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| 0000909832-22-000021-index.html | 2022-10-04 21:59:05 | |
| 0000909832-22-000021.txt | 2022-10-04 21:59:05 | |
 0000909832-22-000021-xbrl.zip | 389378 | 2022-10-04 21:59:05 |
| cost-20220828.htm | 1861894 | 2022-10-04 21:59:05 |
| cost-20220828.xsd | 45128 | 2022-10-04 21:59:05 |
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| cost-20220828_lab.xml | 674569 | 2022-10-04 21:59:05 |
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| costex4810k082822.htm | 17618 | 2022-10-04 21:59:05 |
| FilingSummary.xml | 41051 | 2022-10-04 21:59:05 |
| Financial_Report.xlsx | 109764 | 2022-10-04 21:59:05 |
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| R1.htm | 62921 | 2022-10-04 21:59:05 |
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| report.css | 2767 | 2022-10-04 21:59:05 |
| Show.js | 1085 | 2022-10-04 21:59:05 |