ENG/中
老虎證券
行情
交易
收費
下載
優惠與活動
幫助
TigerAI
學堂
期權訓練營
投資學堂
機構
財富及資產管理人
自營交易機構
介紹經紀商
三方服務商
股權激勵
關於
關於我們
媒體報道
獎項與榮譽
登入
立即註冊
Toggle
美股
詳情
本頁面由Tiger Trade Technology Pte. Ltd.提供服務
Westlake Chemical Corp
70.81
-0.8100
-1.13%
盤前：
71.71
0.9005
+1.27%
04:00 EDT
成交量：
53.38萬
成交額：
3,801.48萬
市值：
90.83億
市盈率：
-7.38
高：
72.50
開：
71.94
低：
70.44
收：
71.62
52周最高：
124.23
52周最低：
56.33
股本：
1.28億
流通股本：
3,322.03萬
量比：
0.77
換手率：
1.61%
股息：
2.12
股息率：
2.99%
每股收益(TTM):
-9.5885
每股收益(LYR):
-11.7573
淨資產收益率：
-11.91%
總資產收益率：
0.37%
市淨率：
1.04
市盈率(LYR):
-6.02
資料載入中...
總覽
公司
新聞
公告
2020/07/14
重要事件披露
8-K - Current report
2020/06/12
重要事件披露
8-K - Current report
2020/06/10
重要事件披露
8-K - Current report
2020/06/09
[補充]招股説明書
FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses
2020/06/04
重要事件披露
8-K - Current report
2020/05/18
重要事件披露
8-K - Current report
2020/05/06
季度報告
Quarterly report [Sections 13 or 15(d)]
2020/05/04
重要事件披露
Current report, items 2.02, 7.01, and 9.01
2020/03/20
重要事件披露
Current report, item 8.01
2020/02/19
年度報告
Annual report [Section 13 and 15(d), not S-K Item 405]
2020/02/18
重要事件披露
Current report, items 5.02 and 9.01
2020/02/18
重要事件披露
Current report, items 2.02, 7.01, and 9.01
2020/02/07
超過5%披露
[Amend] Statement of acquisition of beneficial ownership by individuals
2020/01/31
重要事件披露
Current report, item 5.02
2020/01/24
超過5%披露
[Amend] Statement of acquisition of beneficial ownership by individuals
2019/11/18
重要事件披露
Current report, item 8.01
2019/11/12
持股變動聲明
Statement of changes in beneficial ownership of securities
2019/11/06
季度報告
Quarterly report [Sections 13 or 15(d)]
2019/11/05
重要事件披露
Current report, items 2.02, 7.01, and 9.01
2019/10/30
重要事件披露
Current report, item 8.01
更多
{"basename":"/hant","ssrTDKData":{"titleTemplate":"%s - 老虎證券","title":"老虎證券香港 | 輕鬆買賣美股港股A股/美債/ETF/Crypto/期權期貨","description":"老虎證券香港提供多種優惠: 港股&Crypto 0佣、A股一年0佣、美股期權0佣、IPO抽新股0孖展利息0手續費。美股1美金起投，即時串流報價與多種工具，立即開戶享更多優惠！","keywords":"老虎證券,老虎證券開戶,老虎證券香港,老虎證券投資,老虎證券美股,老虎證券登錄,證券開戶,證券公司開戶,股票開戶,香港證券公司,香港證券,證券公司,美股投資平台,小額投資理財,投資app,投資平台,股票買賣,買賣股票平台,炒股app,證券app,新手投資","social":{"ogDescription":"老虎證券香港提供多種優惠: 港股&Crypto 0佣、A股一年0佣、美股期權0佣、IPO抽新股0孖展利息0手續費。美股1美金起投，即時串流報價與多種工具，立即開戶享更多優惠！","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://www.atigrcrest.com/hant/stock/WLK/filings?page=8"},"companyName":"老虎證券"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"HKG","license":"TBHK","edition":"fundamental","symbol":"WLK","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"WLK\",,,,,undefined,":{"symbol":"WLK","market":"US","secType":"STK","nameCN":"Westlake Chemical Corp","latestPrice":70.81,"timestamp":1789156800000,"preClose":71.62,"halted":0,"volume":533798,"hourTrading":{"tag":"盘前","latestPrice":71.7105,"preClose":70.81,"latestTime":"04:00 EDT","volume":1,"amount":71.7105,"timestamp":1789372803761,"change":0.9005,"changeRate":0.012717,"amplitude":0},"delay":0,"changeRate":-0.011309690030717707,"floatShares":33220300,"shares":128273152,"eps":-9.58855,"marketStatus":"盤前交易","change":-0.81,"latestTime":"09-14 07:00:38 EDT","open":71.94,"high":72.5,"low":70.44,"amount":38014819.58052,"amplitude":0.028763,"askPrice":73.08,"askSize":72,"bidPrice":63.11,"bidSize":100,"shortable":3,"etf":0,"ttmEps":-9.58855,"tradingStatus":1,"nextMarketStatus":{"tag":"開盤","tradingStatus":2,"beginTime":1789392600000},"marketStatusCode":1,"adr":0,"adrRate":0,"exchange":"NYSE","adjPreClose":70.81,"dividendRate":0.029939,"preHourTrading":{"tag":"盘前","latestPrice":71.7105,"preClose":70.81,"latestTime":"04:00 EDT","volume":1,"amount":71.7105,"timestamp":1789372803761,"change":0.9005,"changeRate":0.012717,"amplitude":0},"postHourTrading":{"tag":"盘后","latestPrice":70.81,"preClose":70.81,"latestTime":"19:30 EDT","volume":21842,"amount":1546799.5141,"timestamp":1789169407702,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":0.7702417194598373,"impliedVol":0.4123,"impliedVolPercentile":0.108},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"WLK\",,,,,undefined,":{"symbol":"WLK","floatShares":33220300,"roa":"0.37%","roe":"-11.91%","lyrEps":-11.757337,"volumeRatio":0.7702417194598373,"shares":128273152,"dividePrice":2.12,"high":72.5,"amplitude":0.028763,"preClose":71.62,"low":70.44,"week52Low":56.33,"pbRate":"1.04","psRate":"0.80","week52High":124.23,"institutionHeld":0.3107,"latestPrice":70.81,"committee":0.162791,"eps":-9.58855,"divideRate":0.029939,"volume":533798,"delay":0,"ttmEps":-9.58855,"open":71.94,"prevYearClose":73.94,"prevWeekClose":70.81,"prevMonthClose":75.07,"prevQuarterClose":73,"fiveDayClose":74.6,"twentyDayClose":80.19,"sixtyDayClose":84.33,"dividendPayoutRate":0.439895189070171,"dividendFrequency":"Q","dividendGrowthYears":10,"dividendGrowthRate":0.02926829268292686,"fiveYearAvgDividendRate":0.016586222042660234},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/WLK\",params:#limit:5,,,undefined,":[{"date":"2026-08-25","symbol":"WLK","amount":0.533,"announcedDate":"2026-08-14","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-08-25","defaultRemindTime":1787664600000,"name":"Westlake Chemical Corp","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-09-10","payableDate":"2026-08-25","currency":"USD","dateTimestamp":1787630400000,"payDate":"2026-09-10"},{"market":"US","date":"2026-08-04","symbol":"WLK","fiscalQuarterEnding":"2026/06","expectedEps":1.93,"name":null,"time":"盤前","type":"earning","dateTimestamp":1785816000000,"reportTimeType":"pre","actualEps":2.01},{"date":"2026-05-27","symbol":"WLK","amount":0.53,"announcedDate":"2026-05-15","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-05-27","defaultRemindTime":1779888600000,"name":"Westlake Chemical Corp","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-06-11","payableDate":"2026-05-27","currency":"USD","dateTimestamp":1779854400000,"payDate":"2026-06-11"},{"market":"US","date":"2026-05-05","symbol":"WLK","fiscalQuarterEnding":"2026/03","expectedEps":-0.22,"name":null,"time":"盤前","type":"earning","dateTimestamp":1777953600000,"reportTimeType":"pre","actualEps":-0.77},{"date":"2026-03-03","symbol":"WLK","amount":0.53,"announcedDate":"2026-02-20","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-03-03","defaultRemindTime":1772548200000,"name":"Westlake Chemical Corp","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-03-18","payableDate":"2026-03-03","currency":"USD","dateTimestamp":1772514000000,"payDate":"2026-03-18"}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"WLK\",market:\"US\",,,undefined,":[{"executeDate":"2016-11-29","recordDate":"2016-12-01","paymentDate":"2016-12-16","value":0.1906,"currency":"USD"},{"executeDate":"2017-02-24","recordDate":"2017-02-28","paymentDate":"2017-03-14","value":0.1906,"currency":"USD"},{"executeDate":"2017-05-25","recordDate":"2017-05-30","paymentDate":"2017-06-13","value":0.1906,"currency":"USD"},{"executeDate":"2017-08-30","recordDate":"2017-09-01","paymentDate":"2017-09-18","value":0.21,"currency":"USD"},{"executeDate":"2017-11-24","recordDate":"2017-11-27","paymentDate":"2017-12-11","value":0.21,"currency":"USD"}],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"WLK\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.0588,"buy":0.2941,"hold":0.5882,"sell":0.0588,"strongSell":0,"meanLabel":"HOLD","meanPercent":0.5882,"analysts":17,"updateTime":1789012800000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/WLK\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"WLK","date":"2026-09-11","current":-7.38485,"percent":0.179214,"low":-173.419578,"twenty":-6.573638,"median":8.032912,"eighty":28.181957,"high":180.148719,"avg":14.517097,"sd":55.721907,"marketCap":9152788767},"quantilePoints":[{"date":"2021-09-17","current":11.751695,"twenty":9.762705,"median":12.622716,"eighty":23.223377,"marketCap":10976083216},{"date":"2021-09-24","current":12.04806,"twenty":9.784226,"median":12.622716,"eighty":23.223377,"marketCap":11252888116},{"date":"2021-10-01","current":12.864436,"twenty":9.810487,"median":12.653139,"eighty":23.223377,"marketCap":12015383097},{"date":"2021-10-08","current":13.510676,"twenty":9.845615,"median":12.73517,"eighty":23.223377,"marketCap":12618971561},{"date":"2021-10-15","current":13.45991,"twenty":9.865501,"median":12.760884,"eighty":23.223377,"marketCap":12571555907},{"date":"2021-10-22","current":13.860552,"twenty":9.92689,"median":12.830487,"eighty":23.223377,"marketCap":12945755125},{"date":"2021-10-29","current":13.355633,"twenty":9.957937,"median":12.860091,"eighty":23.222902,"marketCap":12474161590},{"date":"2021-11-05","current":8.541849,"twenty":9.961435,"median":12.867147,"eighty":23.222902,"marketCap":12676104169},{"date":"2021-11-12","current":9.001802,"twenty":9.961435,"median":12.867147,"eighty":23.222902,"marketCap":13358673457},{"date":"2021-11-19","current":8.416956,"twenty":9.961435,"median":12.867147,"eighty":23.222902,"marketCap":12490762322},{"date":"2021-11-26","current":8.541849,"twenty":9.946585,"median":12.867147,"eighty":23.222902,"marketCap":12676104169},{"date":"2021-12-03","current":8.097401,"twenty":9.9071,"median":12.867147,"eighty":23.222902,"marketCap":12016542835},{"date":"2021-12-10","current":8.25158,"twenty":9.830189,"median":12.867147,"eighty":23.222902,"marketCap":12245344151},{"date":"2021-12-17","current":7.944083,"twenty":9.769095,"median":12.867147,"eighty":23.222902,"marketCap":11789019739},{"date":"2021-12-23","current":8.119796,"twenty":9.747798,"median":12.867147,"eighty":23.222902,"marketCap":12049776546},{"date":"2021-12-31","current":8.366137,"twenty":9.677228,"median":12.867147,"eighty":23.222902,"marketCap":12415347363},{"date":"2022-01-07","current":8.900164,"twenty":9.645065,"median":12.864436,"eighty":23.218222,"marketCap":13207843540},{"date":"2022-01-14","current":9.237807,"twenty":9.615473,"median":12.860091,"eighty":23.213542,"marketCap":13708905639},{"date":"2022-01-21","current":8.449686,"twenty":9.599632,"median":12.860091,"eighty":23.213542,"marketCap":12539334668},{"date":"2022-01-28","current":8.334268,"twenty":9.561993,"median":12.855745,"eighty":23.208861,"marketCap":12368053236},{"date":"2022-02-04","current":8.746847,"twenty":9.514113,"median":12.855745,"eighty":23.208861,"marketCap":12980320444},{"date":"2022-02-11","current":8.907055,"twenty":9.452288,"median":12.855745,"eighty":23.208861,"marketCap":13218069297},{"date":"2022-02-18","current":9.255034,"twenty":9.416612,"median":12.855745,"eighty":23.208861,"marketCap":13734470031},{"date":"2022-02-25","current":6.986436,"twenty":9.383433,"median":12.855745,"eighty":23.208861,"marketCap":14077668412},{"date":"2022-03-04","current":7.106421,"twenty":9.345684,"median":12.847496,"eighty":23.204181,"marketCap":14319438456},{"date":"2022-03-11","current":7.57176,"twenty":9.251589,"median":12.847496,"eighty":23.204181,"marketCap":15257096879},{"date":"2022-03-18","current":7.867597,"twenty":9.125625,"median":12.847496,"eighty":23.204181,"marketCap":15853207145},{"date":"2022-03-25","current":8.07519,"twenty":9.068124,"median":12.847496,"eighty":23.204181,"marketCap":16271507697},{"date":"2022-04-01","current":7.861295,"twenty":9.002148,"median":12.847496,"eighty":23.204181,"marketCap":15840510014},{"date":"2022-04-08","current":7.306859,"twenty":8.949605,"median":12.847496,"eighty":23.204181,"marketCap":14723321019},{"date":"2022-04-14","current":7.789447,"twenty":8.907868,"median":12.847496,"eighty":23.204181,"marketCap":15695736670},{"date":"2022-04-22","current":8.10863,"twenty":8.889607,"median":12.847496,"eighty":23.204181,"marketCap":16338889050},{"date":"2022-04-29","current":8.046319,"twenty":8.82006,"median":12.847496,"eighty":23.204181