v3.26.1
Investments (Amortized Cost and Fair Value of Fixed Maturity Holdings by Industry Type) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Corporate Securities by Investment Sector And Credit Rating [Line Items]    
Amortized Cost $ 114,976 $ 107,264
Fixed maturity securities, available-for-sale 107,328 [1] 101,769 [2]
Corporate Debt Securities [Member]    
Corporate Securities by Investment Sector And Credit Rating [Line Items]    
Amortized Cost 77,736 72,736
Fixed maturity securities, available-for-sale $ 73,228 [1] $ 69,737 [2]
% of Total 100.00% 100.00%
Corporate Debt Securities [Member] | Finance    
Corporate Securities by Investment Sector And Credit Rating [Line Items]    
Amortized Cost $ 22,661 $ 21,367
Fixed maturity securities, available-for-sale $ 21,270 $ 20,489
% of Total 29.00% 29.40%
Corporate Debt Securities [Member] | Industrial    
Corporate Securities by Investment Sector And Credit Rating [Line Items]    
Amortized Cost $ 42,019 $ 39,381
Fixed maturity securities, available-for-sale $ 39,749 $ 37,839
% of Total 54.30% 54.30%
Corporate Debt Securities [Member] | Utility    
Corporate Securities by Investment Sector And Credit Rating [Line Items]    
Amortized Cost $ 13,056 $ 11,988
Fixed maturity securities, available-for-sale $ 12,209 $ 11,409
% of Total 16.70% 16.30%
[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 March 31, 2026, the fair value of such investments was $935 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