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| 0000039263-24-000013-index.html | 2024-02-06 16:20:36 | |
| 0000039263-24-000013.txt | 2024-02-06 16:20:36 | |
 0000039263-24-000013-xbrl.zip | 797957 | 2024-02-06 16:20:36 |
| cfr-20231231.htm | 5433405 | 2024-02-06 16:20:36 |
| cfr-20231231.xsd | 134330 | 2024-02-06 16:20:36 |
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| report.css | 2768 | 2024-02-06 16:20:36 |
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