v3.26.1
Fair Value Measurements - Schedule of Fair Value and Carrying Value of Financial Instruments (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Assets    
Debt securities $ 55,742 $ 50,791
Equity securities 262 172
Mortgage loans 10,414 9,887
Policy loans 4,484 4,426
Freestanding derivative instruments 422 448
FHLBI capital stock 87 119
Cash and cash equivalents 5,986 5,704
Reinsurance recoverable on market risk benefits 18,331 19,518
Market risk benefit assets 8,046 7,867
Separate account assets 245,387 236,496
Liabilities    
Annuity reserves 42,563 39,059
Market risk benefit liabilities 3,368 3,754
Guaranteed investment contracts and funding agreements 11,018 11,021
Funds withheld payable under reinsurance treaties 14,090 14,960
Debt 2,769 2,030
Securities lending payable 77 35
Repurchase agreements 400 1,001
Separate account liabilities 245,387 236,496
Freestanding derivatives    
Liabilities    
Freestanding derivative instruments 657 257
Variable Interest Entity, Primary Beneficiary    
Assets    
Equity securities 9 6
Liabilities    
Notes issued by consolidated VIEs 184 258
Carrying 
Value    
Assets    
Debt securities 55,742 50,791
Equity securities 262 172
Mortgage loans 11,009 10,211
Limited partnerships 3,079 2,836
Policy loans 4,484 4,426
Freestanding derivative instruments 422 448
FHLBI capital stock 87 119
Cash and cash equivalents 5,986 5,704
Reinsurance recoverable on market risk benefits 109 118
Market risk benefit assets 8,046 7,867
Separate account assets 245,387 236,496
Liabilities    
Annuity reserves 51,808 45,965
Market risk benefit liabilities 3,368 3,754
Guaranteed investment contracts and funding agreements 11,018 11,021
Funds withheld payable under reinsurance treaties 14,090 14,960
Debt 2,769 2,030
Securities lending payable 77 35
Repurchase agreements 400 1,001
Separate account liabilities 245,387 236,496
Carrying 
Value | Freestanding derivatives    
Liabilities    
Freestanding derivative instruments 657 257
Carrying 
Value | Variable Interest Entity, Primary Beneficiary    
Liabilities    
Notes issued by consolidated VIEs 2,474 2,578
Fair 
Value    
Assets    
Debt securities 55,742 50,791
Equity securities 262 172
Mortgage loans 10,725 9,948
Limited partnerships 3,079 2,836
Policy loans 4,484 4,426
Freestanding derivative instruments 422 448
FHLBI capital stock 87 119
Cash and cash equivalents 5,986 5,704
Reinsurance recoverable on market risk benefits 109 118
Market risk benefit assets 8,046 7,867
Separate account assets 245,387 236,496
Liabilities    
Annuity reserves 50,022 45,458
Market risk benefit liabilities 3,368 3,754
Guaranteed investment contracts and funding agreements 10,865 11,077
Funds withheld payable under reinsurance treaties 14,090 14,960
Debt 2,588 1,877
Securities lending payable 77 35
Repurchase agreements 400 1,001
Separate account liabilities 245,387 236,496
Fair 
Value | Freestanding derivatives    
Liabilities    
Freestanding derivative instruments 657 257
Fair 
Value | Variable Interest Entity, Primary Beneficiary    
Liabilities    
Notes issued by consolidated VIEs $ 2,474 $ 2,578