v3.25.4
Policyholder Account Balances, Future Policy Benefits and Claims - Balance of and Changes in Policyholder Account Balances (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Policyholder Account Balance [Roll Forward]    
Beginning balance $ 32,542 $ 27,947
Contract deposits 4,602 4,832
Policy charges (400) (407)
Surrenders and other benefits (2,424) (2,266)
Net transfer from (to) separate account liabilities (163) (177)
Variable account index-linked adjustments 2,206 1,968
Interest credited 642 645
Ending balance 37,005 32,542
Variable Annuities    
Policyholder Account Balance [Roll Forward]    
Beginning balance 3,680 4,173
Contract deposits 57 56
Policy charges (13) (14)
Surrenders and other benefits (486) (628)
Net transfer from (to) separate account liabilities (31) (32)
Variable account index-linked adjustments 0 0
Interest credited 113 125
Ending balance $ 3,320 $ 3,680
Weighted-average crediting rate 3.30% 3.30%
Cash surrender value $ 3,302 $ 3,658
Structured Variable Annuities    
Policyholder Account Balance [Roll Forward]    
Beginning balance 16,330 10,742
Contract deposits 3,816 4,005
Policy charges (4) (3)
Surrenders and other benefits (846) (383)
Net transfer from (to) separate account liabilities 0 0
Variable account index-linked adjustments 2,206 1,968
Interest credited 2 1
Ending balance $ 21,504 $ 16,330
Weighted-average crediting rate 1.90% 1.90%
Cash surrender value $ 20,582 $ 15,467
Fixed Annuities    
Policyholder Account Balance [Roll Forward]    
Beginning balance 5,369 5,982
Contract deposits 35 39
Policy charges 0 0
Surrenders and other benefits (677) (856)
Net transfer from (to) separate account liabilities 0 0
Variable account index-linked adjustments 0 0
Interest credited 191 204
Ending balance $ 4,918 $ 5,369
Weighted-average crediting rate 3.80% 3.70%
Cash surrender value $ 4,916 $ 5,365
Fixed Indexed Annuities    
Policyholder Account Balance [Roll Forward]    
Beginning balance 305 307
Contract deposits 0 0
Policy charges 0 0
Surrenders and other benefits (26) (16)
Net transfer from (to) separate account liabilities 0 0
Variable account index-linked adjustments 0 0
Interest credited 10 14
Ending balance $ 289 $ 305
Weighted-average crediting rate 2.10% 2.00%
Cash surrender value $ 272 $ 279
Non-Life Contingent Payout Annuities    
Policyholder Account Balance [Roll Forward]    
Beginning balance 447 444
Contract deposits 73 101
Policy charges 0 0
Surrenders and other benefits (99) (110)
Net transfer from (to) separate account liabilities 0 0
Variable account index-linked adjustments 0 0
Interest credited 14 12
Ending balance 435 447
Universal Life Insurance    
Policyholder Account Balance [Roll Forward]    
Beginning balance 1,405 1,474
Contract deposits 138 117
Policy charges (169) (173)
Surrenders and other benefits (72) (62)
Net transfer from (to) separate account liabilities 0 0
Variable account index-linked adjustments 0 0
Interest credited 47 49
Ending balance $ 1,349 $ 1,405
Weighted-average crediting rate 3.60% 3.60%
Net amount at risk $ 7,944 $ 8,312
Cash surrender value 1,241 1,280
Variable Universal Life Insurance    
Policyholder Account Balance [Roll Forward]    
Beginning balance 1,647 1,569
Contract deposits 318 333
Policy charges (91) (93)
Surrenders and other benefits (102) (80)
Net transfer from (to) separate account liabilities (132) (145)
Variable account index-linked adjustments 0 0
Interest credited 65 63
Ending balance $ 1,705 $ 1,647
Weighted-average crediting rate 3.90% 3.90%
Net amount at risk $ 57,269 $ 57,473
Cash surrender value 1,109 1,092
Indexed Universal Life Insurance    
Policyholder Account Balance [Roll Forward]    
Beginning balance 2,894 2,755
Contract deposits 165 181
Policy charges (123) (124)
Surrenders and other benefits (71) (79)
Net transfer from (to) separate account liabilities 0 0
Variable account index-linked adjustments 0 0
Interest credited 183 161
Ending balance $ 3,048 $ 2,894
Weighted-average crediting rate 3.00% 2.30%
Net amount at risk $ 13,040 $ 13,593
Cash surrender value 2,640 2,447
Other Life Insurance    
Policyholder Account Balance [Roll Forward]    
Beginning balance 465 501
Contract deposits 0 0
Policy charges 0 0
Surrenders and other benefits (45) (52)
Net transfer from (to) separate account liabilities 0 0
Variable account index-linked adjustments 0 0
Interest credited 17 16
Ending balance $ 437 $ 465
Weighted-average crediting rate 4.00% 4.00%
Net amount at risk $ 121 $ 130
Cash surrender value $ 274 $ 298