,"marketCap":16213333406},{"date":"2022-05-06","current":6.972097,"twenty":8.763212,"median":12.83622,"eighty":23.204181,"marketCap":17632432080},{"date":"2022-05-13","current":6.624507,"twenty":8.754336,"median":12.83622,"eighty":23.204181,"marketCap":16753377060},{"date":"2022-05-20","current":6.404282,"twenty":8.742368,"median":12.812438,"eighty":23.204181,"marketCap":16196428332},{"date":"2022-05-27","current":6.698084,"twenty":8.694169,"median":12.735378,"eighty":23.204181,"marketCap":16939454400},{"date":"2022-06-03","current":6.63364,"twenty":8.614534,"median":12.660051,"eighty":23.204181,"marketCap":16776476316},{"date":"2022-06-10","current":6.223636,"twenty":8.54874,"median":12.599001,"eighty":23.204181,"marketCap":15739576380},{"date":"2022-06-17","current":5.042338,"twenty":8.510152,"median":12.496922,"eighty":23.204181,"marketCap":12752072604},{"date":"2022-06-24","current":5.054009,"twenty":8.443829,"median":12.435056,"eighty":23.208861,"marketCap":12781588320},{"date":"2022-07-01","current":5.016459,"twenty":8.372924,"median":12.363521,"eighty":23.208861,"marketCap":12686624712},{"date":"2022-07-08","current":4.923092,"twenty":8.354423,"median":12.327889,"eighty":23.208861,"marketCap":12450498984},{"date":"2022-07-15","current":4.669884,"twenty":8.290602,"median":12.136038,"eighty":23.208861,"marketCap":11810136276},{"date":"2022-07-22","current":4.65872,"twenty":8.242804,"median":12.08242,"eighty":23.208861,"marketCap":11781903852},{"date":"2022-07-29","current":4.93933,"twenty":8.196998,"median":12.037052,"eighty":23.208861,"marketCap":12491564328},{"date":"2022-08-05","current":4.214904,"twenty":8.120644,"median":11.923203,"eighty":23.208861,"marketCap":12075700991},{"date":"2022-08-12","current":4.629829,"twenty":8.074832,"median":11.891645,"eighty":23.208861,"marketCap":13264460790},{"date":"2022-08-19","current":4.674046,"twenty":8.051826,"median":11.823042,"eighty":23.208861,"marketCap":13391142405},{"date":"2022-08-26","current":4.777666,"twenty":8.019444,"median":11.773091,"eighty":23.208861,"marketCap":13688012452},{"date":"2022-09-02","current":4.276987,"twenty":7.982606,"median":11.720032,"eighty":23.208861,"marketCap":12253567097},{"date":"2022-09-09","current":4.476186,"twenty":7.954288,"median":11.672595,"eighty":23.208861,"marketCap":12824274169},{"date":"2022-09-16","current":4.057688,"twenty":7.935023,"median":11.636442,"eighty":23.208861,"marketCap":11625277472},{"date":"2022-09-23","current":3.704846,"twenty":7.865076,"median":11.568933,"eighty":23.208861,"marketCap":10614383779},{"date":"2022-09-30","current":3.880374,"twenty":7.821761,"median":11.537044,"eighty":23.208861,"marketCap":11117271401},{"date":"2022-10-07","current":3.968361,"twenty":7.75816,"median":11.499902,"eighty":23.208861,"marketCap":11369355018},{"date":"2022-10-14","current":4.132277,"twenty":7.670678,"median":11.44847,"eighty":23.208861,"marketCap":11838972722},{"date":"2022-10-21","current":4.200612,"twenty":7.566736,"median":11.401647,"eighty":23.208861,"marketCap":12034753399},{"date":"2022-10-28","current":4.3815,"twenty":7.402024,"median":11.35439,"eighty":23.208861,"marketCap":12552996368},{"date":"2022-11-04","current":4.796927,"twenty":7.227423,"median":11.332871,"eighty":23.208861,"marketCap":12755028475},{"date":"2022-11-11","current":5.437732,"twenty":7.121558,"median":11.283823,"eighty":23.021242,"marketCap":14458929889},{"date":"2022-11-18","current":5.00893,"twenty":7.074425,"median":11.250789,"eighty":22.878249,"marketCap":13318744362},{"date":"2022-11-25","current":5.10342,"twenty":7.058498,"median":11.23584,"eighty":22.676134,"marketCap":13569993298},{"date":"2022-12-02","current":5.21086,"twenty":6.99634,"median":11.215116,"eighty":22.241994,"marketCap":13855677367},{"date":"2022-12-09","current":5.115891,"twenty":6.907914,"median":11.125524,"eighty":22.053159,"marketCap":13603153056},{"date":"2022-12-16","current":4.957128,"twenty":6.857893,"median":11.087908,"eighty":21.832737,"marketCap":13181003828},{"date":"2022-12-23","current":5.041066,"twenty":6.782929,"median":11.048137,"eighty":21.035176,"marketCap":13404194508},{"date":"2022-12-30","current":4.918277,"twenty":6.747069,"median":11.025496,"eighty":20.521149,"marketCap":13077698428},{"date":"2023-01-06","current":5.199349,"twenty":6.7021,"median":10.979841,"eighty":20.381019,"marketCap":13825068360},{"date":"2023-01-13","current":5.486656,"twenty":6.646845,"median":10.886778,"eighty":20.301412,"marketCap":14589018171},{"date":"2023-01-20","current":5.463633,"twenty":6.624368,"median":10.859914,"eighty":20.075221,"marketCap":14527800156},{"date":"2023-01-27","current":5.788832,"twenty":6.582086,"median":10.817089,"eighty":19.989632,"marketCap":15392504616},{"date":"2023-02-03","current":5.992681,"twenty":6.469623,"median":10.768034,"eighty":19.780556,"marketCap":15934539123},{"date":"2023-02-10","current":5.888119,"twenty":6.368493,"median":10.743057,"eighty":19.622746,"marketCap":15656507305},{"date":"2023-02-17","current":5.876127,"twenty":6.20604,"median":10.72815,"eighty":19.394339,"marketCap":15624622922},{"date":"2023-02-24","current":6.879393,"twenty":6.20604,"median":10.690036,"eighty":19.394339,"marketCap":15457995242},{"date":"2023-03-03","current":7.060772,"twenty":6.20604,"median":10.650343,"eighty":19.394339,"marketCap":15865555469},{"date":"2023-03-10","current":6.259301,"twenty":6.20604,"median":10.608382,"eighty":19.394339,"marketCap":14064648715},{"date":"2023-03-17","current":5.924882,"twenty":6.131338,"median":10.547732,"eighty":19.394339,"marketCap":13313209546},{"date":"2023-03-24","current":6.17767,"twenty":6.098918,"median":10.49511,"eighty":19.394339,"marketCap":13881224334},{"date":"2023-03-31","current":6.592015,"twenty":6.099432,"median":10.452921,"eighty":19.385212,"marketCap":14812258701},{"date":"2023-04-06","current":6.513011,"twenty":6.099432,"median":10.410935,"eighty":19.385212,"marketCap":14634736373},{"date":"2023-04-14","current":6.759118,"twenty":6.098918,"median":10.381837,"eighty":19.394339,"marketCap":15187737582},{"date":"2023-04-21","current":6.580648,"twenty":6.098918,"median":10.322079,"eighty":19.394339,"marketCap":14786715920},{"date":"2023-04-28","current":6.325447,"twenty":6.098918,"median":10.254515,"eighty":19.394339,"marketCap":14213280487},{"date":"2023-05-05","current":7.914874,"twenty":6.098918,"median":10.237059,"eighty":19.394339,"marketCap":14919538382},{"date":"2023-05-12","current":7.678768,"twenty":6.098918,"median":10.213266,"eighty":19.394339,"marketCap":14474478060},{"date":"2023-05-19","current":7.931341,"twenty":6.098918,"median":10.048791,"eighty":19.394339,"marketCap":14950578617},{"date":"2023-05-26","current":7.558914,"twenty":6.098918,"median":10.015262,"eighty":19.394339,"marketCap":14248553667},{"date":"2023-06-02","current":7.12893,"twenty":6.098918,"median":9.964728,"eighty":19.394339,"marketCap":13438033952},{"date":"2023-06-07","current":7.63814,"twenty":6.098918,"median":9.95372,"eighty":19.394339,"marketCap":14397893520},{"date":"2023-06-16","current":7.833156,"twenty":6.097891,"median":9.903807,"eighty":19.412592,"marketCap":14765499312},{"date":"2023-06-23","current":7.469532,"twenty":6.097378,"median":9.905454,"eighty":19.421719,"marketCap":14080067679},{"date":"2023-06-30","current":8.048487,"twenty":6.095476,"median":9.9071,"eighty":19.42945,"marketCap":15171397374},{"date":"2023-07-07","current":7.884619,"twenty":6.095476,"median":9.9071,"eighty":19.42945,"marketCap":14862506396},{"date":"2023-07-14","current":8.768287,"twenty":6.095476,"median":9.865937,"eighty":19.42945,"marketCap":16528220141},{"date":"2023-07-21","current":8.692447,"twenty":6.095476,"median":9.865937,"eighty":19.42945,"marketCap":16385262333},{"date":"2023-07-28","current":9.128525,"twenty":6.095476,"median":9.865937,"eighty":19.42945,"marketCap":17207269729},{"date":"2023-08-04","current":12.781267,"twenty":6.095476,"median":9.9071,"eighty":19.42945,"marketCap":16922397338},{"date":"2023-08-11","current":12.745584,"twenty":6.095476,"median":9.964728,"eighty":19.42945,"marketCap":16875153039},{"date":"2023-08-18","current":12.636606,"twenty":6.095476,"median":10.042115,"eighty":19.42945,"marketCap":16730866394},{"date":"2023-08-25","current":12.509305,"twenty":6.095476,"median":10.195241,"eighty":19.42945,"marketCap":16562319164},{"date":"2023-09-01","current":12.631784,"twenty":6.095476,"median":10.249576,"eighty":19.42945,"marketCap":16724482030},{"date":"2023-09-08","current":12.025173,"twenty":6.095476,"median":10.308017,"eighty":19.42945,"marketCap":15921328938},{"date":"2023-09-15","current":12.318352,"twenty":6.095476,"median":10.38459,"eighty":19.42945,"marketCap":16309498318},{"date":"2023-09-22","current":11.6722,"twenty":6.095476,"median":10.450451,"eighty":19.42945,"marketCap":15453993434},{"date":"2023-09-29","current":12.055069,"twenty":6.095476,"median":10.592052,"eighty":19.42945,"marketCap":15960912000},{"date":"2023-10-06","current":11.877619,"twenty":6.089769,"median":10.666968,"eighty":19.452645,"marketCap":15725967375},{"date":"2023-10-13","current":11.755139,"twenty":6.089769,"median":10.804348,"eighty":19.452645,"marketCap":15563804509},{"date":"2023-10-20","current":11.379021,"twenty":6.087867,"median":10.94276,"eighty":19.460376,"marketCap":15065824055},{"date":"2023-10-27","current":11.180354,"twenty":6.115554,"median":11.048281,"eighty":19.527546,"marketCap":14802788225},{"date":"2023-11-03","current":12.834231,"twenty":6.181308,"median":11.098594,"eighty":19.549936,"marketCap":15503751520},{"date":"2023-11-10","current":12.618895,"twenty":6.245377,"median":11.125524,"eighty":19.549936,"marketCap":15243625761},{"date":"2023-11-17","current":13.59268,"twenty":6.337042,"median":11.217964,"eighty":19.549936,"marketCap":16419958011},{"date":"2023-11-24","current":13.728459,"twenty":6.414578,"median":11.23584,"eighty":19.549936,"marketCap":16583978194},{"date":"2023-12-01","current":13.6192,"twenty":6.455238,"median":11.258892,"eighty":19.549936,"marketCap":16451993203},{"date":"2023-12-08","current":13.741188,"twenty":6.469247,"median":11.321692,"eighty":19.527546,"marketCap":16599355086},{"date":"2023-12-15","current":14.826354,"twenty":6.535808,"median":11.353566,"eighty":19.527546,"marketCap":17910235143},{"date":"2023-12-22","current":14.935613,"twenty":6.588605,"median":11.411447,"eighty":19.527546,"marketCap":18042220134},{"date":"2023-12-29","current":14.943038,"twenty":6.620041,"median":11.44847,"eighty":19.549936,"marketCap":18051189988},{"date":"2024-01-05","current":14.510245,"twenty":6.664571,"median":11.493747,"eighty":19.572326,"marketCap":17528375654},{"date":"2024-01-12","current":14.32461,"twenty":6.698084,"median":11.543146,"eighty":19.572326,"marketCap":17304129310},{"date":"2024-01-19","current":14.455085,"twenty":6.722342,"median":11.614489,"eighty":19.572326,"marketCap":17461742455},{"date":"2024-01-26","current":14.678907,"twenty":6.750857,"median":11.644657,"eighty":19.572326,"marketCap":17732119475},{"date":"2024-02-02","current":14.832718,"twenty":6.766596,"median":11.675093,"eighty":19.572326,"marketCap":17917923589},{"date":"2024-02-09","current":15.147766,"twenty":6.838582,"median":11.753417,"eighty":19.572326,"marketCap":18298501670},{"date":"2024-02-16","current":15.301578,"twenty":6.898097,"median":11.797659,"eighty":19.572326,"marketCap":18484305784},{"date":"2024-02-23","current":37.629717,"twenty":6.898097,"median":11.831074,"eighty":19.677096,"marketCap":18024634380},{"date":"2024-03-01","current":37.129165,"twenty":6.901632,"median":11.869