v3.26.1
Investments - Pledged investments narrative (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Investments [Line Items]      
Amounts borrowed under repurchase and securities lending agreements $ 3,600 $ 4,500  
Total carrying values of cash and securities deposited under requirements of regulatory authorities or other insurance-related arrangements 11,900 12,100  
Federal home loan bank stock 292 306  
Available for sale debt securities 3,521 4,405  
Total mortgage and other loans receivable 54,644 55,208  
Policyholder contract deposit 193,225 188,876 $ 182,187
Guaranteed Investment Contract      
Investments [Line Items]      
Policyholder contract deposit 48 48  
Asset Pledged as Collateral | Federal Home Loan Bank Advances      
Investments [Line Items]      
Available for sale debt securities 3,900 2,900  
Total mortgage and other loans receivable 7,800 8,500  
Asset Pledged as Collateral | Deposits      
Investments [Line Items]      
Available for sale debt securities 118 121  
Asset Pledged as Collateral | Collateralized Reinsurance Transactions      
Investments [Line Items]      
Available for sale debt securities $ 634 $ 650