v3.26.3
Fair Value Measurements - Schedule of Fair Value and Carrying Value of Financial Instruments (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Assets    
Debt securities $ 57,610 $ 50,791
Equity securities 257 172
Mortgage loans 10,711 9,887
Policy loans 4,398 4,426
Freestanding derivative instruments 229 448
FHLBI capital stock 90 119
Cash and cash equivalents 4,101 5,704
Reinsurance recoverable on market risk benefits 17,514 19,518
Market risk benefit assets 8,489 7,867
Separate account assets 237,319 236,496
Liabilities    
Annuity reserves 44,943 39,059
Market risk benefit liabilities 2,920 3,754
Guaranteed investment contracts and funding agreements 11,432 11,021
Funds withheld payable under reinsurance treaties 13,066 14,960
Debt 2,769 2,030
Securities lending payable 29 35
Repurchase agreements 500 1,001
Separate account liabilities 237,319 236,496
Freestanding derivatives    
Liabilities    
Freestanding derivative instruments 1,231 257
Variable Interest Entity, Primary Beneficiary    
Assets    
Equity securities 11 6
Liabilities    
Notes issued by consolidated VIEs 205 258
Carrying 
Value    
Assets    
Debt securities 57,610 50,791
Equity securities 257 172
Mortgage loans 11,268 10,211
Limited partnerships 3,198 2,836
Policy loans 4,398 4,426
Freestanding derivative instruments 229 448
FHLBI capital stock 90 119
Cash and cash equivalents 4,101 5,704
Reinsurance recoverable on market risk benefits 87 118
Market risk benefit assets 8,489 7,867
Separate account assets 237,319 236,496
Liabilities    
Annuity reserves 54,411 45,965
Market risk benefit liabilities 2,920 3,754
Guaranteed investment contracts and funding agreements 11,432 11,021
Funds withheld payable under reinsurance treaties 13,066 14,960
Debt 2,769 2,030
Securities lending payable 29 35
Repurchase agreements 500 1,001
Separate account liabilities 237,319 236,496
Carrying 
Value | Freestanding derivatives    
Liabilities    
Freestanding derivative instruments 1,231 257
Carrying 
Value | Variable Interest Entity, Primary Beneficiary    
Liabilities    
Notes issued by consolidated VIEs 2,466 2,578
Fair 
Value    
Assets    
Debt securities 57,610 50,791
Equity securities 257 172
Mortgage loans 10,797 9,948
Limited partnerships 3,198 2,836
Policy loans 4,398 4,426
Freestanding derivative instruments 229 448
FHLBI capital stock 90 119
Cash and cash equivalents 4,101 5,704
Reinsurance recoverable on market risk benefits 87 118
Market risk benefit assets 8,489 7,867
Separate account assets 237,319 236,496
Liabilities    
Annuity reserves 49,921 45,458
Market risk benefit liabilities 2,920 3,754
Guaranteed investment contracts and funding agreements 11,062 11,077
Funds withheld payable under reinsurance treaties 13,066 14,960
Debt 2,461 1,877
Securities lending payable 29 35
Repurchase agreements 500 1,001
Separate account liabilities 237,319 236,496
Fair 
Value | Freestanding derivatives    
Liabilities    
Freestanding derivative instruments 1,231 257
Fair 
Value | Variable Interest Entity, Primary Beneficiary    
Liabilities    
Notes issued by consolidated VIEs $ 2,466 $ 2,578