XML 114 R102.htm IDEA: XBRL DOCUMENT v3.25.3
Income Taxes - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Net Investment Income [Line Items]          
Effective tax rate 11.40% 15.50% 12.60% 8.50%  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00% 21.00% 21.00%  
Accumulated other comprehensive income (loss) $ (1,778) $ (1,812) $ (1,778) $ (1,812) $ (2,462)
Fixed maturities          
Net Investment Income [Line Items]          
Accumulated other comprehensive income (loss) $ (1,600)   $ (1,600)