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 0001193125-21-251492-index-headers.html | 2021-08-19 16:06:10 | |
| 0001193125-21-251492-index.html | 2021-08-19 16:06:10 | |
| 0001193125-21-251492.txt | 2021-08-19 16:06:10 | |
 0001193125-21-251492-xbrl.zip | 12289 | 2021-08-19 16:06:10 |
| d198338d8k.htm | 26087 | 2021-08-19 16:06:10 |
| d198338d8k_htm.xml | 5274 | 2021-08-19 16:06:10 |
| d198338dex991.htm | 4781 | 2021-08-19 16:06:10 |
| FilingSummary.xml | 1830 | 2021-08-19 16:06:10 |
| Financial_Report.xlsx | 5806 | 2021-08-19 16:06:10 |
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| R1.htm | 44101 | 2021-08-19 16:06:10 |
| report.css | 2767 | 2021-08-19 16:06:10 |
| Show.js | 1085 | 2021-08-19 16:06:10 |
| wlk-20210819.xsd | 3941 | 2021-08-19 16:06:10 |
| wlk-20210819_def.xml | 13797 | 2021-08-19 16:06:10 |
| wlk-20210819_lab.xml | 22749 | 2021-08-19 16:06:10 |
| wlk-20210819_pre.xml | 14765 | 2021-08-19 16:06:10 |