v3.26.1
Fair Value of Financial Instruments - Schedule of Carrying Value and Estimated Fair Value of Financial Instruments Not Recorded at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Policy loans $ 238 $ 234
Other invested assets 2,203 1,485
Policyholders' account balances – excluding embedded derivative 96,064 92,992
Notes payable 206 205
Level 1    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Policy loans 0 0
Deposit assets, included in reinsurance recoverables and deposit assets 0 0
Other invested assets 0 0
Total assets 7,835 11,645
Policyholders' account balances – excluding embedded derivative 0 0
Long term borrowings 0 0
Notes payable 0 0
Funds withheld for reinsurance liabilities - excluding embedded derivative 0 0
Total liabilities 857 804
Level 1 | Mortgage loans on real estate, net of allowance    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Mortgage loans on real estate, net of allowance / Private loans, net of allowance 0 0
Level 1 | Private loans, net of allowance    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Mortgage loans on real estate, net of allowance / Private loans, net of allowance 0 0
Level 2    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Policy loans 0 0
Deposit assets, included in reinsurance recoverables and deposit assets 0 0
Other invested assets 427 417
Total assets 56,018 54,118
Policyholders' account balances – excluding embedded derivative 0 0
Long term borrowings 0 0
Notes payable 0 0
Funds withheld for reinsurance liabilities - excluding embedded derivative 0 0
Total liabilities 32 32
Level 2 | Mortgage loans on real estate, net of allowance    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Mortgage loans on real estate, net of allowance / Private loans, net of allowance 0 0
Level 2 | Private loans, net of allowance    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Mortgage loans on real estate, net of allowance / Private loans, net of allowance 41 74
Level 3    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Policy loans 238 234
Deposit assets, included in reinsurance recoverables and deposit assets 4,326 4,747
Other invested assets 420 351
Total assets 13,886 12,062
Policyholders' account balances – excluding embedded derivative 86,295 83,782
Long term borrowings 2,979 3,045
Notes payable 206 205
Funds withheld for reinsurance liabilities - excluding embedded derivative 2,867 3,014
Total liabilities 11,396 11,024
Level 3 | Mortgage loans on real estate, net of allowance    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Mortgage loans on real estate, net of allowance / Private loans, net of allowance 11,510 11,211
Level 3 | Private loans, net of allowance    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Mortgage loans on real estate, net of allowance / Private loans, net of allowance 9,058 8,908
Carrying Amount    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Policy loans 238 234
Deposit assets, included in reinsurance recoverables and deposit assets 4,376 4,835
Other invested assets 847 768
Total assets 25,964 25,876
Policyholders' account balances – excluding embedded derivative 86,295 83,782
Long term borrowings 2,957 2,951
Notes payable 206 205
Funds withheld for reinsurance liabilities - excluding embedded derivative 2,867 3,014
Total liabilities 92,325 89,952
Carrying Amount | Mortgage loans on real estate, net of allowance    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Mortgage loans on real estate, net of allowance / Private loans, net of allowance 11,554 11,113
Carrying Amount | Private loans, net of allowance    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Mortgage loans on real estate, net of allowance / Private loans, net of allowance 8,949 8,926
Fair Value    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Policy loans 238 234
Deposit assets, included in reinsurance recoverables and deposit assets 4,326 4,747
Other invested assets 847 768
Total assets 26,020 25,942
Policyholders' account balances – excluding embedded derivative 86,295 83,782
Long term borrowings 2,979 3,045
Notes payable 206 205
Funds withheld for reinsurance liabilities - excluding embedded derivative 2,867 3,014
Total liabilities 92,347 90,046
Fair Value | Mortgage loans on real estate, net of allowance    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Mortgage loans on real estate, net of allowance / Private loans, net of allowance 11,510 11,211
Fair Value | Private loans, net of allowance    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Mortgage loans on real estate, net of allowance / Private loans, net of allowance $ 9,099 $ 8,982