v3.26.1
Future Policy Benefits - Balances of changes in liability for future policy benefits (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Present value of expected net premiums        
Balance, beginning of year $ 9,190 $ 9,158    
Effect of changes in discount rate assumptions (AOCI) 538 858    
Reclassified due to reinsurance recapture   0    
Beginning balance at original discount rate 9,728 10,016    
Effect of actual variances from expected experience     $ 0 $ (1)
Adjusted beginning of year balance 9,728 10,015    
Issuances 177 154    
Interest accrual 95 99    
Net premium collected (296) (287)    
Other 0 0    
Ending balance at original discount rate 9,704 9,981    
Effect of changes in discount rate assumptions (AOCI) (646) (736)    
Balance, end of period 9,058 9,245    
Present value of expected future policy benefits        
Balance, beginning of year 61,592 57,009    
Effect of changes in discount rate assumptions (AOCI) 5,836 6,630    
Reclassified due to reinsurance recapture       0
Beginning balance at original discount rate 67,428 63,639    
Effect of actual variances from expected experience     (1) (14)
Adjusted beginning of year balance 67,427 63,625    
Issuances 215 673    
Interest accrual 745 695    
Benefit payments (1,232) (1,150)    
Foreign exchange impact (246) 288    
Other 0 (4)    
Ending balance at original discount rate 66,909 64,127    
Effect of changes in discount rate assumptions (AOCI) (7,087) (6,265)    
Balance, end of period 59,822 57,862    
Net liability for future policy benefits, end of period 50,764 48,617    
Liability for future policy benefits for certain participating contracts 1,222 1,262    
Liability for universal life policies 4,244 4,149    
Deferred profit liability 2,474 2,508    
Other reconciling items 500 550    
Future policy benefits for life and accident and health insurance contracts 59,204 57,086 60,971  
Less: Reinsurance recoverable: (20,385) (20,870)    
Net liability for future policy benefits after reinsurance recoverable 38,819 36,216    
Individual Retirement        
Present value of expected net premiums        
Balance, beginning of year 0 0    
Effect of changes in discount rate assumptions (AOCI) 0 0    
Reclassified due to reinsurance recapture   0    
Beginning balance at original discount rate 0 0    
Effect of actual variances from expected experience     0 0
Adjusted beginning of year balance 0 0    
Issuances 0 0    
Interest accrual 0 0    
Net premium collected 0 0    
Other 0 0    
Ending balance at original discount rate 0 0    
Effect of changes in discount rate assumptions (AOCI) 0 0    
Balance, end of period 0 0    
Present value of expected future policy benefits        
Balance, beginning of year 1,173 1,130    
Effect of changes in discount rate assumptions (AOCI) 110 145    
Reclassified due to reinsurance recapture       0
Beginning balance at original discount rate 1,283 1,275    
Effect of actual variances from expected experience     (9) (8)
Adjusted beginning of year balance 1,274 1,267    
Issuances 14 19    
Interest accrual 13 12    
Benefit payments (30) (29)    
Foreign exchange impact 0 0    
Other 0 (1)    
Ending balance at original discount rate 1,271 1,268    
Effect of changes in discount rate assumptions (AOCI) (121) (127)    
Balance, end of period 1,150 1,141    
Net liability for future policy benefits, end of period 1,150 1,141    
Liability for future policy benefits for certain participating contracts 0 0    
Liability for universal life policies 0 0    
Deferred profit liability 31 36    
Other reconciling items 14 15    
Future policy benefits for life and accident and health insurance contracts 1,195 1,192    
Less: Reinsurance recoverable: (5) (4)    
Net liability for future policy benefits after reinsurance recoverable $ 1,190 $ 1,188    
Weighted average liability duration of the liability for future policy benefits (in years) 7 years 2 months 12 days 7 years 4 months 24 days    
Group Retirement        
Present value of expected net premiums        
Balance, beginning of year $ 0 $ 0    
Effect of changes in discount rate assumptions (AOCI) 0 0    
Reclassified due to reinsurance recapture   0    
Beginning balance at original discount rate 0 0    
Effect of actual variances from expected experience     0 0
Adjusted beginning of year balance 0 0    
Issuances 0 0    
Interest accrual 0 0    
Net premium collected 0 0    
Other 0 0    
Ending balance at original discount rate 0 0    
Effect of changes in discount rate assumptions (AOCI) 0 0    
Balance, end of period 0 0    
Present value of expected future policy benefits        
Balance, beginning of year 291 202    
Effect of changes in discount rate assumptions (AOCI) (5) 3    
Reclassified due to reinsurance recapture       102
Beginning balance at original discount rate 286 307    
Effect of actual variances from expected experience     0 2
Adjusted beginning of year balance 286 309    
Issuances 2 3    
Interest accrual 4 4    
Benefit payments (11) (11)    
Foreign exchange impact 0 0    
Other 0 (2)    
Ending balance at original discount rate 281 303    
Effect of changes in discount rate assumptions (AOCI) 2 1    
Balance, end of period 283 304    
Net liability for future policy benefits, end of period 283 304    
Liability for future policy benefits for certain participating contracts 0 0    
Liability for universal life policies 0 0    
Deferred profit liability 20 23    
Other reconciling items 0 0    
Future policy benefits for life and accident and health insurance contracts 303 327    
Less: Reinsurance recoverable: 0 0    
Net liability for future policy benefits after reinsurance recoverable $ 303 $ 327    
Weighted average liability duration of the liability for future policy benefits (in years) 5 years 10 months 24 days 6 years    
Life Insurance        
Present value of expected net premiums        
