v3.25.4
GOODWILL AND OTHER INTANGIBLE ASSETS (Schedule Of Goodwill) (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Goodwill [Line Items]    
Goodwill $ 1,060 $ 1,027
Core deposits and other intangibles, net of accumulated amortization 31 25
Goodwill and intangibles 1,091 1,052
Amegy    
Goodwill [Line Items]    
Goodwill 615 615
CB&T    
Goodwill [Line Items]    
Goodwill 412 379
Zions Bank    
Goodwill [Line Items]    
Goodwill 20 20
Nevada State Bank    
Goodwill [Line Items]    
Goodwill $ 13 $ 13