INVESTMENTS - Contractual and Economic Maturities of Investments in Fixed Maturities (Detail) - USD ($) $ in Millions		Jun. 30, 2023		Dec. 31, 2022
Available for sale:
Due in one year or less	[1]	$ 1,808
Due after one year through five years	[1]	6,636
Due after five years through 10 years	[1]	16,133
Due after 10 years	[1]	43,538
Mortgage- and asset-backed securities	[1]	2,734
Total fixed maturity securities, available for sale, amortized cost	[1]	70,849
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]	9,300
Due after 10 years	[1]	8,099
Mortgage- and asset-backed securities	[1]	0
Total fixed maturity securities, held to maturity, amortized cost		17,436	[1]	$ 19,056
Available for sale:
Due in one year or less		1,896
Due after one year through five years		7,114
Due after five years through 10 years		17,931
Due after 10 years		44,709
Mortgage- and asset-backed securities		2,855
Fair Value		74,505		75,741
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		10,414
Due after 10 years		9,485
Mortgage- and asset-backed securities		0
Fair Value		$ 19,938		$ 21,210

[1] Net of allowance for credit losses