Balance, beginning of year $ 8,365 $ 8,287    
Effect of changes in discount rate assumptions (AOCI) 504 797    
Reclassified due to reinsurance recapture   0    
Beginning balance at original discount rate 8,869 9,084    
Effect of actual variances from expected experience     4 (1)
Adjusted beginning of year balance 8,873 9,083    
Issuances 171 154    
Interest accrual 86 89    
Net premium collected (265) (260)    
Other 0 0    
Ending balance at original discount rate 8,865 9,066    
Effect of changes in discount rate assumptions (AOCI) (602) (686)    
Balance, end of period 8,263 8,380    
Present value of expected future policy benefits        
Balance, beginning of year 17,209 16,947    
Effect of changes in discount rate assumptions (AOCI) 1,261 1,720    
Reclassified due to reinsurance recapture       0
Beginning balance at original discount rate 18,470 18,667    
Effect of actual variances from expected experience     5 2
Adjusted beginning of year balance 18,475 18,669    
Issuances 170 153    
Interest accrual 197 200    
Benefit payments (404) (395)    
Foreign exchange impact 0 0    
Other 0 0    
Ending balance at original discount rate 18,438 18,627    
Effect of changes in discount rate assumptions (AOCI) (1,510) (1,482)    
Balance, end of period 16,928 17,145    
Net liability for future policy benefits, end of period 8,665 8,765    
Liability for future policy benefits for certain participating contracts 11 12    
Liability for universal life policies 4,190 4,095    
Deferred profit liability 26 23    
Other reconciling items 380 429    
Future policy benefits for life and accident and health insurance contracts 13,272 13,324    
Less: Reinsurance recoverable: (656) (665)    
Net liability for future policy benefits after reinsurance recoverable $ 12,616 $ 12,659    
Weighted average liability duration of the liability for future policy benefits (in years) 10 years 1 month 6 days 10 years 8 months 12 days    
Institutional Markets        
Present value of expected net premiums        
Balance, beginning of year $ 0 $ 0    
Effect of changes in discount rate assumptions (AOCI) 0 0    
Reclassified due to reinsurance recapture   0    
Beginning balance at original discount rate 0 0    
Effect of actual variances from expected experience     0 0
Adjusted beginning of year balance 0 0    
Issuances 0 0    
Interest accrual 0 0    
Net premium collected 0 0    
Other 0 0    
Ending balance at original discount rate 0 0    
Effect of changes in discount rate assumptions (AOCI) 0 0    
Balance, end of period 0 0    
Present value of expected future policy benefits        
Balance, beginning of year 24,147 19,487    
Effect of changes in discount rate assumptions (AOCI) 3,290 3,206    
Reclassified due to reinsurance recapture       259
Beginning balance at original discount rate 27,437 22,952    
Effect of actual variances from expected experience     9 5
Adjusted beginning of year balance 27,446 22,957    
Issuances 20 490    
Interest accrual 296 238    
Benefit payments (422) (340)    
Foreign exchange impact (246) 288    
Other 0 0    
Ending balance at original discount rate 27,094 23,633    
Effect of changes in discount rate assumptions (AOCI) (3,973) (3,404)    
Balance, end of period 23,121 20,229    
Net liability for future policy benefits, end of period 23,121 20,229    
Liability for future policy benefits for certain participating contracts 0 0    
Liability for universal life policies 0 0    
Deferred profit liability 1,641 1,615    
Other reconciling items 0 0    
Future policy benefits for life and accident and health insurance contracts 24,762 21,844    
Less: Reinsurance recoverable: (52) (40)    
Net liability for future policy benefits after reinsurance recoverable $ 24,710 $ 21,804    
Weighted average liability duration of the liability for future policy benefits (in years) 10 years 8 months 12 days 11 years    
Corporate & Other        
Present value of expected net premiums        
Balance, beginning of year $ 825 $ 871    
Effect of changes in discount rate assumptions (AOCI) 34 61    
Reclassified due to reinsurance recapture   0    
Beginning balance at original discount rate 859 932    
Effect of actual variances from expected experience     (4) 0
Adjusted beginning of year balance 855 932    
Issuances 6 0    
Interest accrual 9 10    
Net premium collected (31) (27)    
Other 0 0    
Ending balance at original discount rate 839 915    
Effect of changes in discount rate assumptions (AOCI) (44) (50)    
Balance, end of period 795 865    
Present value of expected future policy benefits        
Balance, beginning of year 18,772 19,243    
Effect of changes in discount rate assumptions (AOCI) 1,180 1,556    
Reclassified due to reinsurance recapture       (361)
Beginning balance at original discount rate 19,952 20,438    
Effect of actual variances from expected experience     $ (6) $ (15)
Adjusted beginning of year balance 19,946 20,423    
Issuances 9 8    
Interest accrual 235 241    
Benefit payments (365) (375)    
Foreign exchange impact 0 0    
Other 0 (1)    
Ending balance at original discount rate 19,825 20,296    
Effect of changes in discount rate assumptions (AOCI) (1,485) (1,253)    
Balance, end of period 18,340 19,043    
Net liability for future policy benefits, end of period 17,545 18,178    
Liability for future policy benefits for certain participating contracts 1,211 1,250    
Liability for universal life policies 54 54    
Deferred profit liability 756 811    
Other reconciling items 106 106    
Future policy benefits for life and accident and health insurance contracts 19,672 20,399    
Less: Reinsurance recoverable: (19,672) (20,161)    
Net liability for future policy benefits after reinsurance recoverable $ 0 $ 238    
Weighted average liability duration of the liability for future policy benefits (in years) 10 years 1 month 6 days 10 years 7 months 6 days