v3.26.1
TRANSACTIONS WITH PARTIES-IN-INTEREST (Details) - EBP 006 - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
EBP, Related Party and Party-in-Interest Transactions [Line Items]      
Net assets available for benefits $ 2,098,354,144 $ 1,885,575,832  
Party-in-Interest      
EBP, Related Party and Party-in-Interest Transactions [Line Items]      
Net assets available for benefits 808,718,351 711,529,168  
Zions Bancorporation, N.A. common stock      
EBP, Related Party and Party-in-Interest Transactions [Line Items]      
Dividends 11,315,470 11,406,891  
Investment acquired, excluding plan interest in master trust, cost 50,645,341    
Investment sold, excluding plan interest in master trust, selling price 68,422,306    
Investment acquired, excluding plan interest in master trust, cost, exchanges made by other participants 19,765,063    
Net assets available for benefits $ 366,899,621 $ 357,846,882 $ 317,121,737