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 0001193125-20-296942-index-headers.html | 2020-11-18 16:05:56 | |
| 0001193125-20-296942-index.html | 2020-11-18 16:05:56 | |
| 0001193125-20-296942.txt | 2020-11-18 16:05:56 | |
 0001193125-20-296942-xbrl.zip | 13048 | 2020-11-18 16:05:56 |
| d17865d8k.htm | 29777 | 2020-11-18 16:05:56 |
| d17865d8k_htm.xml | 5510 | 2020-11-18 16:05:56 |
| d17865dex991.htm | 3876 | 2020-11-18 16:05:56 |
| FilingSummary.xml | 1826 | 2020-11-18 16:05:56 |
| Financial_Report.xlsx | 5605 | 2020-11-18 16:05:56 |
| MetaLinks.json | 22802 | 2020-11-18 16:05:56 |
| R1.htm | 44264 | 2020-11-18 16:05:56 |
| report.css | 2767 | 2020-11-18 16:05:56 |
| Show.js | 1085 | 2020-11-18 16:05:56 |
| wlk-20201118.xsd | 4399 | 2020-11-18 16:05:56 |
| wlk-20201118_def.xml | 13875 | 2020-11-18 16:05:56 |
| wlk-20201118_lab.xml | 23062 | 2020-11-18 16:05:56 |
| wlk-20201118_pre.xml | 14843 | 2020-11-18 16:05:56 |