v3.26.1
Equity (Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning Balance $ 32,319 $ 30,203 $ 32,787 $ 28,187
Income tax benefit (expense) 103 (143) (127) (538)
Ending Balance 31,935 30,903 31,935 30,903
Foreign  Currency Translation Adjustment        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning Balance     (3,183) (3,615)
Change in OCI before reclassifications     (157) 806
Amounts reclassified from AOCI     (12) (20)
Income tax benefit (expense)     (50) 80
Ending Balance (3,402) (2,749) (3,402) (2,749)
Total net unrealized investment gains (losses)        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning Balance     (18,789) (18,687)
Change in OCI before reclassifications     (5,312) (2,132)
Amounts reclassified from AOCI     1,030 511
Income tax benefit (expense)     903 604
Ending Balance (22,168) (19,704) (22,168) (19,704)
Interest rate remeasurement of Liability for Future Policy Benefits        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning Balance     21,039 17,306
Change in OCI before reclassifications     3,545 3,983
Amounts reclassified from AOCI     0 0
Income tax benefit (expense)     (969) (1,187)
Ending Balance 23,615 20,102 23,615 20,102
Gains (Losses) from Changes in Non-performance Risk on Market Risk Benefits        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning Balance     378 532
Change in OCI before reclassifications     15 172
Amounts reclassified from AOCI     0 0
Income tax benefit (expense)     (3) (36)
Ending Balance 390 668 390 668
Pension and Postretirement Unrecognized Net Periodic Benefit (Cost)        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning Balance     (2,522) (2,247)
Change in OCI before reclassifications     0 (5)
Amounts reclassified from AOCI     35 13
Income tax benefit (expense)     (8) 1
Ending Balance (2,495) (2,238) (2,495) (2,238)
Accumulated Other Comprehensive Income (Loss)        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning Balance (3,450) (4,741) (3,077) (6,711)
Change in OCI before reclassifications     (1,909) 2,824
Amounts reclassified from AOCI     1,053 504
Income tax benefit (expense)     (127) (538)
Ending Balance (4,060) (3,921) (4,060) (3,921)
Cash Flow Hedging | Total net unrealized investment gains (losses)        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning Balance     (231) 1,780
Ending Balance 141 (597) 141 (597)
Fair Value Hedging | Total net unrealized investment gains (losses)        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning Balance     (123) (64)
Ending Balance $ (136) $ (168) $ (136) $ (168)