904,"eighty":19.869611,"marketCap":17784870072},{"date":"2024-03-08","current":38.17042,"twenty":6.901632,"median":11.909482,"eighty":20.025456,"marketCap":18283631118},{"date":"2024-03-15","current":38.146329,"twenty":6.901632,"median":11.948985,"eighty":20.113855,"marketCap":18272091659},{"date":"2024-03-22","current":40.258283,"twenty":6.901632,"median":11.984945,"eighty":20.327979,"marketCap":19283717532},{"date":"2024-03-28","current":40.780249,"twenty":6.901632,"median":12.035712,"eighty":20.428165,"marketCap":19533739136},{"date":"2024-04-05","current":42.159238,"twenty":6.898097,"median":12.05225,"eighty":20.947431,"marketCap":20194274796},{"date":"2024-04-12","current":41.721923,"twenty":6.898097,"median":12.084483,"eighty":21.612065,"marketCap":19984801282},{"date":"2024-04-19","current":39.959252,"twenty":6.898097,"median":12.129308,"eighty":22.057337,"marketCap":19140481660},{"date":"2024-04-26","current":39.806326,"twenty":6.901632,"median":12.260488,"eighty":22.251816,"marketCap":19067230186},{"date":"2024-05-03","current":74.184298,"twenty":6.901632,"median":12.30612,"eighty":22.806442,"marketCap":19213733134},{"date":"2024-05-10","current":78.090122,"twenty":6.901632,"median":12.340195,"eighty":23.154802,"marketCap":20225341666},{"date":"2024-05-17","current":76.973202,"twenty":6.901632,"median":12.416497,"eighty":23.6786,"marketCap":19936059238},{"date":"2024-05-24","current":77.787313,"twenty":6.901632,"median":12.474238,"eighty":24.87093,"marketCap":20146913985},{"date":"2024-05-31","current":79.16733,"twenty":6.901632,"median":12.509305,"eighty":25.010766,"marketCap":20504338496},{"date":"2024-06-07","current":76.586003,"twenty":6.901632,"median":12.550539,"eighty":26.107845,"marketCap":19835774663},{"date":"2024-06-14","current":76.059809,"twenty":6.898097,"median":12.620805,"eighty":26.841832,"marketCap":19699490496},{"date":"2024-06-21","current":74.515976,"twenty":6.896417,"median":12.636606,"eighty":27.080693,"marketCap":19299637896},{"date":"2024-06-28","current":72.475735,"twenty":6.891379,"median":12.653394,"eighty":27.369966,"marketCap":18771215328},{"date":"2024-07-05","current":71.537522,"twenty":6.891379,"median":12.697138,"eighty":27.832684,"marketCap":18528218088},{"date":"2024-07-12","current":72.535304,"twenty":6.891379,"median":12.743954,"eighty":29.604335,"marketCap":18786643724},{"date":"2024-07-15","current":72.798401,"twenty":6.891379,"median":12.746548,"eighty":29.744771,"marketCap":18854785807},{"date":"2024-08-02","current":71.453132,"twenty":6.85421,"median":12.797662,"eighty":29.980631,"marketCap":18506361193},{"date":"2024-08-09","current":68.647012,"twenty":6.85421,"median":12.828936,"eighty":30.272305,"marketCap":18877928401},{"date":"2024-08-16","current":68.776953,"twenty":6.85421,"median":12.844918,"eighty":30.708616,"marketCap":18913662081},{"date":"2024-08-23","current":67.603317,"twenty":6.85421,"median":12.890802,"eighty":30.916848,"marketCap":18590912120},{"date":"2024-08-30","current":67.81373,"twenty":6.85421,"median":12.928821,"eighty":31.270359,"marketCap":18648775659},{"date":"2024-09-06","current":63.797182,"twenty":6.85421,"median":12.990164,"eighty":31.556032,"marketCap":17544224994},{"date":"2024-09-13","current":64.199304,"twenty":6.85421,"median":13.002161,"eighty":32.543837,"marketCap":17654808646},{"date":"2024-09-20","current":68.267286,"twenty":6.85421,"median":13.002161,"eighty":33.048303,"marketCap":18773503732},{"date":"2024-09-27","current":70.156326,"twenty":6.85421,"median":13.004223,"eighty":33.157072,"marketCap":19292989725},{"date":"2024-10-04","current":68.529133,"twenty":6.85421,"median":13.116396,"eighty":33.512766,"marketCap":18845511691},{"date":"2024-10-11","current":67.14976,"twenty":6.85421,"median":13.23762,"eighty":33.766092,"marketCap":18466184047},{"date":"2024-10-18","current":65.545947,"twenty":6.85421,"median":13.355633,"eighty":34.12485,"marketCap":18025135295},{"date":"2024-10-25","current":63.025668,"twenty":6.85421,"median":13.45991,"eighty":34.393277,"marketCap":17332058685},{"date":"2024-10-31","current":62.310264,"twenty":6.85421,"median":13.481863,"eighty":34.722166,"marketCap":17135322652},{"date":"2024-11-08","current":179.071793,"twenty":6.850324,"median":13.486665,"eighty":34.999219,"marketCap":17549035693},{"date":"2024-11-15","current":166.385078,"twenty":6.850324,"median":13.486665,"eighty":35.295972,"marketCap":16305737675},{"date":"2024-11-22","current":169.62899,"twenty":6.850324,"median":13.486665,"eighty":35.485202,"marketCap":16623640998},{"date":"2024-11-29","current":168.630863,"twenty":6.850324,"median":13.486665,"eighty":35.53921,"marketCap":16525824591},{"date":"2024-12-06","current":162.248106,"twenty":6.850324,"median":13.486665,"eighty":35.850458,"marketCap":15900314408},{"date":"2024-12-13","current":157.743403,"twenty":6.850324,"median":13.486665,"eighty":35.980073,"marketCap":15458853517},{"date":"2024-12-20","current":148.812797,"twenty":6.850324,"median":13.486665,"eighty":36.062529,"marketCap":14583654084},{"date":"2024-12-27","current":151.281847,"twenty":6.850324,"median":13.486665,"eighty":36.105018,"marketCap":14825620986},{"date":"2025-01-03","current":147.263074,"twenty":6.850324,"median":13.486665,"eighty":36.30343,"marketCap":14431781241},{"date":"2025-01-10","current":145.174888,"twenty":6.846437,"median":13.481863,"eighty":36.383918,"marketCap":14227139021},{"date":"2025-01-17","current":154.578291,"twenty":6.846437,"median":13.481863,"eighty":36.546962,"marketCap":15148672542},{"date":"2025-01-24","current":155.313753,"twenty":6.846437,"median":13.481863,"eighty":36.652602,"marketCap":15220747789},{"date":"2025-01-31","current":152.135508,"twenty":6.846437,"median":13.481863,"eighty":36.847517,"marketCap":14909279756},{"date":"2025-02-07","current":148.353133,"twenty":6.846437,"median":13.481863,"eighty":37.151718,"marketCap":14538607055},{"date":"2025-02-14","current":147.85407,"twenty":6.846437,"median":13.481863,"eighty":37.224677,"marketCap":14489698851},{"date":"2025-02-21","current":146.304347,"twenty":6.846437,"median":13.481863,"eighty":37.491597,"marketCap":14337826008},{"date":"2025-02-28","current":23.522234,"twenty":6.846437,"median":13.481863,"eighty":37.582804,"marketCap":14160384678},{"date":"2025-03-07","current":23.590396,"twenty":6.84255,"median":13.478627,"eighty":37.603866,"marketCap":14201418121},{"date":"2025-03-14","current":22.518976,"twenty":6.84255,"median":13.560821,"eighty":37.603866,"marketCap":13556423691},{"date":"2025-03-21","current":21.57323,"twenty":6.84255,"median":13.609783,"eighty":37.603866,"marketCap":12987084671},{"date":"2025-03-28","current":21.92256,"twenty":6.84255,"median":13.652939,"eighty":37.603866,"marketCap":13197381066},{"date":"2025-04-04","current":20.073669,"twenty":6.84255,"median":13.700791,"eighty":37.603866,"marketCap":12084348928},{"date":"2025-04-11","current":18.527247,"twenty":6.846437,"median":13.728459,"eighty":37.582804,"marketCap":11153402692},{"date":"2025-04-17","current":19.27762,"twenty":6.846437,"median":13.749674,"eighty":37.582804,"marketCap":11605127021},{"date":"2025-04-25","current":20.223145,"twenty":6.84255,"median":13.798483,"eighty":37.603866,"marketCap":12174333318},{"date":"2025-05-02","current":19.693822,"twenty":6.84255,"median":13.885029,"eighty":37.603866,"marketCap":11855680583},{"date":"2025-05-09","current":26.586253,"twenty":6.84255,"median":13.990991,"eighty":37.603866,"marketCap":10315466007},{"date":"2025-05-16","current":27.356342,"twenty":6.84255,"median":14.056864,"eighty":37.603866,"marketCap":10614260584},{"date":"2025-05-23","current":23.909119,"twenty":6.84255,"median":14.119843,"eighty":37.603866,"marketCap":9276738077},{"date":"2025-05-30","current":23.641405,"twenty":6.84255,"median":14.173196,"eighty":37.603866,"marketCap":9172865284},{"date":"2025-06-06","current":23.79344,"twenty":6.84255,"median":14.221008,"eighty":37.603866,"marketCap":9231854771},{"date":"2025-06-13","current":25.984724,"twenty":6.84255,"median":14.257191,"eighty":37.603866,"marketCap":10082072817},{"date":"2025-06-20","current":23.525727,"twenty":6.841756,"median":14.312757,"eighty":37.609036,"marketCap":9127981978},{"date":"2025-06-27","current":25.151838,"twenty":6.841756,"median":14.398044,"eighty":37.609036,"marketCap":9758913017},{"date":"2025-07-03","current":26.807695,"twenty":6.841756,"median":14.494333,"eighty":37.609036,"marketCap":10401385477},{"date":"2025-07-11","current":28.582535,"twenty":6.841756,"median":14.662995,"eighty":37.609036,"marketCap":11090023623},{"date":"2025-07-18","current":27.574479,"twenty":6.841756,"median":14.695879,"eighty":37.609036,"marketCap":10698897674},{"date":"2025-07-25","current":27.171256,"twenty":6.841756,"median":14.823171,"eighty":37.609036,"marketCap":10542447295},{"date":"2025-08-01","current":26.209471,"twenty":6.841756,"median":14.89,"eighty":37.609036,"marketCap":10169274668},{"date":"2025-08-08","current":-157.092105,"twenty":6.795783,"median":14.89,"eighty":37.609036,"marketCap":10525171050},{"date":"2025-08-15","current":-163.734113,"twenty":6.758322,"median":14.822111,"eighty":37.609036,"marketCap":10970185593},{"date":"2025-08-22","current":-158.374568,"twenty":6.726089,"median":14.675725,"eighty":37.609036,"marketCap":10611096048},{"date":"2025-08-29","current":-165.399401,"twenty":6.711652,"median":14.510245,"eighty":37.609036,"marketCap":11081759845},{"date":"2025-09-05","current":-167.753772,"twenty":6.687392,"median":14.326201,"eighty":37.614206,"marketCap":11239502752},{"date":"2025-09-12","current":-171.467172,"twenty":6.631813,"median":14.113011,"eighty":37.609036,"marketCap":11488300508},{"date":"2025-09-19","current":-162.623922,"twenty":6.590878,"median":13.962084,"eighty":37.609036,"marketCap":10895802759},{"date":"2025-09-26","current":-145.473376,"twenty":6.553669,"median":13.788923,"eighty":37.609036,"marketCap":9746716216},{"date":"2025-10-03","current":-152.881034,"twenty":6.47152,"median":13.739066,"eighty":37.609036,"marketCap":10243029265},{"date":"2025-10-10","current":-154.508039,"twenty":6.452364,"median":13.698757,"eighty":37.609036,"marketCap":10352038591},{"date":"2025-10-17","current":-145.569083,"twenty":6.411588,"median":13.629807,"eighty":37.609036,"marketCap":9753128529},{"date":"2025-10-24","current":-150.813781,"twenty":6.298671,"median":13.515244,"eighty":37.609036,"marketCap":10104523298},{"date":"2025-10-31","current":-9.15145,"twenty":6.220226,"median":13.45991,"eighty":37.609036,"marketCap":8757937505},{"date":"2025-11-07","current":-8.640008,"twenty":6.106509,"median":13.14708,"eighty":37.609036,"marketCap":8268487377},{"date":"2025-11-14","current":-8.700324,"twenty":5.994216,"median":12.933643,"eighty":37.609036,"marketCap":8326210296},{"date":"2025-11-21","current":-7.556991,"twenty":5.942222,"median":12.864436,"eighty":37.609036,"marketCap":7232040309},{"date":"2025-11-28","current":-8.674857,"twenty":5.891956,"median":12.804413,"eighty":37.609036,"marketCap":8301838397},{"date":"2025-12-05","current":-9.110477,"twenty":5.823227,"median":12.747513,"eighty":37.609036,"marketCap":8718726141},{"date":"2025-12-12","current":-10.042032,"twenty":5.610788,"median":12.653139,"eighty":37.609036,"marketCap":9610224547},{"date":"2025-12-19","current":-10.023267,"twenty":5.471691,"median":12.631784,"eighty":37.609036,"marketCap":9592266306},{"date":"2025-12-26","current":-9.875826,"twenty":5.379311,"median":12.544988,"eighty":37.609036,"marketCap":9451165839},{"date":"2026-01-02","current":-9.910676,"twenty":5.311586,"median":12.