v3.26.1
Derivatives - Offsetting Derivative Assets and Liabilities (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Derivative [Line Items]    
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Other Investments Other Investments
Asset Derivatives $ 64 $ 60
Derivative assets 3 20
Gross Amounts of Recognized (Liabilities) (57) (60)
Derivative Liability (10) (20)
Other liabilities    
Derivative [Line Items]    
Derivative, Collateral, Obligation to Return Cash 34 2
Gross Amounts of Recognized (Liabilities) (57) (60)
Gross Amounts Offset in the Statement of Financial Position, liabilities (33) (38)
Derivative Liability 10 (20)
Financial Collateral (Received) (24) (21)
Net amount, liabilities 0 (1)
Other Investments [Member]    
Derivative [Line Items]    
Asset Derivatives 64 60
Gross Amounts Offset in the Statement of Financial Position, assets 54 58
Derivative assets (3) 20
Derivative, Collateral, Obligation to Return Cash (13) 18
Financial Collateral Pledged 10 1
Net Amount, assets $ 0 $ 1