v3.26.1
GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Feb. 01, 2026
Dec. 31, 2025
Goodwill [Line Items]      
Preliminary goodwill $ 9,527   $ 5,997
Cadence      
Goodwill [Line Items]      
Preliminary goodwill   $ 3,497  
Servicing rights and other intangible assets   1,005  
Cadence | Core deposit intangible      
Goodwill [Line Items]      
Servicing rights and other intangible assets   $ 855