504956,"eighty":37.609036,"marketCap":9484516858},{"date":"2026-01-09","current":-10.659941,"twenty":5.208558,"median":12.27399,"eighty":37.325707,"marketCap":10201563778},{"date":"2026-01-16","current":-11.835443,"twenty":5.160593,"median":12.096082,"eighty":37.158491,"marketCap":11326519321},{"date":"2026-01-23","current":-11.627686,"twenty":5.11966,"median":12.065678,"eighty":36.907662,"marketCap":11127695936},{"date":"2026-01-30","current":-10.932036,"twenty":5.100542,"median":12.035712,"eighty":36.907662,"marketCap":10461958277},{"date":"2026-02-06","current":-12.354166,"twenty":5.051708,"median":11.978881,"eighty":36.859253,"marketCap":11822936419},{"date":"2026-02-13","current":-13.233446,"twenty":5.022548,"median":11.943198,"eighty":36.62658,"marketCap":12664408296},{"date":"2026-02-20","current":-12.741532,"twenty":5.007203,"median":11.902622,"eighty":36.456919,"marketCap":12193645829},{"date":"2026-02-27","current":-8.535098,"twenty":4.959046,"median":11.823042,"eighty":36.398678,"marketCap":12870928071},{"date":"2026-03-06","current":-8.949483,"twenty":4.94129,"median":11.751695,"eighty":36.398678,"marketCap":13495819762},{"date":"2026-03-13","current":-9.688275,"twenty":4.9174,"median":11.655651,"eighty":36.323608,"marketCap":14609918806},{"date":"2026-03-20","current":-9.43466,"twenty":4.881914,"median":11.614489,"eighty":36.323608,"marketCap":14227466895},{"date":"2026-03-27","current":-9.623811,"twenty":4.810848,"median":11.44847,"eighty":36.323608,"marketCap":14512706949},{"date":"2026-04-02","current":-9.888453,"twenty":4.796788,"median":11.283823,"eighty":36.323608,"marketCap":14911787204},{"date":"2026-04-10","current":-9.955349,"twenty":4.766945,"median":11.145635,"eighty":36.323608,"marketCap":15012665862},{"date":"2026-04-17","current":-10.107384,"twenty":4.723467,"median":11.040515,"eighty":35.635661,"marketCap":15241935310},{"date":"2026-04-24","current":-9.534066,"twenty":4.675832,"median":9.263953,"eighty":31.515222,"marketCap":14377371752},{"date":"2026-05-01","current":-9.791422,"twenty":4.639546,"median":9.128418,"eighty":31.07771,"marketCap":14765464727},{"date":"2026-05-08","current":-7.619285,"twenty":4.574982,"median":8.921697,"eighty":30.821445,"marketCap":12472770256},{"date":"2026-05-15","current":-7.163771,"twenty":4.435777,"median":8.900164,"eighty":30.741025,"marketCap":11727093064},{"date":"2026-05-22","current":-6.895315,"twenty":4.373818,"median":8.794695,"eighty":30.289109,"marketCap":11287631366},{"date":"2026-05-29","current":-6.861661,"twenty":4.318077,"median":8.76192,"eighty":30.01784,"marketCap":11232538500},{"date":"2026-06-05","current":-6.672255,"twenty":4.276272,"median":8.752015,"eighty":28.650621,"marketCap":10922480976},{"date":"2026-06-12","current":-6.830354,"twenty":4.212046,"median":8.741679,"eighty":28.312839,"marketCap":11181289322},{"date":"2026-06-18","current":-6.533722,"twenty":4.184444,"median":8.692447,"eighty":28.198614,"marketCap":10695703365},{"date":"2026-06-26","current":-5.99055,"twenty":4.116108,"median":8.610756,"eighty":28.166753,"marketCap":9806530133},{"date":"2026-07-02","current":-5.699397,"twenty":4.051435,"median":8.546156,"eighty":28.166753,"marketCap":9329912782},{"date":"2026-07-10","current":-5.82932,"twenty":3.987031,"median":8.505242,"eighty":28.166753,"marketCap":9542596869},{"date":"2026-07-17","current":-6.032814,"twenty":3.874657,"median":8.442365,"eighty":28.166753,"marketCap":9875716523},{"date":"2026-07-24","current":-5.88802,"twenty":3.703774,"median":8.376473,"eighty":28.166753,"marketCap":9638689077},{"date":"2026-07-31","current":-5.613303,"twenty":-5.651967,"median":8.347188,"eighty":28.181957,"marketCap":9188977543},{"date":"2026-08-07","current":-8.016517,"twenty":-5.70785,"median":8.278394,"eighty":28.181957,"marketCap":9900398573},{"date":"2026-08-14","current":-8.29798,"twenty":-5.874558,"median":8.226575,"eighty":28.181957,"marketCap":10248005184},{"date":"2026-08-21","current":-8.159318,"twenty":-5.960808,"median":8.160767,"eighty":28.181957,"marketCap":10076757809},{"date":"2026-08-28","current":-7.650201,"twenty":-6.01043,"median":8.10863,"eighty":28.181957,"marketCap":9447998793},{"date":"2026-09-04","current":-7.719532,"twenty":-6.058642,"median":8.052678,"eighty":28.181957,"marketCap":9533622480},{"date":"2026-09-11","current":-7.411165,"twenty":-6.573638,"median":8.032912,"eighty":28.181957,"marketCap":9152788767}],"updateTime":1789359554606},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"WLK\",pageSize:20,pageCount:8,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"10161542","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520192643-WLK","pdf_url":null,"pub_time":1594656000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"WLK","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520192643/0001193125-20-192643-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520192643/d945159dex991.htm","primary":true,"translateUrl":null,"linkName":"d945159dex991.htm","type":"EX-99.1","id":"NTFILEAfp5FhogpB5uZ1Yo","market":"us","size":3270},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520192643/d945159d8k.htm","primary":false,"translateUrl":null,"linkName":"d945159d8k.htm","type":"8-K","id":"NTFILE2c11YAfG1jva69ZB","market":"us","size":28255},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520192643/wlk-20200714.xsd","primary":false,"translateUrl":null,"linkName":"wlk-20200714.xsd","type":"EX-101.SCH","id":"NTFILEGffqYP56zGy2h2wA","market":"us","size":4119},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520192643/wlk-20200714_def.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200714_def.xml","type":"EX-101.DEF","id":"NTFILE6evEXvpRmkRGe34A","market":"us","size":13797},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520192643/wlk-20200714_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200714_lab.xml","type":"EX-101.LAB","id":"NTFILECZE2XW4TAWs6ikHu","market":"us","size":22749},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520192643/wlk-20200714_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200714_pre.xml","type":"EX-101.PRE","id":"NTFILE6zaxwregE4DanWSj","market":"us","size":14765},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520192643/d945159d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d945159d8k_htm.xml","type":"XML","id":"NTFILE4wSRPA6Vy99jmmvY","market":"us","size":5258}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-07-14 00:00","pubTimestamp":1594656000,"title_zh":"8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"項目8.01:其他活動； 項目9.01:財務報表和報表","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9865310","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520167137-WLK","pdf_url":null,"pub_time":1591891200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"WLK","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520167137/0001193125-20-167137-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-4.2","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520167137/d943281dex42.htm","primary":true,"translateUrl":null,"linkName":"d943281dex42.htm","type":"EX-4.2","id":"NTFILE9bHSL2CdgSf1BAY8","market":"us","size":164567},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520167137/d943281d8k.htm","primary":false,"translateUrl":null,"linkName":"d943281d8k.htm","type":"8-K","id":"NTFILEDqrkfpiUSaP8PCMe","market":"us","size":40017},{"description":"EX-5.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520167137/d943281dex51.htm","primary":false,"translateUrl":null,"linkName":"d943281dex51.htm","type":"EX-5.1","id":"NTFILE8zWpTQ14AxM25rzY","market":"us","size":11958},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520167137/wlk-20200612.xsd","primary":false,"translateUrl":null,"linkName":"wlk-20200612.xsd","type":"EX-101.SCH","id":"NTFILE2fviRHHBDdRyecCF","market":"us","size":4118},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520167137/wlk-20200612_def.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200612_def.xml","type":"EX-101.DEF","id":"NTFILE4NMHRwzH46SyNLjx","market":"us","size":13796},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520167137/wlk-20200612_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200612_lab.xml","type":"EX-101.LAB","id":"NTFILE8U9UKyxQvYxpynoo","market":"us","size":22748},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520167137/wlk-20200612_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200612_pre.xml","type":"EX-101.PRE","id":"NTFILE77VDVTGMVe4TWLz7","market":"us","size":14764},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520167137/g943281g23z19.jpg","primary":false,"translateUrl":null,"linkName":"g943281g23z19.jpg","type":"GRAPHIC","id":"NTFILEDo5tJk2fTyNyu61Q","market":"us","size":1605},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520167137/g943281g69h68.jpg","primary":false,"translateUrl":null,"linkName":"g943281g69h68.jpg","type":"GRAPHIC","id":"NTFILEEi7fPQMAwfRtwRGU","market":"us","size":3118},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520167137/d943281d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d943281d8k_htm.xml","type":"XML","id":"NTFILE55V6xdbC7RA754e9","market":"us","size":5258}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-06-12 00:00","pubTimestamp":1591891200,"title_zh":"8-K - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"第1.01項:訂立實質性最終協議； 第2.03項:直接金融債務或登記人資產負債表外安排下債務的設定； 項目9.01:財務報表和報表","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9804448","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520165799-WLK","pdf_url":null,"pub_time":1591718400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"WLK","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520165799/0001193125-20-165799-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-1.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520165799/d940837dex11.htm","primary":true,"translateUrl":null,"linkName":"d940837dex11.htm","type":"EX-1.1","id":"NTFILE6BFMkAbpcGwLYqfv","market":"us","size":171845},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520165799/d940837d8k.htm","primary":false,"translateUrl":null,"linkName":"d940837d8k.htm","type":"8-K","id":"NTFILE2ibgP3oc8eduv2Lq","market":"us","size":39539},{"description":"EX-99.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520165799/d940837dex991.htm","primary":false,"translateUrl":null,"linkName":"d940837dex991.htm","type":"EX-99.1","id":"NTFILE9w8bxMo9ei4cUtMk","market":"us","size":9069},{"description":"EX-99.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520165799/d940837dex992.htm","primary":false,"translateUrl":null,"linkName":"d940837dex992.htm","type":"EX-99.2","id":"NTFILEHTp4qjfLNSyFLVG6","market":"us","size":9220},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520165799/wlk-20200609.xsd","primary":false,"translateUrl":null,"linkName":"wlk-20200609.xsd","type":"EX-101.SCH","id":"NTFILEGqneirV4dRJKhCks","market":"us","size":4118},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520165799/wlk-20200609_def.