v3.26.3
OTHER COMPREHENSIVE INCOME (LOSS) - Schedule of Components of Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance beginning of period     $ 15,461  
Current period change $ (882) $ 167 (1,262) $ 984
Balance ending of period 14,252 15,375 14,252 15,375
Accumulated Other Comprehensive Income (Loss)        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance beginning of period (432) (321) (52) (1,138)
Current period change (882) 167 (1,262) 984
Balance ending of period (1,314) (154) (1,314) (154)
URA(D) of securities        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance beginning of period (324) (235) 23 (831)
Current period change (891) 165 (1,238) 762
Balance ending of period (1,215) (69) (1,215) (69)
Foreign currency translation and other adjustments        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance beginning of period (113) (95) (81) (323)
Current period change 9 1 (23) 230
Balance ending of period (104) (93) (104) (93)
Benefit plan net gain (loss)        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance beginning of period 5 8 6 16
Current period change 0 0 (1) (8)
Balance ending of period $ 5 $ 8 $ 5 $ 8