v3.26.1
Fair Value Measurements - Schedule of Balances of Level 3 Assets and Liabilities Measured at Fair Value with Corresponding Pricing Sources (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Assets    
Debt securities $ 51,948 $ 50,791
Equity securities 243 172
Mortgage loans 196 324
Limited partnerships 276 250
Policy loans 4,431 4,426
Reinsurance recoverable on market risk benefits 18,926 19,518
Market risk benefit assets 6,701 7,867
Total 292,733 305,707
Liabilities    
Funds withheld payable under reinsurance treaties 14,511 14,960
Market risk benefit liabilities 3,971 3,754
Total 15,048 15,466
Freestanding derivative instruments 701 448
Corporate securities    
Assets    
Debt securities 33,108 32,916
Other asset-backed securities    
Assets    
Debt securities 6,027 5,388
Derivatives related to funds withheld under reinsurance treaties    
Liabilities    
Freestanding derivative instruments 1,784 1,770
Derivatives related to funds withheld under reinsurance treaties | Funds withheld embedded derivative    
Liabilities    
Freestanding derivative instruments 1,765 1,752
Level 3    
Assets    
Equity securities 9 7
Mortgage loans 196 324
Limited partnerships 276 250
Policy loans 3,556 3,537
Reinsurance recoverable on market risk benefits 121 118
Market risk benefit assets 6,701 7,867
Total 11,282 12,875
Liabilities    
Funds withheld payable under reinsurance treaties 1,979 1,971
Market risk benefit liabilities 3,971 3,754
Total 5,950 5,725
Freestanding derivative instruments 0 0
Level 3 | Internal    
Assets    
Equity securities 1 1
Mortgage loans 0 0
Limited partnerships 1 1
Policy loans 3,556 3,537
Reinsurance recoverable on market risk benefits 121 118
Market risk benefit assets 6,701 7,867
Total 10,492 11,639
Liabilities    
Funds withheld payable under reinsurance treaties 1,979 1,971
Market risk benefit liabilities 3,971 3,754
Total 5,950 5,725
Level 3 | External    
Assets    
Equity securities 8 6
Mortgage loans 196 324
Limited partnerships 275 249
Policy loans 0 0
Reinsurance recoverable on market risk benefits 0 0
Market risk benefit assets 0 0
Total 790 1,236
Liabilities    
Funds withheld payable under reinsurance treaties 0 0
Market risk benefit liabilities 0 0
Total 0 0
Level 3 | Corporate securities    
Assets    
Debt securities 145 346
Level 3 | Corporate securities | Internal    
Assets    
Debt securities 29 31
Level 3 | Corporate securities | External    
Assets    
Debt securities 116 315
Level 3 | Other asset-backed securities    
Assets    
Debt securities 278 426
Level 3 | Other asset-backed securities | Internal    
Assets    
Debt securities 83 84
Level 3 | Other asset-backed securities | External    
Assets    
Debt securities $ 195 $ 342