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200609_def.xml","type":"EX-101.DEF","id":"NTFILE2TZCXi4CFhHUF68n","market":"us","size":13796},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520165799/wlk-20200609_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200609_lab.xml","type":"EX-101.LAB","id":"NTFILEHApuQDh2Q96biQV3","market":"us","size":22748},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520165799/wlk-20200609_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200609_pre.xml","type":"EX-101.PRE","id":"NTFILEAXUnfXJdZfduBW2q","market":"us","size":14764},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520165799/g940837g0610121439361.jpg","primary":false,"translateUrl":null,"linkName":"g940837g0610121439361.jpg","type":"GRAPHIC","id":"NTFILE83UEB4H7QbYBL7eU","market":"us","size":3864},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520165799/d940837d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d940837d8k_htm.xml","type":"XML","id":"NTFILETNVNSEAXjKfS8gJq","market":"us","size":5258}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-06-10 00:00","pubTimestamp":1591718400,"title_zh":"8-K - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"第1.01項:訂立實質性最終協議； 項目7.01:規定FD披露； 項目9.01:財務報表和報表","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9800442","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520164661-WLK","pdf_url":null,"pub_time":1591632000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses","symbol":"WLK","title":"FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses","titleType":"[補充]招股説明書","type":"usProspectusesRegistrations","url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520164661/0001193125-20-164661-index.htm","us_notice_code":"Form FWP","us_title_en":"FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FWP","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520164661/d870548dfwp.htm","primary":true,"translateUrl":null,"linkName":"d870548dfwp.htm","type":"FWP","id":"NTFILE5LRA1gpk32hLn9eh","market":"us","size":14710}],"type_name":"招股註冊","type_name_en":"Recruitment Registration","titleTypeEn":"[Supp]Public Prospectus","us_type":"usProspectusesRegistrations","us_type_zh":"招股註冊","earn_infos":[],"event_type":"important_notice","event_name":"[補充]招股説明書","pubTime":"2020-06-09 00:00","pubTimestamp":1591632000,"title_zh":"FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9788954","market":"us","labels":[],"media":"sec.gov","original_id":"AN126282320000020-WLK","pdf_url":null,"pub_time":1591200000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"WLK","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000020/0001262823-20-000020-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000020/wlk-20200604.xsd","primary":true,"translateUrl":null,"linkName":"wlk-20200604.xsd","type":"EX-101.SCH","id":"NTFILEG7k9S6pMeYsVaAcz","market":"us","size":4839},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000020/a2006048k.htm","primary":false,"translateUrl":null,"linkName":"a2006048k.htm","type":"8-K","id":"NTFILE7VkQ1fDV3a1UrTFZ","market":"us","size":47671},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000020/wlk-20200604_cal.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200604_cal.xml","type":"EX-101.CAL","id":"NTFILEEk4Z38UdKYWGJKW2","market":"us","size":619},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000020/wlk-20200604_def.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200604_def.xml","type":"EX-101.DEF","id":"NTFILEHK4xkfaccR95W1NL","market":"us","size":15870},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000020/wlk-20200604_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200604_lab.xml","type":"EX-101.LAB","id":"NTFILE8PxdMYp9Pv42Xtn2","market":"us","size":34862},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000020/wlk-20200604_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200604_pre.xml","type":"EX-101.PRE","id":"NTFILE44mGHfQXr55vHUeT","market":"us","size":17847},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000020/a2006048k_htm.xml","primary":false,"translateUrl":null,"linkName":"a2006048k_htm.xml","type":"XML","id":"NTFILEGvSSLENPufocS4F6","market":"us","size":6654}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-06-04 00:00","pubTimestamp":1591200000,"title_zh":"8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"項目8.01:其他活動； 項目9.01:財務報表和報表","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9745874","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520145075-WLK","pdf_url":null,"pub_time":1589731200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"WLK","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520145075/0001193125-20-145075-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.07: Submission of Matters to a Vote of Security Holders\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520145075/d813065dex991.htm","primary":true,"translateUrl":null,"linkName":"d813065dex991.htm","type":"EX-99.1","id":"NTFILE5NQtXTekMHnjV9ER","market":"us","size":5044},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520145075/d813065d8k.htm","primary":false,"translateUrl":null,"linkName":"d813065d8k.htm","type":"8-K","id":"NTFILE4Cj9JtGmUAxzwS7n","market":"us","size":45084},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520145075/wlk-20200515.xsd","primary":false,"translateUrl":null,"linkName":"wlk-20200515.xsd","type":"EX-101.SCH","id":"NTFILEBZ5vADzisw8BCor1","market":"us","size":4119},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520145075/wlk-20200515_def.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200515_def.xml","type":"EX-101.DEF","id":"NTFILE5Yd2MGArwSQ8e8Wo","market":"us","size":13797},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520145075/wlk-20200515_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200515_lab.xml","type":"EX-101.LAB","id":"NTFILEFzDyATUCJg4n2EVu","market":"us","size":22749},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520145075/wlk-20200515_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200515_pre.xml","type":"EX-101.PRE","id":"NTFILE83VVvwL9QdVA9CcW","market":"us","size":14765},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520145075/d813065d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d813065d8k_htm.xml","type":"XML","id":"NTFILEHt8tpZST4hhppP67","market":"us","size":5258}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-05-18 00:00","pubTimestamp":1589731200,"title_zh":"8-K - Current report","summary_en":"Item 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"項目5.07:將事項提交證券持有人表決項目9.01:財務報表和證物","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9684368","market":"us","labels":[],"media":"sec.gov","original_id":"AN126282320000015-WLK","pdf_url":null,"pub_time":1588694400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Quarterly report [Sections 13 or 15(d)]","symbol":"WLK","title":"Quarterly report [Sections 13 or 15(d)]","titleType":"季度報告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000015/0001262823-20-000015-index.htm","us_notice_code":"Form 10-Q","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000015/a2020033110qwlk.htm","primary":true,"translateUrl":null,"linkName":"a2020033110qwlk.htm","type":"10-Q","id":"NTFILE5qywQiRztApVh93g","market":"us","size":1404309},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000015/exhibit31120200331.htm","primary":false,"translateUrl":null,"linkName":"exhibit31120200331.htm","type":"EX-31.1","id":"NTFILE9dpBcDJNUyAWtm5x","market":"us","size":21644},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000015/exhibit31220200331.htm","primary":false,"translateUrl":null,"linkName":"exhibit31220200331.htm","type":"EX-31.2","id":"NTFILECgMXgrnNwvnVag1i","market":"us","size":21654},{"description":"EXHIBIT 32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000015/exhibit32120200331.htm","primary":false,"translateUrl":null,"linkName":"exhibit32120200331.htm","type":"EX-32.1","id":"NTFILE9pk1otbzaqS8szyd","market":"us","size":18530},{"description":"XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000015/wlk-20200331.xsd","primary":false,"translateUrl":null,"linkName":"wlk-20200331.xsd","type":"EX-101.SCH","id":"NTFILEJ27oUcCJJ7Jf1ki1","market":"us","size":39934},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000015/wlk-20200331_cal.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200331_cal.xml","type":"EX-101.CAL","id":"NTFILEHty22XvJaNYbSkHh","market":"us","size":78249},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000015/wlk-20200331_def.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200331_def.xml","type":"EX-101.DEF","id":"NTFILE7HoiACi56wbBZTvF","market":"us","size":186265},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000015/wlk-20200331_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200331_lab.xml","type":"EX-101.LAB","id":"NTFILE8RexsjYhjDpyTBZv","market":"us","size":506758},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000015/wlk-20200331_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200331_pre.xml","type":"EX-101.PRE","id":"NTFILEFKUyf4bSf4ErgZ4t","market":"us","size":319632},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":48,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000015/a2020033110qwlk_htm.xml","primary":false,"translateUrl":null,"linkName":"a2020033110qwlk_htm.xml","type":"XML","id":"NTFILE7ARskZ8aiJCLwVBS","market":"us","size":1118932}],"type_name":"財務報告","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"usFinancials","us_type_zh":"財務報告","earn_infos":[],"event_type":"important_notice","event_name":"季度報告","pubTime":"2020-05-06 00:00","pubTimestamp":1588694400,"title_zh":"Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9672404","market":"us","labels":[],"media":"sec.gov","original_id":"AN126282320000013-WLK","pdf_url":null,"pub_time":1588521600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 2.02, 7.01, and 9.01","symbol":"WLK","title":"Current report, items 2.02, 7.01, and 9.01","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/0001262823-20-000013-index.htm","us_notice_code":"Form 8-K","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/ex991200331earningsrel.htm","primary":true,"translateUrl":null,"linkName":"ex991200331earningsrel.htm","type":"EX-99.1","id":"NTFILEFFx7P9EsQdmaypaU","market":"us","size":280854},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/a200331earningsrelease.htm","primary":false,"translateUrl":null,"linkName":"a200331earningsrelease.htm","type":"8-K","id":"NTFILECqnCvGUtMrxhYzXy","market":"us","size":48175},{"description":"EXHIBIT 99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120.htm","primary":false,"translateUrl":null,"linkName":"investorpresentationq120.htm","type":"EX-99.2","id":"NTFILE57mrAejLpKP2qWbK","market":"us","size":27060},{"description":"XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/wlk-20200504.xsd","primary":false,"translateUrl":null,"linkName":"wlk-20200504.xsd","type":"EX-101.SCH","id":"NTFILEDCipGBCf1YeXtiAh","market":"us","size":4839},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/wlk-20200504_cal.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200504_cal.xml","type":"EX-101.CAL","id":"NTFILEFG9FDzDz6yznXeXD","market":"us","size":619},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/wlk-20200504_def.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200504_def.xml","type":"EX-101.DEF","id":"NTFILEAkjJQeksGSZnhgCp","market":"us","size":15870},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/wlk-20200504_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200504_lab.xml","type":"EX-101.LAB","id":"NTFILECrkU6gzy9siAiZDA","market":"us","size":34857},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/wlk-20200504_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200504_pre.xml","type":"EX-101.PRE","id":"NTFILEFGzr4D9DZ6em18Hc","market":"us","size":17847},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120001.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationq120001.jpg","type":"GRAPHIC","id":"NTFILEHpasdKfHea53intH","market":"us","size":101606},{"description":"","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120002.