INVESTMENTS - Contractual and Economic Maturities of Investments in Fixed Maturities (Detail) - USD ($) $ in Millions		Sep. 30, 2022		Dec. 31, 2021
Available for sale:
Due in one year or less	[1]	$ 1,285
Due after one year through five years	[1]	7,261
Due after five years through 10 years	[1]	13,081
Due after 10 years	[1]	47,445
Mortgage- and asset-backed securities	[1]	1,963
Total fixed maturity securities, available for sale, amortized cost	[1]	71,035
Held to maturity:
Due in one year or less	[1]	0
Due after one year through five years	[1]	37
Due after five years through 10 years	[1]	9,285
Due after 10 years	[1]	8,144
Mortgage- and asset-backed securities	[1]	0
Total fixed maturity securities, held to maturity, amortized cost		17,466	[1]	$ 22,000
Available for sale:
Due in one year or less		1,455
Due after one year through five years		7,815
Due after five years through 10 years		14,297
Due after 10 years		48,067
Mortgage- and asset-backed securities		2,009
Fair Value		73,643		98,696
Held to maturity:
Due in one year or less		0
Due after one year through five years		39
Due after five years through 10 years		10,498
Due after 10 years		9,548
Mortgage- and asset-backed securities		0
Fair Value		$ 20,085		$ 26,869

[1] Net of allowance for credit losses