INVESTMENTS - Investments in Consolidated Variable Interest Entities (Detail) - USD ($) $ in Millions		Jun. 30, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost	[1]	$ 70,849
Available for sale, fixed maturity securities		74,505	$ 75,741
Commercial mortgage and other loans		13,346	13,496
Commercial mortgage and other loans, fair value		13,014	13,212
Other investments		5,491	4,070
Asset derivatives		668	617
Assets, fair value		83,564	82,924
Liability derivatives		1,481	1,698
Liabilities		110,187	111,598
Liabilities, fair value		1,481	1,698
Variable Interest Entity, Consolidated
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost	[2]	2,922	3,223
Available for sale, fixed maturity securities		3,766	3,805
Commercial mortgage and other loans	[2]	10,652	10,832
Commercial mortgage and other loans, fair value		10,605	10,762
Other investments	[2],[3]	2,163	1,909
Other investments, fair value	[3]	2,163	1,909
Asset derivatives, amortized cost	[2],[4]	61	62
Asset derivatives	[4]	61	62
Assets, amortized cost	[2]	15,798	16,026
Assets, fair value		16,595	16,538
Liability derivatives, amortized cost	[2],[4]	450	390
Liability derivatives	[4]	450	390
Liabilities	[2]	450	390
Liabilities, fair value		$ 450	$ 390

[1] Net of allowance for credit losses

[2] Net of allowance for credit losses

[3] Consists entirely of alternative investments in limited partnerships

[4] Consists entirely of derivatives