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationq120002.jpg","type":"GRAPHIC","id":"NTFILE8fSwEqD3tA2mEDnV","market":"us","size":155952},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120003.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationq120003.jpg","type":"GRAPHIC","id":"NTFILEBVSYNdiSXJnzaHeh","market":"us","size":144819},{"description":"","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120004.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationq120004.jpg","type":"GRAPHIC","id":"NTFILE5E6ibtPHnFWjvUG8","market":"us","size":213768},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120005.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationq120005.jpg","type":"GRAPHIC","id":"NTFILEG7B2p4SaJd4vGEwa","market":"us","size":127104},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120006.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationq120006.jpg","type":"GRAPHIC","id":"NTFILE35pb1en2si65SqTg","market":"us","size":125521},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120007.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationq120007.jpg","type":"GRAPHIC","id":"NTFILECNyw5DLMePtBQgap","market":"us","size":115261},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120008.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationq120008.jpg","type":"GRAPHIC","id":"NTFILE3T2tagJXSQ7TjxKW","market":"us","size":91163},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120009.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationq120009.jpg","type":"GRAPHIC","id":"NTFILEDNuuwpgTq6DTFeMg","market":"us","size":102824},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120010.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationq120010.jpg","type":"GRAPHIC","id":"NTFILEBobP1zyaoVMSJ7v5","market":"us","size":98026},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120011.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationq120011.jpg","type":"GRAPHIC","id":"NTFILEHdFjhVNqYeUsgUTH","market":"us","size":101461},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120012.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationq120012.jpg","type":"GRAPHIC","id":"NTFILEGa6jF7isiUE47XE6","market":"us","size":90921},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120013.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationq120013.jpg","type":"GRAPHIC","id":"NTFILE4pMDtuGtVy5BtBWs","market":"us","size":146232},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/investorpresentationq120014.jpg","primary":false,"translateUrl":null,"linkName":"investorpresentationq120014.jpg","type":"GRAPHIC","id":"NTFILEuMuvWwfeys3C9zJo","market":"us","size":224376},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000013/a200331earningsrelease_htm.xml","primary":false,"translateUrl":null,"linkName":"a200331earningsrelease_htm.xml","type":"XML","id":"NTFILE88aLPcmUnDhHa5RU","market":"us","size":6702}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-05-04 00:00","pubTimestamp":1588521600,"title_zh":"Current report, items 2.02, 7.01, and 9.01","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"第2.02項:經營成果和財務狀況； 項目7.01:規定FD披露； 項目9.01:財務報表和報表","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9209720","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520080669-WLK","pdf_url":null,"pub_time":1584633600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, item 8.01","symbol":"WLK","title":"Current report, item 8.01","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520080669/0001193125-20-080669-index.htm","us_notice_code":"Form 8-K","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520080669/wlk-20200320.xsd","primary":true,"translateUrl":null,"linkName":"wlk-20200320.xsd","type":"EX-101.SCH","id":"NTFILEJ5iPqC4qxV64LoNT","market":"us","size":4120},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520080669/d883721d8k.htm","primary":false,"translateUrl":null,"linkName":"d883721d8k.htm","type":"8-K","id":"NTFILE7zymUcKMG1QAMwKj","market":"us","size":29655},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520080669/wlk-20200320_def.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200320_def.xml","type":"EX-101.DEF","id":"NTFILE5McghRNC77ncMgSt","market":"us","size":13798},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520080669/wlk-20200320_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200320_lab.xml","type":"EX-101.LAB","id":"NTFILEE1VwGSzqRMo3gcLH","market":"us","size":22750},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520080669/wlk-20200320_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200320_pre.xml","type":"EX-101.PRE","id":"NTFILEqj4orM7CRQ7aMZhg","market":"us","size":14766},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520080669/d883721d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d883721d8k_htm.xml","type":"XML","id":"NTFILE2T7UaEpyxjTA3pkB","market":"us","size":5258}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-03-20 00:00","pubTimestamp":1584633600,"title_zh":"Current report, item 8.01","summary_en":"Item 8.01: Other Events","summary_zh":"項目8.01:其他活動","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9111164","market":"us","labels":[],"media":"sec.gov","original_id":"AN126282320000007-WLK","pdf_url":null,"pub_time":1582041600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"WLK","title":"Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"年度報告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000007/0001262823-20-000007-index.htm","us_notice_code":"Form 10-K","us_title_en":"Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000007/a12311910-kwlk.htm","primary":true,"translateUrl":null,"linkName":"a12311910-kwlk.htm","type":"10-K","id":"NTFILEFPFqwqEbiZ6whEpt","market":"us","size":4276290},{"description":"EXHIBIT 4.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000007/exhibit4112311910-k.htm","primary":false,"translateUrl":null,"linkName":"exhibit4112311910-k.htm","type":"EX-4.1","id":"NTFILEHMKCd28xYiQ8khhF","market":"us","size":187748},{"description":"EXHIBIT 21","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000007/exhibit2112311910-k.htm","primary":false,"translateUrl":null,"linkName":"exhibit2112311910-k.htm","type":"EX-21","id":"NTFILEHENoR7grkXgWvib5","market":"us","size":119821},{"description":"EXHIBIT 23.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000007/exhibit23112311910-k.htm","primary":false,"translateUrl":null,"linkName":"exhibit23112311910-k.htm","type":"EX-23.1","id":"NTFILECg5AwyJFoTSjKZzP","market":"us","size":2732},{"description":"EXHIBIT 31.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000007/exhibit31112311910-k.htm","primary":false,"translateUrl":null,"linkName":"exhibit31112311910-k.htm","type":"EX-31.1","id":"NTFILE3VQ64Eoqpn7s9tw4","market":"us","size":12880},{"description":"EXHIBIT 31.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000007/exhibit31212311910-k.htm","primary":false,"translateUrl":null,"linkName":"exhibit31212311910-k.htm","type":"EX-31.2","id":"NTFILE5xFRtuwoguCfSHNP","market":"us","size":13014},{"description":"EXHIBIT 32.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000007/exhibit32112311910-k.htm","primary":false,"translateUrl":null,"linkName":"exhibit32112311910-k.htm","type":"EX-32.1","id":"NTFILEF9Mysqd5WfP91EAu","market":"us","size":10159},{"description":"XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000007/wlk-20191231.xsd","primary":false,"translateUrl":null,"linkName":"wlk-20191231.xsd","type":"EX-101.SCH","id":"NTFILEFHajRVeDeJWJEtYK","market":"us","size":95842},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000007/wlk-20191231_cal.xml","primary":false,"translateUrl":null,"linkName":"wlk-20191231_cal.xml","type":"EX-101.CAL","id":"NTFILEG626gnK6saiEp7WR","market":"us","size":162463},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000007/wlk-20191231_def.xml","primary":false,"translateUrl":null,"linkName":"wlk-20191231_def.xml","type":"EX-101.DEF","id":"NTFILE5Xt3VRn2yDpEW1FD","market":"us","size":651599},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000007/wlk-20191231_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20191231_lab.xml","type":"EX-101.LAB","id":"NTFILE4fkDoBFFPzbtzsT2","market":"us","size":1300378},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000007/wlk-20191231_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20191231_pre.xml","type":"EX-101.PRE","id":"NTFILE6ur36GksA9CHx3Vj","market":"us","size":914102},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":75,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000007/a12311910-kwlk_htm.xml","primary":false,"translateUrl":null,"linkName":"a12311910-kwlk_htm.xml","type":"XML","id":"NTFILEESJLxPsPdRNcxizh","market":"us","size":4577935}],"type_name":"財務報告","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"usFinancials","us_type_zh":"財務報告","earn_infos":[],"event_type":"important_notice","event_name":"年度報告","pubTime":"2020-02-19 00:00","pubTimestamp":1582041600,"title_zh":"Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9107013","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520040433-WLK","pdf_url":null,"pub_time":1581955200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 5.02 and 9.01","symbol":"WLK","title":"Current report, items 5.02 and 9.01","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520040433/0001193125-20-040433-index.htm","us_notice_code":"Form 8-K","us_title_en":"Current report, items 5.02 and 9.01","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520040433/d877276dex991.htm","primary":true,"translateUrl":null,"linkName":"d877276dex991.htm","type":"EX-99.1","id":"NTFILEE6WoaqpPE9sz2KRn","market":"us","size":3945},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520040433/d877276d8k.htm","primary":false,"translateUrl":null,"linkName":"d877276d8k.htm","type":"8-K","id":"NTFILEHS5UhywtLE9usvYh","market":"us","size":30190},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520040433/wlk-20200213.xsd","primary":false,"translateUrl":null,"linkName":"wlk-20200213.xsd","type":"EX-101.SCH","id":"NTFILE4Q9CZj9iCWdEFzAx","market":"us","size":4119},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520040433/wlk-20200213_def.