Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000109380-23-000114-index-headers.html | 2023-05-05 14:47:52 | |
| 0000109380-23-000114-index.html | 2023-05-05 14:47:52 | |
| 0000109380-23-000114.txt | 2023-05-05 14:47:52 | |
 0000109380-23-000114-xbrl.zip | 1037067 | 2023-05-05 14:47:52 |
| exh101zions2023-2025vsp.htm | 34406 | 2023-05-05 14:47:52 |
| exh311certofceo10-q20230331.htm | 10443 | 2023-05-05 14:47:52 |
| exh312certofcfo10-q20230331.htm | 10186 | 2023-05-05 14:47:52 |
| exh32certofceocfo20230331.htm | 5996 | 2023-05-05 14:47:52 |
| FilingSummary.xml | 55744 | 2023-05-05 14:47:52 |
| Financial_Report.xlsx | 182747 | 2023-05-05 14:47:52 |
 image_0a.jpg | 73021 | 2023-05-05 14:47:52 |
| MetaLinks.json | 1191824 | 2023-05-05 14:47:52 |
| R1.htm | 61680 | 2023-05-05 14:47:52 |
| R10.htm | 26091 | 2023-05-05 14:47:52 |
| R11.htm | 135884 | 2023-05-05 14:47:52 |
| R12.htm | 64615 | 2023-05-05 14:47:52 |
| R13.htm | 261627 | 2023-05-05 14:47:52 |
| R14.htm | 1047574 | 2023-05-05 14:47:52 |
| R15.htm | 135692 | 2023-05-05 14:47:52 |
| R16.htm | 195722 | 2023-05-05 14:47:52 |
| R17.htm | 66934 | 2023-05-05 14:47:52 |
| R18.htm | 28136 | 2023-05-05 14:47:52 |
| R19.htm | 169084 | 2023-05-05 14:47:52 |
| R2.htm | 104660 | 2023-05-05 14:47:52 |
| R20.htm | 11021 | 2023-05-05 14:47:52 |
| R21.htm | 34046 | 2023-05-05 14:47:52 |
| R22.htm | 106288 | 2023-05-05 14:47:52 |
| R23.htm | 24506 | 2023-05-05 14:47:52 |
| R24.htm | 17681 | 2023-05-05 14:47:52 |
| R25.htm | 135162 | 2023-05-05 14:47:52 |
| R26.htm | 126002 | 2023-05-05 14:47:52 |
| R27.htm | 260651 | 2023-05-05 14:47:52 |
| R28.htm | 1031606 | 2023-05-05 14:47:52 |
| R29.htm | 141011 | 2023-05-05 14:47:52 |
| R3.htm | 18569 | 2023-05-05 14:47:52 |
| R30.htm | 37767 | 2023-05-05 14:47:52 |
| R31.htm | 71069 | 2023-05-05 14:47:52 |
| R32.htm | 16155 | 2023-05-05 14:47:52 |
| R33.htm | 139057 | 2023-05-05 14:47:52 |
| R34.htm | 35995 | 2023-05-05 14:47:52 |
| R35.htm | 100341 | 2023-05-05 14:47:52 |
| R36.htm | 11136 | 2023-05-05 14:47:52 |
| R37.htm | 74187 | 2023-05-05 14:47:52 |
| R38.htm | 22585 | 2023-05-05 14:47:52 |
| R39.htm | 6543 | 2023-05-05 14:47:52 |
| R4.htm | 121395 | 2023-05-05 14:47:52 |
| R40.htm | 22802 | 2023-05-05 14:47:52 |
| R41.htm | 125685 | 2023-05-05 14:47:52 |
| R42.htm | 20563 | 2023-05-05 14:47:52 |
| R43.htm | 61336 | 2023-05-05 14:47:52 |
| R44.htm | 125042 | 2023-05-05 14:47:52 |
| R45.htm | 53903 | 2023-05-05 14:47:52 |
| R46.htm | 19236 | 2023-05-05 14:47:52 |
| R47.htm | 16383 | 2023-05-05 14:47:52 |
| R48.htm | 41038 | 2023-05-05 14:47:52 |
| R49.htm | 71349 | 2023-05-05 14:47:52 |
