v3.25.4
OTHER COMPREHENSIVE INCOME (LOSS) - Schedule of Components of Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance beginning of period $ 13,875 $ 13,202  
Current period change 1,086 (204) $ 1,063
Balance end of period 15,461 13,875 13,202
URA(D) of securities      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance beginning of period (831) (723)  
Current period change 854 (109)  
Balance end of period 23 (831) (723)
Foreign Currency Translation Adjustment      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance beginning of period (323) (195)  
Current period change 242 (128)  
Balance end of period (81) (323) (195)
Benefit plan net gain (loss)      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance beginning of period 16 (16)  
Current period change (10) 33  
Balance end of period 6 16 (16)
Accumulated Other Comprehensive Income (Loss)      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance beginning of period (1,138) (934) (1,996)
Current period change 1,086 (204) 1,063
Balance end of period $ (52) $ (1,138) $ (934)