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200213_def.xml","type":"EX-101.DEF","id":"NTFILEGw9MMU4geZ1pSxpE","market":"us","size":13797},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520040433/wlk-20200213_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200213_lab.xml","type":"EX-101.LAB","id":"NTFILE5wYe9qDnr4aLzgcS","market":"us","size":22749},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520040433/wlk-20200213_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200213_pre.xml","type":"EX-101.PRE","id":"NTFILE97KgzggBesjiAj2n","market":"us","size":14765},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520040433/d877276d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d877276d8k_htm.xml","type":"XML","id":"NTFILE5htVpfPizPpyNi36","market":"us","size":5258}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-02-18 00:00","pubTimestamp":1581955200,"title_zh":"Current report, items 5.02 and 9.01","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"第5.02項:董事或某些高級職員離職； 選舉董事； 某些軍官的任命:某些軍官的補償安排； 項目9.01:財務報表和報表","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9105777","market":"us","labels":[],"media":"sec.gov","original_id":"AN126282320000004-WLK","pdf_url":null,"pub_time":1581955200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 2.02, 7.01, and 9.01","symbol":"WLK","title":"Current report, items 2.02, 7.01, and 9.01","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/0001262823-20-000004-index.htm","us_notice_code":"Form 8-K","us_title_en":"Current report, items 2.02, 7.01, and 9.01","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex991_191231earningsreleas.htm","primary":true,"translateUrl":null,"linkName":"ex991_191231earningsreleas.htm","type":"EX-99.1","id":"NTFILE8dipGbjBGSww367p","market":"us","size":368810},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/a191231earningsrelease.htm","primary":false,"translateUrl":null,"linkName":"a191231earningsrelease.htm","type":"8-K","id":"NTFILEFQLZKedKBgGhFsHg","market":"us","size":49357},{"description":"EXHIBIT 99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio.htm","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio.htm","type":"EX-99.2","id":"NTFILEAcpr8EkCzYdaR6AY","market":"us","size":29641},{"description":"XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/wlk-20200218.xsd","primary":false,"translateUrl":null,"linkName":"wlk-20200218.xsd","type":"EX-101.SCH","id":"NTFILE62C7mnMpqxtY1MH9","market":"us","size":5006},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/wlk-20200218_cal.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200218_cal.xml","type":"EX-101.CAL","id":"NTFILE4MD4Hfem98iM3hTA","market":"us","size":646},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/wlk-20200218_def.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200218_def.xml","type":"EX-101.DEF","id":"NTFILE7MQdBXHTiinikW7V","market":"us","size":15897},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/wlk-20200218_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200218_lab.xml","type":"EX-101.LAB","id":"NTFILE5yePRoFqgcWGYq9z","market":"us","size":34857},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/wlk-20200218_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200218_pre.xml","type":"EX-101.PRE","id":"NTFILE1457ApZxeHdGfunP","market":"us","size":17874},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio001.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio001.jpg","type":"GRAPHIC","id":"NTFILE2mWoC8dte32FFozM","market":"us","size":102900},{"description":"","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio002.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio002.jpg","type":"GRAPHIC","id":"NTFILE6rp6H8ZyreQ5ubHe","market":"us","size":154167},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio003.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio003.jpg","type":"GRAPHIC","id":"NTFILECrqMfKTdQxWTfMvd","market":"us","size":143961},{"description":"","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio004.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio004.jpg","type":"GRAPHIC","id":"NTFILEBHMHA4qGenR1nPMJ","market":"us","size":206439},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio005.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio005.jpg","type":"GRAPHIC","id":"NTFILEG9rksPFgubL7yVEL","market":"us","size":155629},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio006.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio006.jpg","type":"GRAPHIC","id":"NTFILEB8sXyXxap3LCwdZT","market":"us","size":149002},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio007.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio007.jpg","type":"GRAPHIC","id":"NTFILE5M1qL7HRidzDmNad","market":"us","size":134540},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio008.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio008.jpg","type":"GRAPHIC","id":"NTFILEEtHuWfsBcjt1hmtR","market":"us","size":91012},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio009.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio009.jpg","type":"GRAPHIC","id":"NTFILEA2oTZyX9xaPxnjsg","market":"us","size":118783},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio010.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio010.jpg","type":"GRAPHIC","id":"NTFILE4yDSyMSUBMWQdRdq","market":"us","size":115116},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio011.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio011.jpg","type":"GRAPHIC","id":"NTFILE3p2k41WY5CTd6PEM","market":"us","size":111806},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio012.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio012.jpg","type":"GRAPHIC","id":"NTFILEBcJzBWohZv1rVazn","market":"us","size":90773},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio013.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio013.jpg","type":"GRAPHIC","id":"NTFILEHJGSyFE6mDpHhy3D","market":"us","size":146673},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/ex992investorpresentatio014.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio014.jpg","type":"GRAPHIC","id":"NTFILEB2nvNYKjPrMv8FzM","market":"us","size":227064},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282320000004/a191231earningsrelease_htm.xml","primary":false,"translateUrl":null,"linkName":"a191231earningsrelease_htm.xml","type":"XML","id":"NTFILEDXDD5nZmjAJknTwi","market":"us","size":7456}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-02-18 00:00","pubTimestamp":1581955200,"title_zh":"Current report, items 2.02, 7.01, and 9.01","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"第2.02項:經營成果和財務狀況； 項目7.01:規定FD披露； 項目9.01:財務報表和報表","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9066528","market":"us","labels":[],"media":"sec.gov","original_id":"AN31506620001281-WLK","pdf_url":null,"pub_time":1581004800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"[Amend] Statement of acquisition of beneficial ownership by individuals","symbol":"WLK","title":"[Amend] Statement of acquisition of beneficial ownership by individuals","titleType":"超過5%披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000031506620001281/0000315066-20-001281-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"[Amend] Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/315066/000031506620001281/filing.txt","primary":true,"translateUrl":null,"linkName":"filing.txt","type":"SC 13G/A","id":"NTFILEEt8m681SRvTKnn5R","market":"us","size":6813}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"超過5%披露","pubTime":"2020-02-07 00:00","pubTimestamp":1581004800,"title_zh":"Amend] Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9039596","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520021407-WLK","pdf_url":null,"pub_time":1580400000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, item 5.02","symbol":"WLK","title":"Current report, item 5.02","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520021407/0001193125-20-021407-index.htm","us_notice_code":"Form 8-K","us_title_en":"Current report, item 5.02","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520021407/d879110d8k.htm","primary":true,"translateUrl":null,"linkName":"d879110d8k.htm","type":"8-K","id":"NTFILECAndcQADQfRezKP4","market":"us","size":26772},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520021407/wlk-20200127.xsd","primary":false,"translateUrl":null,"linkName":"wlk-20200127.xsd","type":"EX-101.SCH","id":"NTFILE9bSQGSd29EyZirBQ","market":"us","size":4118},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520021407/wlk-20200127_def.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200127_def.xml","type":"EX-101.DEF","id":"NTFILEHwdxoqcFrNeLJ5th","market":"us","size":13796},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520021407/wlk-20200127_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200127_lab.xml","type":"EX-101.LAB","id":"NTFILEDU2cn4zv5ePCSLDL","market":"us","size":22748},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520021407/wlk-20200127_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20200127_pre.xml","type":"EX-101.PRE","id":"NTFILE6qS6jcnEgqxTNUDR","market":"us","size":14764},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312520021407/d879110d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d879110d8k_htm.xml","type":"XML","id":"NTFILEYto95YRiVfhmQ3Th","market":"us","size":5258}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-01-31 00:00","pubTimestamp":1580400000,"title_zh":"Current report, item 5.02","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9024448","market":"us","labels":[],"media":"sec.gov","original_id":"AN89534520000019-WLK","pdf_url":null,"pub_time":1579795200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"[Amend] Statement of acquisition of beneficial ownership by individuals","symbol":"WLK","title":"[Amend] Statement of acquisition of beneficial ownership by individuals","titleType":"超過5%披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000089534520000019/0000895345-20-000019-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"[Amend] Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000089534520000019/lp13ga15-westlakecorp_ttwf.htm","primary":true,"translateUrl":null,"linkName":"lp13ga15-westlakecorp_ttwf.htm","type":"SC 13G/A","id":"NTFILEVmEkwM1BtC1UzriU","market":"us","size":207396}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"超過5%披露","pubTime":"2020-01-24 00:00","pubTimestamp":1579795200,"title_zh":"Amend] Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8768379","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312519294824-WLK","pdf_url":null,"pub_time":1574006400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, item 8.01","symbol":"WLK","title":"Current report, item 8.01","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312519294824/0001193125-19-294824-index.htm","us_notice_code":"Form 8-K","us_title_en":"Current report, item 8.01","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/ix?doc=/Archives/edgar/data/1262823/000119312519294824/d834005d8k.htm","primary":true,"translateUrl":null,"linkName":"d834005d8k.htm","type":"8-K","id":"NTFILE9oGnnY3rNa3TTTcb","market":"us","size":24241},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312519294824/wlk-20191112.xsd","primary":false,"translateUrl":null,"linkName":"wlk-20191112.xsd","type":"EX-101.SCH","id":"NTFILE29y9AWp58kVvYMvK","market":"us","size":3068},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312519294824/wlk-20191112_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20191112_lab.xml","type":"EX-101.LAB","id":"NTFILE5HDpQKdAXWZbEJpx","market":"us","size":18140},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312519294824/wlk-20191112_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20191112_pre.xml","type":"EX-101.PRE","id":"NTFILE5fd2gvXH2bDG4hmW","market":"us","size":11408},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312519294824/d834005d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d834005d8k_htm.xml","type":"XML","id":"NTFILE3h1btiaWreEFo4Em","market":"us","size":3377}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2019-11-18 00:00","pubTimestamp":1574006400,"title_zh":"Current report, item 8.01","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8751576","market":"us","labels":[],"media":"sec.gov","original_id":"AN156761919020895-WLK","pdf_url":null,"pub_time":1573488000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Statement of changes in beneficial ownership of securities","symbol":"WLK","title":"Statement of changes in beneficial ownership of securities","titleType":"持股變動聲明","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000156761919020895/0001567619-19-020895-index.htm","us_notice_code":"Form 