INVESTMENTS (Details) - EBP 006 - USD ($) |
1 Months Ended | 12 Months Ended | |
|---|---|---|---|
Feb. 28, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| EBP, Nonparticipant-Directed Investment [Line Items] | |||
| Net appreciation in fair value of investments | $ 241,065,567 | ||
| Contributions | $ 14,783,962 | ||
| Benefits paid directly to participants | 206,513,464 | ||
| Net Increase in Bank common stock | 212,778,312 | ||
| Beginning of year | 1,885,575,832 | ||
| End of year | 2,098,354,144 | $ 1,885,575,832 | |
| Zions Bancorporation, N.A. common stock | |||
| EBP, Nonparticipant-Directed Investment [Line Items] | |||
| Net appreciation in fair value of investments | 27,684,084 | 75,700,676 | |
| Dividends | 11,315,470 | 11,406,891 | |
| Interest on loans | 130,488 | 119,149 | |
| Contributions | 18,093,058 | 19,856,181 | |
| Net transfers to other investments | (20,115,784) | (35,548,957) | |
| Benefits paid directly to participants | 28,054,577 | 30,808,795 | |
| Net Increase in Bank common stock | 9,052,739 | 40,725,145 | |
| Beginning of year | 357,846,882 | 317,121,737 | |
| End of year | $ 366,899,621 | $ 357,846,882 | |
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- Definition Amount of decrease in net asset available for benefit from payment of benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, withdrawal. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase (decrease) in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) in net asset available for benefit from realized and unrealized gain (loss) on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in net asset available for benefit from contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in net asset available for benefit from dividend income on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in net asset available for benefit from interest income on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Excludes interest income on note receivable from participant. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of net asset available for benefit transferred to (from) employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from (to) external plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of asset less liability available to pay benefit of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, aggregation of participants' individual account balances. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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