v3.26.1
Investments (Exposure To Concentrations Of Credit Risk) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Debt Securities, Available-for-sale [Line Items]    
Available for Sale at Fair value - Amortized cost $ 116,308 $ 107,264
Fixed maturity securities, available-for-sale 109,270 [1] 101,769 [2]
JAPAN    
Debt Securities, Available-for-sale [Line Items]    
Available for Sale at Fair value - Amortized cost 9,045 6,516
Fixed maturity securities, available-for-sale 6,807 4,701
US Treasury and Government [Member]    
Debt Securities, Available-for-sale [Line Items]    
Available for Sale at Fair value - Amortized cost 2,354 3,508
Fixed maturity securities, available-for-sale 2,108 [1] 3,287 [2]
Canadian Province Of Quebec Securities [Member]    
Debt Securities, Available-for-sale [Line Items]    
Available for Sale at Fair value - Amortized cost 1,531 1,642
Fixed maturity securities, available-for-sale $ 1,671 $ 1,764
[1] Excludes limited partnerships that are measured at estimated fair value using the NAV per share (or its equivalent) as a practical expedient. As of June 30, 2026, the fair value of such investments was $875 million.
[2] Excludes limited partnerships that are measured at estimated fair value using the NAV per share (or its equivalent) as a practical expedient. As of December 31, 2025, the fair value of such investments was $925 million