4","us_title_en":"Statement of changes in beneficial ownership of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 4","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000156761919020895/xslF345X03/doc1.xml","primary":true,"translateUrl":null,"linkName":"doc1.html","type":"4","id":"NTFILE4hMrvtgdnwJVGyEX","market":"us","size":0},{"description":"FORM 4","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000156761919020895/doc1.xml","primary":false,"translateUrl":null,"linkName":"doc1.xml","type":"4","id":"NTFILE2JdKNwVGy2zk8tXF","market":"us","size":3095}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Statement Of Changes In Beneficial Ownership","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"持股變動聲明","pubTime":"2019-11-12 00:00","pubTimestamp":1573488000,"title_zh":"Statement of changes in beneficial ownership of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8605546","market":"us","labels":[],"media":"sec.gov","original_id":"AN126282319000050-WLK","pdf_url":null,"pub_time":1572969600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Quarterly report [Sections 13 or 15(d)]","symbol":"WLK","title":"Quarterly report [Sections 13 or 15(d)]","titleType":"季度報告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000050/0001262823-19-000050-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/ix?doc=/Archives/edgar/data/1262823/000126282319000050/a2019093010qwlk.htm","primary":true,"translateUrl":null,"linkName":"a2019093010qwlk.htm","type":"10-Q","id":"NTFILE2wiEgzgHPXxd91Y6","market":"us","size":2126521},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000050/exhibit31120190930.htm","primary":false,"translateUrl":null,"linkName":"exhibit31120190930.htm","type":"EX-31.1","id":"NTFILE8aZF5kUMcCenDKd6","market":"us","size":21638},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000050/exhibit31220190930.htm","primary":false,"translateUrl":null,"linkName":"exhibit31220190930.htm","type":"EX-31.2","id":"NTFILEFnJ3picZEJ3KFV9Z","market":"us","size":21648},{"description":"EXHIBIT 32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000050/exhibit32120190930.htm","primary":false,"translateUrl":null,"linkName":"exhibit32120190930.htm","type":"EX-32.1","id":"NTFILE7NRUQn8N44XnVVaw","market":"us","size":18533},{"description":"XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000050/wlk-20190930.xsd","primary":false,"translateUrl":null,"linkName":"wlk-20190930.xsd","type":"EX-101.SCH","id":"NTFILEHfkxGsjAhNK3j6NR","market":"us","size":50678},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000050/wlk-20190930_cal.xml","primary":false,"translateUrl":null,"linkName":"wlk-20190930_cal.xml","type":"EX-101.CAL","id":"NTFILE2jpf3C7j2FnJ2jWL","market":"us","size":95355},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000050/wlk-20190930_def.xml","primary":false,"translateUrl":null,"linkName":"wlk-20190930_def.xml","type":"EX-101.DEF","id":"NTFILEFSR8UKEZAduXn5DA","market":"us","size":238051},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000050/wlk-20190930_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20190930_lab.xml","type":"EX-101.LAB","id":"NTFILE9ExknjAFqSnjCPkR","market":"us","size":656511},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000050/wlk-20190930_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20190930_pre.xml","type":"EX-101.PRE","id":"NTFILE9kRTV5NXVzkM8FqE","market":"us","size":410363},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000050/a2019093010qwlk_htm.xml","primary":false,"translateUrl":null,"linkName":"a2019093010qwlk_htm.xml","type":"XML","id":"NTFILE2EydgvVV82j47h9a","market":"us","size":1680038}],"type_name":"財務報告","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"usFinancials","us_type_zh":"財務報告","earn_infos":[],"event_type":"important_notice","event_name":"季度報告","pubTime":"2019-11-06 00:00","pubTimestamp":1572969600,"title_zh":"Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8602878","market":"us","labels":[],"media":"sec.gov","original_id":"AN126282319000047-WLK","pdf_url":null,"pub_time":1572883200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 2.02, 7.01, and 9.01","symbol":"WLK","title":"Current report, items 2.02, 7.01, and 9.01","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/0001262823-19-000047-index.htm","us_notice_code":"Form 8-K","us_title_en":"Current report, items 2.02, 7.01, and 9.01","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/ix?doc=/Archives/edgar/data/1262823/000126282319000047/a190930earningsrelease.htm","primary":true,"translateUrl":null,"linkName":"a190930earningsrelease.htm","type":"8-K","id":"NTFILEAUwtzA2Cg7VmHWLF","market":"us","size":44735},{"description":"EXHIBIT 99.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex991190930earningsrel.htm","primary":false,"translateUrl":null,"linkName":"ex991190930earningsrel.htm","type":"EX-99.1","id":"NTFILEFSJyXHvXGpmzVmbC","market":"us","size":360834},{"description":"EXHIBIT 99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex992investorpresentatio.htm","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio.htm","type":"EX-99.2","id":"NTFILEGgyfGNPWNwXWxDro","market":"us","size":26065},{"description":"XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/wlk-20191105.xsd","primary":false,"translateUrl":null,"linkName":"wlk-20191105.xsd","type":"EX-101.SCH","id":"NTFILE6WA6G86tnvP4a6Pf","market":"us","size":4577},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/wlk-20191105_cal.xml","primary":false,"translateUrl":null,"linkName":"wlk-20191105_cal.xml","type":"EX-101.CAL","id":"NTFILE6is8jUtetVdWfNQS","market":"us","size":619},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/wlk-20191105_def.xml","primary":false,"translateUrl":null,"linkName":"wlk-20191105_def.xml","type":"EX-101.DEF","id":"NTFILEFDk7TbKuJMHDqsoS","market":"us","size":1469},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/wlk-20191105_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20191105_lab.xml","type":"EX-101.LAB","id":"NTFILEdEAikpwaXytkSTNL","market":"us","size":27263},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/wlk-20191105_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20191105_pre.xml","type":"EX-101.PRE","id":"NTFILEEahdmsyaCPGjCiqp","market":"us","size":14109},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex992investorpresentatio001.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio001.jpg","type":"GRAPHIC","id":"NTFILEFXqUzoQQVgnRtbXY","market":"us","size":87196},{"description":"","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex992investorpresentatio002.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio002.jpg","type":"GRAPHIC","id":"NTFILEFg7NkTvG7LGyTC3U","market":"us","size":155794},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex992investorpresentatio003.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio003.jpg","type":"GRAPHIC","id":"NTFILEEbCsCoXQLRsECVuc","market":"us","size":143284},{"description":"","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex992investorpresentatio004.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio004.jpg","type":"GRAPHIC","id":"NTFILE5Az3MjgGytJCeDVy","market":"us","size":121952},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex992investorpresentatio005.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio005.jpg","type":"GRAPHIC","id":"NTFILE7L2HwZESjSWtGeih","market":"us","size":119004},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex992investorpresentatio006.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio006.jpg","type":"GRAPHIC","id":"NTFILEDp2fDPghaA3ySekA","market":"us","size":73300},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex992investorpresentatio007.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio007.jpg","type":"GRAPHIC","id":"NTFILE2pwfiqQ3RFvFiFmn","market":"us","size":112309},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex992investorpresentatio008.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio008.jpg","type":"GRAPHIC","id":"NTFILE43c8DkaVAcUm4YK5","market":"us","size":110130},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex992investorpresentatio009.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio009.jpg","type":"GRAPHIC","id":"NTFILE28Z8rMBpnpWuXDdj","market":"us","size":110993},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex992investorpresentatio010.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio010.jpg","type":"GRAPHIC","id":"NTFILEC5kwVds6G1HBZuJg","market":"us","size":73580},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex992investorpresentatio011.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio011.jpg","type":"GRAPHIC","id":"NTFILEHcANk75VapgLVSCi","market":"us","size":162911},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex992investorpresentatio012.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio012.jpg","type":"GRAPHIC","id":"NTFILEF3czTvYYfzUMRofr","market":"us","size":219503},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/ex992investorpresentatio013.jpg","primary":false,"translateUrl":null,"linkName":"ex992investorpresentatio013.jpg","type":"GRAPHIC","id":"NTFILEFtjRpCFJXDbwfy5k","market":"us","size":39449},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000126282319000047/a190930earningsrelease_htm.xml","primary":false,"translateUrl":null,"linkName":"a190930earningsrelease_htm.xml","type":"XML","id":"NTFILE55xsBx7uBjEAc1SJ","market":"us","size":4444}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2019-11-05 00:00","pubTimestamp":1572883200,"title_zh":"Current report, items 2.02, 7.01, and 9.01","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8591845","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312519278953-WLK","pdf_url":null,"pub_time":1572364800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, item 8.01","symbol":"WLK","title":"Current report, item 8.01","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1262823/000119312519278953/0001193125-19-278953-index.htm","us_notice_code":"Form 8-K","us_title_en":"Current report, item 8.01","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/ix?doc=/Archives/edgar/data/1262823/000119312519278953/d827342d8k.htm","primary":true,"translateUrl":null,"linkName":"d827342d8k.htm","type":"8-K","id":"NTFILEDsdLHN7tKfLVEFjK","market":"us","size":26399},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312519278953/wlk-20191029.xsd","primary":false,"translateUrl":null,"linkName":"wlk-20191029.xsd","type":"EX-101.SCH","id":"NTFILE9uh26wpEhgxRffun","market":"us","size":3069},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312519278953/wlk-20191029_lab.xml","primary":false,"translateUrl":null,"linkName":"wlk-20191029_lab.xml","type":"EX-101.LAB","id":"NTFILE6Hverk2ene9N3iBN","market":"us","size":18141},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312519278953/wlk-20191029_pre.xml","primary":false,"translateUrl":null,"linkName":"wlk-20191029_pre.xml","type":"EX-101.PRE","id":"NTFILE4cYNtRRb7K3neB34","market":"us","size":11409},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1262823/000119312519278953/d827342d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d827342d8k_htm.xml","type":"XML","id":"NTFILEGdECYb9ppXKHwDrC","market":"us","size":3377}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2019-10-30 00:00","pubTimestamp":1572364800,"title_zh":"Current report, item 8.01","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":12,"pageCount":8,"totalSize":229,"code":"91000000","status":"200"}]}}