v3.25.4
Investments - Pledged investments (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities collateral pledged to us $ 4,405 $ 2,921  
Amounts borrowed under repurchase and securities lending agreements 4,500 3,000  
Securities pledged under repurchase agreements 1,149 687  
Securities pledged under securities lending agreements 3,256 2,234  
Reverse repurchase agreements 0 120  
Total carrying values of cash and securities deposited under requirements of regulatory authorities or other insurance-related arrangements 12,100 9,500  
Federal home loan bank stock 306 279  
Loans 55,208 53,539  
Available for sale debt securities 4,405 2,921  
Policyholder contract deposit 188,876 173,695 $ 162,050
Guaranteed Investment Contract      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Policyholder contract deposit 48 47  
Asset Pledged as Collateral | Federal Home Loan Bank Advances      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Loans 8,500 3,200  
Available for sale debt securities 2,900 4,200  
Asset Pledged as Collateral | Deposits      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Available for sale debt securities 121 62  
Asset Pledged as Collateral | Collateralized Reinsurance Transactions      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Available for sale debt securities 650 546  
Non-U.S. governments      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 59    
Securities pledged under securities lending agreements 57    
Corporate debt      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 1,090 687  
Securities pledged under securities lending agreements 3,199 2,234  
Overnight and Continuous      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 6 12  
Securities pledged under securities lending agreements 0 0  
Overnight and Continuous | Non-U.S. governments      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 0    
Securities pledged under securities lending agreements 0    
Overnight and Continuous | Corporate debt      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 6 12  
Securities pledged under securities lending agreements 0 0  
Up to 30 Days      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 623 675  
Securities pledged under securities lending agreements 3,256 2,234  
Up to 30 Days | Non-U.S. governments      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 25    
Securities pledged under securities lending agreements 57    
Up to 30 Days | Corporate debt      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 598 675  
Securities pledged under securities lending agreements 3,199 2,234  
31 - 90 Days      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 520 0  
Securities pledged under securities lending agreements 0 0  
31 - 90 Days | Non-U.S. governments      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 34    
Securities pledged under securities lending agreements 0    
31 - 90 Days | Corporate debt      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 486 0  
Securities pledged under securities lending agreements 0 0  
91 - 364 Days      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 0 0  
Securities pledged under securities lending agreements 0 0  
91 - 364 Days | Non-U.S. governments      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 0    
Securities pledged under securities lending agreements 0    
91 - 364 Days | Corporate debt      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 0 0  
Securities pledged under securities lending agreements 0 0  
365 Days or Greater      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 0 0  
Securities pledged under securities lending agreements 0 0  
365 Days or Greater | Non-U.S. governments      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 0    
Securities pledged under securities lending agreements 0    
365 Days or Greater | Corporate debt      
Financial Instruments Owned and Pledged as Collateral [Line Items]      
Securities pledged under repurchase agreements 0 0  
Securities pledged under securities lending agreements $ 0 $ 0