v3.26.1
Accumulated Other Comprehensive Income - Schedule of Reclassifications Out of AOCI (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Interest income — Loans $ 1,416 $ 1,401
Interest expense — Long-term debt (151) (193)
Other expense (179) (185)
INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES 658 515
Income taxes 136 109
Income (loss) from continuing operations 522 406
Reclassification out of Accumulated Other Comprehensive Income | Unrealized gains (losses) on derivative financial instruments    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Interest income — Loans (36) (93)
Interest expense — Long-term debt (1) (1)
INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES (37) (94)
Income taxes (9) (23)
Income (loss) from continuing operations (28) (71)
Reclassification out of Accumulated Other Comprehensive Income | Net pension and postretirement benefit costs    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES (2) (2)
Income taxes 0 0
Income (loss) from continuing operations (2) (2)
Reclassification out of Accumulated Other Comprehensive Income | Amortization of losses    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Other expense $ (2) $ (2)