v3.26.3
COMMITMENTS AND CONTINGENT LIABILITIES - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2026
Dec. 31, 2025
Nov. 30, 2020
Loss Contingencies [Line Items]      
Bond expiration period 2 years    
Maximum amount guaranteed $ 405 $ 366  
Donelon v. Americas Insurance Co. and Cadence Bank v. Bostick | Pending Litigation | Cadence      
Loss Contingencies [Line Items]      
Loans receivable subject to regulatory action     $ 8
Minimum      
Loss Contingencies [Line Items]      
Estimate of possible loss 0    
Maximum      
Loss Contingencies [Line Items]      
Estimate of possible loss 70    
Standby letters of credit and guarantees on industrial revenue bonds      
Loss Contingencies [Line Items]      
Carrying amount of deferred revenue associated with guarantees $ 46 $ 31