INVESTMENTS - Investments in Consolidated Variable Interest Entities (Detail) - USD ($) $ in Millions		Mar. 31, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost		$ 81,464	$ 85,369
Available for sale, fixed maturity securities		89,965	98,696
Equity securities		1,415	1,603
Commercial mortgage and other loans		12,312	11,786
Commercial mortgage and other loans, fair value		12,356	11,996
Other investments		3,960	3,842
Asset derivatives		1,126	936
Assets, fair value		98,528	108,012
Liability derivatives		1,460	1,619
Liabilities		117,519	124,289
Liabilities, fair value		1,460	1,619
Variable Interest Entity, Consolidated
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost	[1]	3,223	3,264
Available for sale, fixed maturity securities		4,170	4,490
Commercial mortgage and other loans	[1]	10,027	9,740
Commercial mortgage and other loans, fair value		10,082	9,910
Other investments	[1],[2]	1,624	1,535
Other investments, fair value	[2]	1,624	1,535
Asset derivatives, amortized cost	[1],[3]	75	78
Asset derivatives	[3]	75	78
Assets, amortized cost	[1]	14,949	14,617
Assets, fair value		15,951	16,013
Liability derivatives, amortized cost	[1],[3]	427	414
Liability derivatives	[3]	427	414
Liabilities	[1]	427	414
Liabilities, fair value		$ 427	$ 414

[1] Net of allowance for credit losses

[2] Consists entirely of alternative investments in limited partnerships

[3] Consists entirely of derivatives