XML 44 R32.htm IDEA: XBRL DOCUMENT v3.25.3
Investments - Investment Portfolio by Major Security Type (Detail) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Sep. 30, 2024
Debt Securities, Available-for-Sale, at Fair Value      
Cost $ 89,762 $ 77,741 $ 75,352
Gross Unrealized Gains 1,099 145 1,072
Gross Unrealized Losses (850) (1,935) (1,258)
Net Holding Period Gains (Losses) 13 (4) 2
Total available-for-sale securities $ 90,024 $ 75,947 $ 75,168
% of Total Fair Value 95.20% 94.60% 94.70%
Equity securities, at Fair Value      
Cost $ 1,262 $ 1,501 $ 1,493
Gross Unrealized Gains 0 0 0
Gross Unrealized Losses 0 0 0
Net Holding Period Gains (Losses) 3,223 2,802 2,739
Fair Value $ 4,485 $ 4,303 $ 4,232
% of Total Fair Value 4.80% 5.40% 5.30%
Debt and Equity Securities, at Fair Value      
Cost $ 91,024 $ 79,242 $ 76,845
Gross Unrealized Gains 1,099 145 1,072
Gross Unrealized Losses (850) (1,935) (1,258)
Net Holding Period Gains (Losses) 3,236 2,798 2,741
Fair Value $ 94,509 $ 80,250 $ 79,400
% of Total Fair Value 100.00% 100.00% 100.00%
Unsettled security transactions, payable $ 523   $ 469
Other receivable from broker-dealer and clearing organization   $ 125  
Total fair value of non-insurance subsidiary portfolio 4,900 6,200 4,100
Nonredeemable preferred stocks      
Equity securities, at Fair Value      
Cost 454 756 760
Gross Unrealized Gains 0 0 0
Gross Unrealized Losses 0 0 0
Net Holding Period Gains (Losses) (16) (28) (25)
Fair Value $ 438 $ 728 $ 735
% of Total Fair Value 0.50% 0.90% 0.90%
Common equities      
Equity securities, at Fair Value      
Cost $ 808 $ 745 $ 733
Gross Unrealized Gains 0 0 0
Gross Unrealized Losses 0 0 0
Net Holding Period Gains (Losses) 3,239 2,830 2,764
Fair Value $ 4,047 $ 3,575 $ 3,497
% of Total Fair Value 4.30% 4.50% 4.40%
Total fixed maturities      
Debt Securities, Available-for-Sale, at Fair Value      
Cost $ 88,247 $ 77,126 $ 74,595
Gross Unrealized Gains 1,099 145 1,072
Gross Unrealized Losses (850) (1,935) (1,258)
Net Holding Period Gains (Losses) 13 (4) 2
Total available-for-sale securities $ 88,509 $ 75,332 $ 74,411
% of Total Fair Value 93.60% 93.90% 93.70%
Total fixed maturities | U.S. government obligations      
Debt Securities, Available-for-Sale, at Fair Value      
Cost $ 51,021 $ 47,103 $ 44,231
Gross Unrealized Gains 731 36 772
Gross Unrealized Losses (413) (1,151) (574)
Net Holding Period Gains (Losses) 0 0 0
Total available-for-sale securities $ 51,339 $ 45,988 $ 44,429
% of Total Fair Value 54.30% 57.30% 56.00%
Total fixed maturities | State and local government obligations      
Debt Securities, Available-for-Sale, at Fair Value      
Cost $ 3,320 $ 2,893 $ 2,681
Gross Unrealized Gains 20 2 10
Gross Unrealized Losses (65) (117) (90)
Net Holding Period Gains (Losses) 0 0 0
Total available-for-sale securities $ 3,275 $ 2,778 $ 2,601
% of Total Fair Value 3.50% 3.50% 3.30%
Total fixed maturities | Foreign government obligations      
Debt Securities, Available-for-Sale, at Fair Value      
Cost $ 16 $ 16 $ 17
Gross Unrealized Gains 0 0 0
Gross Unrealized Losses 0 0 (1)
Net Holding Period Gains (Losses) 0 0 0
Total available-for-sale securities $ 16 $ 16 $ 16
% of Total Fair Value 0.00% 0.00% 0.00%
Total fixed maturities | Corporate and other debt securities      
Debt Securities, Available-for-Sale, at Fair Value      
Cost $ 18,621 $ 14,111 $ 14,970
Gross Unrealized Gains 270 65 222
Gross Unrealized Losses (86) (215) (156)
Net Holding Period Gains (Losses) 12 (7) 0
Total available-for-sale securities $ 18,817 $ 13,954 $ 15,036
% of Total Fair Value 19.90% 17.40% 18.90%
Total fixed maturities | Residential mortgage-backed securities      
Debt Securities, Available-for-Sale, at Fair Value      
Cost $ 2,979 $ 1,600 $ 1,404
Gross Unrealized Gains 26 9 24
Gross Unrealized Losses (6) (11) (6)
Net Holding Period Gains (Losses) 1 3 2
Total available-for-sale securities $ 3,000 $ 1,601 $ 1,424
% of Total Fair Value 3.20% 2.00% 1.80%
Total fixed maturities | Commercial mortgage-backed securities      
Debt Securities, Available-for-Sale, at Fair Value      
Cost $ 5,916 $ 4,721 $ 4,664
Gross Unrealized Gains 17 7 4
Gross Unrealized Losses (247) (376) (377)
Net Holding Period Gains (Losses) 0 0 0
Total available-for-sale securities $ 5,686 $ 4,352 $ 4,291
% of Total Fair Value 6.00% 5.40% 5.40%
Total fixed maturities | Other asset-backed securities      
Debt Securities, Available-for-Sale, at Fair Value      
Cost $ 6,374 $ 6,682 $ 6,628
Gross Unrealized Gains 35 26 40
Gross Unrealized Losses (33) (65) (54)
Net Holding Period Gains (Losses) 0 0 0
Total available-for-sale securities $ 6,376 $ 6,643 $ 6,614
% of Total Fair Value 6.70% 8.30% 8.30%
Short-term investments      
Debt Securities, Available-for-Sale, at Fair Value      
Cost $ 1,515 $ 615 $ 757
Gross Unrealized Gains 0 0 0
Gross Unrealized Losses 0 0 0
Net Holding Period Gains (Losses) 0 0 0
Total available-for-sale securities $ 1,515 $ 615 $ 757
% of Total Fair Value 1.60% 0.70% 1.00%