INVESTMENTS - Investments in Consolidated Variable Interest Entities (Detail) - USD ($) $ in Millions		Jun. 30, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost	[1]	$ 74,546
Available for sale, fixed maturity securities		79,431	$ 98,696
Commercial mortgage and other loans		13,053	11,786
Commercial mortgage and other loans, fair value		12,905	11,996
Other investments		4,102	3,842
Asset derivatives		1,558	936
Assets, fair value		89,006	108,012
Liability derivatives		2,130	1,619
Liabilities		109,242	124,289
Liabilities, fair value		2,130	1,619
Variable Interest Entity, Consolidated
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost	[2]	2,995	3,264
Available for sale, fixed maturity securities		3,820	4,490
Commercial mortgage and other loans	[2]	10,630	9,740
Commercial mortgage and other loans, fair value		10,575	9,910
Other investments	[2],[3]	1,823	1,535
Other investments, fair value	[3]	1,823	1,535
Asset derivatives, amortized cost	[2],[4]	65	78
Asset derivatives	[4]	65	78
Assets, amortized cost	[2]	15,513	14,617
Assets, fair value		16,283	16,013
Liability derivatives, amortized cost	[2],[4]	457	414
Liability derivatives	[4]	457	414
Liabilities	[2]	457	414
Liabilities, fair value		$ 457	$ 414

[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