INVESTMENTS - Contractual and Economic Maturities of Investments in Fixed Maturities (Detail) - USD ($) $ in Millions		Dec. 31, 2025		Dec. 31, 2024
Available-for-sale, amortized cost:
Due in one year or less	[1]	$ 1,676
Due after one year through five years	[1]	7,704
Due after five years through 10 years	[1]	16,143
Due after 10 years	[1]	35,545
Mortgage- and asset-backed securities	[1]	4,195
Total fixed maturity securities, available-for-sale, amortized cost	[1]	65,263
Held-to-maturity, amortized cost:
Due in one year or less	[1]	32
Due after one year through five years	[1]	1,418
Due after five years through 10 years	[1]	7,182
Due after 10 years	[1]	7,488
Total fixed maturity securities, held-to-maturity, amortized cost		16,120	[1]	$ 15,966
Available-for-sale, fair value:
Due in one year or less		1,743
Due after one year through five years		8,618
Due after five years through 10 years		17,021
Due after 10 years		32,373
Mortgage- and asset-backed securities		4,366
Total fixed maturity securities, available-for-sale, fair value		64,121		65,269
Held-to-maturity, fair value:
Due in one year or less		32
Due after one year through five years		1,435
Due after five years through 10 years		7,240
Due after 10 years		6,769
Total fixed maturity securities, held-to-maturity, fair value		$ 15,476		$ 16,772

[1] Net of allowance for credit losses