v3.26.1
SIGNIFICANT ACCOUNTING POLICIES (Details) - EBP 006 - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Accounting Policy [Line Items]    
Note receivable from participant, interest and dividends $ 2,164,155 $ 1,833,690
Note receivable from participant, allowance for credit loss 0 0
Investments, at fair value $ 2,053,982,162 $ 1,842,058,039
Employer common stock Investments, percentage of ownership 4.20% 4.40%
Zions Bancorporation, N.A. common stock    
EBP, Accounting Policy [Line Items]    
Investments, at fair value $ 366,899,621 $ 357,846,882
Investment, at fair value (in shares) 6,265,968 6,578,851