Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000021175-24-000056-index-headers.html | 2024-07-29 07:43:05 | |
| 0000021175-24-000056-index.html | 2024-07-29 07:43:05 | |
| 0000021175-24-000056.txt | 2024-07-29 07:43:05 | |
 0000021175-24-000056-xbrl.zip | 341048 | 2024-07-29 07:43:05 |
| cna-20240630.htm | 2740094 | 2024-07-29 07:43:05 |
| cna-20240630.xsd | 67357 | 2024-07-29 07:43:05 |
| cna-20240630_cal.xml | 133197 | 2024-07-29 07:43:05 |
| cna-20240630_def.xml | 338931 | 2024-07-29 07:43:05 |
| cna-20240630_htm.xml | 3700329 | 2024-07-29 07:43:05 |
| cna-20240630_lab.xml | 707287 | 2024-07-29 07:43:05 |
| cna-20240630_pre.xml | 529929 | 2024-07-29 07:43:05 |
| FilingSummary.xml | 45912 | 2024-07-29 07:43:05 |
| Financial_Report.xlsx | 125234 | 2024-07-29 07:43:05 |
| MetaLinks.json | 977000 | 2024-07-29 07:43:05 |
| q22024cnaex101.htm | 112211 | 2024-07-29 07:43:05 |
| q22024cnaex102.htm | 117531 | 2024-07-29 07:43:05 |
| q22024cnaex311.htm | 12563 | 2024-07-29 07:43:05 |
| q22024cnaex312.htm | 12456 | 2024-07-29 07:43:05 |
| q22024cnaex321.htm | 7181 | 2024-07-29 07:43:05 |
| q22024cnaex322.htm | 7169 | 2024-07-29 07:43:05 |
| q22024cnaexhibit313.htm | 7662 | 2024-07-29 07:43:05 |
| R1.htm | 57026 | 2024-07-29 07:43:05 |
| R10.htm | 9948 | 2024-07-29 07:43:05 |
| R11.htm | 30111 | 2024-07-29 07:43:05 |
| R12.htm | 370217 | 2024-07-29 07:43:05 |
| R13.htm | 284537 | 2024-07-29 07:43:05 |
| R14.htm | 104401 | 2024-07-29 07:43:05 |
| R15.htm | 65525 | 2024-07-29 07:43:05 |
| R16.htm | 5975 | 2024-07-29 07:43:05 |
| R17.htm | 34206 | 2024-07-29 07:43:05 |
| R18.htm | 100711 | 2024-07-29 07:43:05 |
| R19.htm | 395172 | 2024-07-29 07:43:05 |
| R2.htm | 90951 | 2024-07-29 07:43:05 |
| R20.htm | 8233 | 2024-07-29 07:43:05 |
| R21.htm | 22694 | 2024-07-29 07:43:05 |
| R22.htm | 28363 | 2024-07-29 07:43:05 |
| R23.htm | 380606 | 2024-07-29 07:43:05 |
| R24.htm | 278274 | 2024-07-29 07:43:05 |
| R25.htm | 91088 | 2024-07-29 07:43:05 |
| R26.htm | 61855 | 2024-07-29 07:43:05 |
| R27.htm | 30986 | 2024-07-29 07:43:05 |
| R28.htm | 101580 | 2024-07-29 07:43:05 |
| R29.htm | 387916 | 2024-07-29 07:43:05 |
| R3.htm | 4679 | 2024-07-29 07:43:05 |
| R30.htm | 34310 | 2024-07-29 07:43:05 |
| R31.htm | 42206 | 2024-07-29 07:43:05 |
| R32.htm | 7359 | 2024-07-29 07:43:05 |
| R33.htm | 33863 | 2024-07-29 07:43:05 |
| R34.htm | 16909 | 2024-07-29 07:43:05 |
| R35.htm | 13149 | 2024-07-29 07:43:05 |
| R36.htm | 19619 | 2024-07-29 07:43:05 |
| R37.htm | 68348 | 2024-07-29 07:43:05 |
| R38.htm | 53975 | 2024-07-29 07:43:05 |
| R39.htm | 25888 | 2024-07-29 07:43:05 |
| R4.htm | 40166 | 2024-07-29 07:43:05 |
| R40.htm | 39449 | 2024-07-29 07:43:05 |
| R41.htm | 26627 | 2024-07-29 07:43:05 |
| R42.htm | 56308 | 2024-07-29 07:43:05 |
| R43.htm | 54611 | 2024-07-29 07:43:05 |
| R44.htm | 79692 | 2024-07-29 07:43:05 |
| R45.htm | 4191 | 2024-07-29 07:43:05 |
| R46.htm | 19386 | 2024-07-29 07:43:05 |
| R47.htm | 26001 | 2024-07-29 07:43:05 |
| R48.htm | 27656 | 2024-07-29 07:43:05 |
| R49.htm | 30647 | 2024-07-29 07:43:05 |
| R5.htm | 118945 | 2024-07-29 07:43:05 |
| R50.htm | 14079 | 2024-07-29 07:43:05 |
| R51.htm | 15562 | 2024-07-29 07:43:05 |
| R52.htm | 13642 | 2024-07-29 07:43:05 |
| R53.htm | 11526 | 2024-07-29 07:43:05 |
| R54.htm | 62873 | 2024-07-29 07:43:05 |
| R55.htm | 7744 | 2024-07-29 07:43:05 |
| R56.htm | 7240 | 2024-07-29 07:43:05 |
| R57.htm | 11000 | 2024-07-29 07:43:05 |
| R58.htm | 7097 | 2024-07-29 07:43:05 |
| R59.htm | 6045 | 2024-07-29 07:43:05 |
| R6.htm | 36901 | 2024-07-29 07:43:05 |
| R60.htm | 16365 | 2024-07-29 07:43:05 |
| R61.htm | 11841 | 2024-07-29 07:43:05 |
| R62.htm | 81492 | 2024-07-29 07:43:05 |
| R63.htm | 8816 | 2024-07-29 07:43:05 |
| R64.htm | 102624 | 2024-07-29 07:43:05 |
| R65.htm | 63204 | 2024-07-29 07:43:05 |
| R66.htm | 42972 | 2024-07-29 07:43:05 |
| R67.htm | 7634 | 2024-07-29 07:43:05 |
| R68.htm | 15928 | 2024-07-29 07:43:05 |
| R7.htm | 99647 | 2024-07-29 07:43:05 |
| R8.htm | 52807 | 2024-07-29 07:43:05 |
| R9.htm | 4783 | 2024-07-29 07:43:05 |
| report.css | 2767 | 2024-07-29 07:43:05 |
| Show.js | 1085 | 2024-07-29 07:43:05 |