v3.26.1
Policyholder Account Balances - LDTI Rollforward (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Policyholder Account Balance [Roll Forward]    
Balance, beginning of period $ 104,091  
Balance, end of period 106,376  
Group Life    
Policyholder Account Balance [Roll Forward]    
Balance, beginning of period 10,197  
Deposits 2,368 $ 1,874
Policy charges (333) (336)
Surrenders and withdrawals (2,055) (1,836)
Benefit payments (6) (5)
Net transfers from (to) separate accounts 0 1
Interest credited 126 131
Balance, end of period $ 10,297 $ 10,382
Weighted-average annual crediting rate 2.50% 2.50%
Cash surrender value $ 10,225 $ 10,317
Group Life | Previously Reported    
Policyholder Account Balance [Roll Forward]    
Balance, beginning of period   7,469
Group Life | Reclassification, Segmentation Basis Change    
Policyholder Account Balance [Roll Forward]    
Balance, beginning of period 0 3,084
Group Life | In the event of death    
Policyholder Account Balance [Roll Forward]    
Net amount at risk 269,231 267,754
Capital Markets Investment Products and Stable Value GICs    
Policyholder Account Balance [Roll Forward]    
Balance, beginning of period 59,278 57,799
Deposits 36,936 38,786
Surrenders and withdrawals (35,423) (39,018)
Interest credited 1,066 1,070
Effect of foreign currency translation and other, net (439) 1,736
Balance, end of period $ 61,418 $ 60,373
Weighted-average annual crediting rate 3.60% 3.70%
Cash surrender value $ 1,414 $ 849
Annuities and Risk Solutions    
Policyholder Account Balance [Roll Forward]    
Balance, beginning of period 15,671  
Deposits 1,107 663
Policy charges (93) (91)
Surrenders and withdrawals (610) (301)
Benefit payments (334) (316)
Net transfers from (to) separate accounts 1 32
Interest credited 325 304
Other 321 17
Balance, end of period $ 16,388 $ 15,090
Weighted-average annual crediting rate 4.10% 4.10%
Cash surrender value $ 11,603 $ 10,615
Annuities and Risk Solutions | Previously Reported    
Policyholder Account Balance [Roll Forward]    
Balance, beginning of period   11,673
Annuities and Risk Solutions | Reclassification, Segmentation Basis Change    
Policyholder Account Balance [Roll Forward]    
Balance, beginning of period 0 3,109
Annuities and Risk Solutions | In the event of death    
Policyholder Account Balance [Roll Forward]    
Net amount at risk 35,024 35,977
Annuities and Risk Solutions | At annuitization or exercise of other living benefits    
Policyholder Account Balance [Roll Forward]    
Net amount at risk 18 12
Fixed Annuity    
Policyholder Account Balance [Roll Forward]    
Balance, beginning of period 5,788  
Deposits 52 49
Policy charges (4) (5)
Surrenders and withdrawals (382) (426)
Benefit payments (133) (166)
Net transfers from (to) separate accounts 58 70
Interest credited 85 95
Other 2 1
Balance, end of period $ 5,466 $ 6,022
Weighted-average annual crediting rate 3.10% 3.10%
Cash surrender value $ 4,953 $ 5,453
Fixed Annuity | Previously Reported    
Policyholder Account Balance [Roll Forward]    
Balance, beginning of period   9,513
Fixed Annuity | Reclassification, Segmentation Basis Change    
Policyholder Account Balance [Roll Forward]    
Balance, beginning of period 0 (3,109)
Fixed Annuity | In the event of death    
Policyholder Account Balance [Roll Forward]    
Net amount at risk 2,114 2,413
Fixed Annuity | At annuitization or exercise of other living benefits    
Policyholder Account Balance [Roll Forward]    
Net amount at risk $ 694 $ 680