v3.26.1
Liability For Future Policy Benefits (Benefit Reserves) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Total balance, EOP $ 134,347 $ 136,625    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Other adjustments [1] (39) 50    
Balance, EOP 312,691 323,982    
Total balance after reinsurance recoverable 172,540 181,355    
Retirement        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Balance, BOP 87,431 72,526    
Effect of cumulative changes in discount rate assumptions 14,178 14,545    
Balance at original discount rate 101,609 87,071    
Effect of actual variances from expected experience and other activity     $ 17 $ 22
Adjusted balance, BOP 101,626 87,093    
Issuances 1,587 4,148    
Net premiums / considerations collected (3,082) (1,559)    
Interest accrual 927 824    
Foreign currency adjustment (1,977) 2,777    
Other adjustments 0 0    
Balance at original discount rate 99,081 93,283    
Effect of cumulative changes in discount rate assumptions (17,517) (16,053)    
Total balance, EOP 81,564 77,230    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Balance, BOP 167,704 151,679    
Effect of cumulative changes in discount rate assumptions 17,769 20,199    
Balance at original discount rate, BOP 185,473 171,878    
Effect of actual variances from expected experience and other activity     26 0
Adjusted balance, BOP     185,499 171,878
Issuances 1,587 4,148    
Interest accrual 1,846 1,727    
Benefit payments (3,849) (3,647)    
Foreign currency adjustment (1,991) 2,806    
Other adjustments 91 32    
Balance at original discount rate, EOP 183,183 176,944    
Effect of cumulative changes in discount rate assumptions (22,213) (20,916)    
Balance, EOP 160,970 156,028    
Balance, EOP, pre-flooring 79,406 78,798    
Flooring impact, EOP 156 75    
Balance, EOP, post-flooring 79,562 78,873    
Less: Reinsurance recoverables 5,089 5,050    
Total balance after reinsurance recoverable 74,473 73,823    
Retirement | Gross Basis        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Undiscounted expected future gross premiums 170,594 158,816    
Discounted expected future gross premiums (at original discount rate) 106,657 100,852    
Discounted expected future gross premiums (at current discount rate) 87,531 83,236    
Undiscounted expected future benefits and expenses $ 298,309 $ 285,003    
Weighted-average duration of the liability in years (at original discount rate) 8 years 8 years    
Weighted-average duration of the liability in years (at current discount rate) 8 years 8 years    
Weighted-average interest rate (at original discount rate) 4.83% 4.75%    
Weighted-average interest rate (at current discount rate) 5.57% 5.49%    
Individual Life | Term Life        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Balance, BOP $ 10,637 $ 10,724    
Effect of cumulative changes in discount rate assumptions 280 578    
Balance at original discount rate 10,917 11,302    
Effect of actual variances from expected experience and other activity     (75) (62)
Adjusted balance, BOP 10,842 11,240    
Issuances 206 201    
Net premiums / considerations collected (339) (340)    
Interest accrual 131 133    
Foreign currency adjustment 0 0    
Other adjustments (16) 1    
Balance at original discount rate 10,824 11,235    
Effect of cumulative changes in discount rate assumptions (409) (460)    
Total balance, EOP 10,415 10,775    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Balance, BOP 19,166 18,996    
Effect of cumulative changes in discount rate assumptions 602 1,134    
Balance at original discount rate, BOP 19,768 20,130    
Effect of actual variances from expected experience and other activity     (95) (70)
Adjusted balance, BOP     19,673 20,060
Issuances 206 201    
Interest accrual 237 238    
Benefit payments (375) (392)    
Foreign currency adjustment 0 0    
Other adjustments (7) 0    
Balance at original discount rate, EOP 19,734 20,107    
Effect of cumulative changes in discount rate assumptions (874) (920)    
Balance, EOP 18,860 19,187    
Balance, EOP, pre-flooring 8,445 8,411    
Flooring impact, EOP 2 0    
Balance, EOP, post-flooring 8,447 8,411    
Less: Reinsurance recoverables 618 655    
Total balance after reinsurance recoverable 7,829 7,756    
Individual Life | Term Life | Gross Basis        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Undiscounted expected future gross premiums 22,983 22,905    
Discounted expected future gross premiums (at original discount rate) 15,529 15,602    
Discounted expected future gross premiums (at current discount rate) 14,999 15,008    
Undiscounted expected future benefits and expenses $ 30,521 $ 31,022    
Weighted-average duration of the liability in years (at original discount rate) 9 years 10 years    
Weighted-average duration of the liability in years (at current discount rate) 9 years 9 years    
Weighted-average interest rate (at original discount rate) 5.11% 5.13%    
Weighted-average interest rate (at current discount rate) 5.48% 5.44%    
International Businesses        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Balance, BOP $ 41,359 $ 45,851    
Effect of cumulative changes in discount rate assumptions 3,431 2,599    
Balance at original discount rate 44,790 48,450    
Effect of actual variances from expected experience and other activity     (306) (303)
Adjusted balance, BOP 44,484 48,147    
Issuances 525 768    
Net premiums / considerations collected (1,749) (1,893)    
Interest accrual 349 368    
Foreign currency adjustment (168) 1,264    
Other adjustments 28 43    
Balance at original discount rate 43,469 48,697    
Effect of cumulative changes in discount rate assumptions (4,016) (3,029)    
Total balance, EOP 39,453 45,668    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Balance, BOP 125,543 135,485    
Effect of cumulative changes in discount rate assumptions 26,267 17,834    
Balance at original discount rate, BOP 151,810 153,319    
