v3.26.3
COMMITMENTS, CONTINGENCIES, AND GUARANTEES - Legal and Regulatory Proceedings (Narrative) (Details) - USD ($)
$ in Millions
9 Months Ended
May 09, 2023
Nov. 02, 2022
Sep. 30, 2026
Dec. 31, 2025
Loss Contingencies [Line Items]        
Accrued legal and regulatory liabilities     $ 18 $ 16
Estimate of possible loss (up to)     28 $ 38
Enterprise Financial Group | SC        
Loss Contingencies [Line Items]        
Loss contingency, damages sought, value     $ 11  
Litigation settlement, amount awarded to other party $ 11 $ 5    
Litigation settlement, amount awarded from other party $ 4 $ 4