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| 0000021175-17-000128-index.html | 2017-10-30 11:12:30 | |
| 0000021175-17-000128.txt | 2017-10-30 11:12:30 | |
 0000021175-17-000128-xbrl.zip | 331945 | 2017-10-30 11:12:30 |
| cna-20170930.xml | 5799245 | 2017-10-30 11:12:30 |
| cna-20170930.xsd | 58416 | 2017-10-30 11:12:30 |
| cna-20170930_cal.xml | 125309 | 2017-10-30 11:12:30 |
| cna-20170930_def.xml | 265490 | 2017-10-30 11:12:30 |
| cna-20170930_lab.xml | 689281 | 2017-10-30 11:12:30 |
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| cna2017q3.htm | 2800088 | 2017-10-30 11:12:30 |
| FilingSummary.xml | 33447 | 2017-10-30 11:12:30 |
| Financial_Report.xlsx | 93086 | 2017-10-30 11:12:30 |
| q32017cnaex311.htm | 14634 | 2017-10-30 11:12:30 |
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| report.css | 2767 | 2017-10-30 11:12:30 |
| Show.js | 1410 | 2017-10-30 11:12:30 |