Effect of actual variances from expected experience and other activity     (309) (337)
Adjusted balance, BOP     151,501 152,982
Issuances 525 768    
Interest accrual 1,172 1,173    
Benefit payments (2,844) (2,208)    
Foreign currency adjustment (790) 4,169    
Other adjustments 80 105    
Balance at original discount rate, EOP 149,644 156,989    
Effect of cumulative changes in discount rate assumptions (29,712) (21,001)    
Balance, EOP 119,932 135,988    
Balance, EOP, pre-flooring 80,479 90,320    
Flooring impact, EOP 91 41    
Balance, EOP, post-flooring 80,570 90,361    
Less: Reinsurance recoverables 292 353    
Total balance after reinsurance recoverable 80,278 90,008    
International Businesses | Gross Basis        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Undiscounted expected future gross premiums 100,069 109,182    
Discounted expected future gross premiums (at original discount rate) 77,692 85,647    
Discounted expected future gross premiums (at current discount rate) 70,888 80,722    
Undiscounted expected future benefits and expenses $ 246,815 $ 258,029    
Weighted-average duration of the liability in years (at original discount rate) 17 years 17 years    
Weighted-average duration of the liability in years (at current discount rate) 13 years 15 years    
Weighted-average interest rate (at original discount rate) 3.06% 3.00%    
Weighted-average interest rate (at current discount rate) 4.77% 3.89%    
Corporate and Other | Long- Term Care        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Balance, BOP $ 2,868 $ 2,854    
Effect of cumulative changes in discount rate assumptions 64 132    
Balance at original discount rate 2,932 2,986    
Effect of actual variances from expected experience and other activity     21 19
Adjusted balance, BOP 2,953 3,005    
Issuances 0 0    
Net premiums / considerations collected (82) (80)    
Interest accrual 35 36    
Foreign currency adjustment 0 0    
Other adjustments 0 0    
Balance at original discount rate 2,906 2,961    
Effect of cumulative changes in discount rate assumptions (103) (102)    
Total balance, EOP 2,803 2,859    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Balance, BOP 11,660 11,178    
Effect of cumulative changes in discount rate assumptions 1,435 1,548    
Balance at original discount rate, BOP 13,095 12,726    
Effect of actual variances from expected experience and other activity     20 19
Adjusted balance, BOP     13,115 12,745
Issuances 0 0    
Interest accrual 157 153    
Benefit payments (100) (87)    
Foreign currency adjustment 0 0    
Other adjustments 0 0    
Balance at original discount rate, EOP 13,172 12,811    
Effect of cumulative changes in discount rate assumptions (1,726) (1,525)    
Balance, EOP 11,446 11,286    
Balance, EOP, pre-flooring 8,643 8,427    
Flooring impact, EOP 0 0    
Balance, EOP, post-flooring 8,643 8,427    
Less: Reinsurance recoverables 0 0    
Total balance after reinsurance recoverable 8,643 8,427    
Corporate and Other | Long- Term Care | Gross Basis        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Undiscounted expected future gross premiums 6,316 6,725    
Discounted expected future gross premiums (at original discount rate) 4,281 4,494    
Discounted expected future gross premiums (at current discount rate) 4,140 4,349    
Undiscounted expected future benefits and expenses $ 29,421 $ 29,618    
Weighted-average duration of the liability in years (at original discount rate) 16 years 17 years    
Weighted-average duration of the liability in years (at current discount rate) 14 years 15 years    
Weighted-average interest rate (at original discount rate) 4.91% 4.91%    
Weighted-average interest rate (at current discount rate) 5.98% 5.84%    
Other businesses        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Total balance, EOP $ 112 $ 93    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Balance, EOP 1,483 1,493    
Less: Reinsurance recoverables 54 59    
Total balance after reinsurance recoverable 1,317 1,341    
Total        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Balance, BOP 142,295 131,955    
Effect of cumulative changes in discount rate assumptions 17,953 17,854    
Balance at original discount rate 160,248 149,809    
Effect of actual variances from expected experience and other activity     (343) (324)
Adjusted balance, BOP 159,905 149,485    
Issuances 2,318 5,117    
Net premiums / considerations collected (5,252) (3,872)    
Interest accrual 1,442 1,361    
Foreign currency adjustment (2,145) 4,041    
Other adjustments 12 44    
Balance at original discount rate 156,280 156,176    
Effect of cumulative changes in discount rate assumptions (22,045) (19,644)    
Total balance, EOP 134,235 136,532    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Balance, BOP 324,073 317,338    
Effect of cumulative changes in discount rate assumptions 46,073 40,715    
Balance at original discount rate, BOP 370,146 358,053    
Effect of actual variances from expected experience and other activity     (358) (388)
Adjusted balance, BOP     $ 369,788 $ 357,665
Issuances 2,318 5,117    
Interest accrual 3,412 3,291    
Benefit payments (7,168) (6,334)    
Foreign currency adjustment (2,781) 6,975    
Other adjustments 164 137    
Balance at original discount rate, EOP 365,733 366,851    
Effect of cumulative changes in discount rate assumptions (54,525) (44,362)    
Balance, EOP 311,208 322,489    
Balance, EOP, pre-flooring 176,973 185,956    
Flooring impact, EOP 249 116    
Balance, EOP, post-flooring 177,222 186,072    
Less: Reinsurance recoverables 5,999 6,058    
Total balance after reinsurance recoverable 171,223 $ 180,014    
Nonparticipating Traditional and Limited-Pay Business        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Loss in net income $ 54      
[1] See Note 20 for additional information regarding related party transactions.