INVESTMENTS - Contractual and Economic Maturities of Investments in Fixed Maturities (Detail) - USD ($) $ in Millions		Jun. 30, 2022		Dec. 31, 2021
Available for sale:
Due in one year or less	[1]	$ 1,291
Due after one year through five years	[1]	7,265
Due after five years through 10 years	[1]	12,779
Due after 10 years	[1]	51,296
Mortgage- and asset-backed securities	[1]	1,915
Total fixed maturity securities, available for sale, amortized cost	[1]	74,546
Held to maturity:
Due in one year or less	[1]	0
Due after one year through five years	[1]	39
Due after five years through 10 years	[1]	9,840
Due after 10 years	[1]	8,628
Mortgage- and asset-backed securities	[1]	0
Total fixed maturity securities, held to maturity, amortized cost		18,507	[1]	$ 22,000
Available for sale:
Due in one year or less		1,455
Due after one year through five years		7,883
Due after five years through 10 years		14,177
Due after 10 years		53,964
Mortgage- and asset-backed securities		1,952
Fair Value		79,431		98,696
Held to maturity:
Due in one year or less		0
Due after one year through five years		42
Due after five years through 10 years		11,171
Due after 10 years		10,319
Mortgage- and asset-backed securities		0
Fair Value		$ 21,532		$ 26,869

[1] Net of allowance for credit losses