Parent Directory| Name | Size | Last Modified |
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| 0001193125-22-171147-index.html | 2022-06-09 17:18:04 | |
| 0001193125-22-171147.txt | 2022-06-09 17:18:04 | |
 0001193125-22-171147-xbrl.zip | 117176 | 2022-06-09 17:18:04 |
| d263815d8k.htm | 33430 | 2022-06-09 17:18:04 |
| d263815d8k_htm.xml | 5259 | 2022-06-09 17:18:04 |
| d263815dex101.htm | 610102 | 2022-06-09 17:18:04 |
| FilingSummary.xml | 1767 | 2022-06-09 17:18:04 |
| Financial_Report.xlsx | 5798 | 2022-06-09 17:18:04 |
| MetaLinks.json | 22037 | 2022-06-09 17:18:04 |
| R1.htm | 44210 | 2022-06-09 17:18:04 |
| report.css | 2767 | 2022-06-09 17:18:04 |
| Show.js | 1085 | 2022-06-09 17:18:04 |
| wlk-20220609.xsd | 3911 | 2022-06-09 17:18:04 |
| wlk-20220609_def.xml | 13664 | 2022-06-09 17:18:04 |
| wlk-20220609_lab.xml | 22609 | 2022-06-09 17:18:04 |
| wlk-20220609_pre.xml | 14625 | 2022-06-09 17:18:04 |