| R5.htm | 30969 | 2023-05-05 14:47:52 |
| R50.htm | 50312 | 2023-05-05 14:47:52 |
| R51.htm | 40045 | 2023-05-05 14:47:52 |
| R52.htm | 11652 | 2023-05-05 14:47:52 |
| R53.htm | 144208 | 2023-05-05 14:47:52 |
| R54.htm | 387539 | 2023-05-05 14:47:52 |
| R55.htm | 64166 | 2023-05-05 14:47:52 |
| R56.htm | 29424 | 2023-05-05 14:47:52 |
| R57.htm | 60591 | 2023-05-05 14:47:52 |
| R58.htm | 179344 | 2023-05-05 14:47:52 |
| R59.htm | 27407 | 2023-05-05 14:47:52 |
| R6.htm | 62100 | 2023-05-05 14:47:52 |
| R60.htm | 37750 | 2023-05-05 14:47:52 |
| R61.htm | 51874 | 2023-05-05 14:47:52 |
| R62.htm | 37883 | 2023-05-05 14:47:52 |
| R63.htm | 11880 | 2023-05-05 14:47:52 |
| R64.htm | 14634 | 2023-05-05 14:47:52 |
| R65.htm | 19769 | 2023-05-05 14:47:52 |
| R66.htm | 22647 | 2023-05-05 14:47:52 |
| R67.htm | 19061 | 2023-05-05 14:47:52 |
| R68.htm | 10503 | 2023-05-05 14:47:52 |
| R69.htm | 15830 | 2023-05-05 14:47:52 |
| R7.htm | 4466 | 2023-05-05 14:47:52 |
| R70.htm | 13551 | 2023-05-05 14:47:52 |
| R71.htm | 23798 | 2023-05-05 14:47:52 |
| R72.htm | 33030 | 2023-05-05 14:47:52 |
| R73.htm | 27707 | 2023-05-05 14:47:52 |
| R74.htm | 14991 | 2023-05-05 14:47:52 |
| R75.htm | 17487 | 2023-05-05 14:47:52 |
| R76.htm | 136907 | 2023-05-05 14:47:52 |
| R77.htm | 6338 | 2023-05-05 14:47:52 |
| R78.htm | 50026 | 2023-05-05 14:47:52 |
| R79.htm | 9243 | 2023-05-05 14:47:52 |
| R8.htm | 94497 | 2023-05-05 14:47:52 |
| R80.htm | 77289 | 2023-05-05 14:47:52 |
| R9.htm | 8650 | 2023-05-05 14:47:52 |
| report.css | 2768 | 2023-05-05 14:47:52 |
| Show.js | 1086 | 2023-05-05 14:47:52 |
| zions-20230331.htm | 6469249 | 2023-05-05 14:47:52 |
| zions-20230331.xsd | 83131 | 2023-05-05 14:47:52 |
| zions-20230331_cal.xml | 201694 | 2023-05-05 14:47:52 |
| zions-20230331_def.xml | 528183 | 2023-05-05 14:47:52 |
 zions-20230331_g1.jpg | 18327 | 2023-05-05 14:47:52 |
 zions-20230331_g10.jpg | 73335 | 2023-05-05 14:47:52 |
 zions-20230331_g11.jpg | 55634 | 2023-05-05 14:47:52 |
 zions-20230331_g2.jpg | 18833 | 2023-05-05 14:47:52 |
 zions-20230331_g3.jpg | 18406 | 2023-05-05 14:47:52 |
 zions-20230331_g4.jpg | 19196 | 2023-05-05 14:47:52 |
 zions-20230331_g5.jpg | 71574 | 2023-05-05 14:47:52 |
 zions-20230331_g6.jpg | 66524 | 2023-05-05 14:47:52 |
 zions-20230331_g7.jpg | 61935 | 2023-05-05 14:47:52 |
 zions-20230331_g8.jpg | 56749 | 2023-05-05 14:47:52 |
 zions-20230331_g9.jpg | 66111 | 2023-05-05 14:47:52 |
| zions-20230331_htm.xml | 7526722 | 2023-05-05 14:47:52 |
| zions-20230331_lab.xml | 1038830 | 2023-05-05 14:47:52 |
| zions-20230331_pre.xml | 768475 | 2023-05-05 14:47:52 |