INVESTMENTS - Investments in Consolidated Variable Interest Entities (Detail) - USD ($) $ in Millions		Sep. 30, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost	[1]	$ 71,035
Available for sale, fixed maturity securities		73,643	$ 98,696
Commercial mortgage and other loans		13,459	11,786
Commercial mortgage and other loans, fair value		13,189	11,996
Other investments		4,186	3,842
Asset derivatives		1,146	936
Assets, fair value		82,379	108,012
Liability derivatives		2,088	1,619
Liabilities		103,948	124,289
Liabilities, fair value		2,088	1,619
Variable Interest Entity, Consolidated
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost	[2]	2,908	3,264
Available for sale, fixed maturity securities		3,617	4,490
Commercial mortgage and other loans	[2]	10,775	9,740
Commercial mortgage and other loans, fair value		10,716	9,910
Other investments	[2],[3]	1,815	1,535
Other investments, fair value	[3]	1,815	1,535
Asset derivatives, amortized cost	[2],[4]	65	78
Asset derivatives	[4]	65	78
Assets, amortized cost	[2]	15,563	14,617
Assets, fair value		16,213	16,013
Liability derivatives, amortized cost	[2],[4]	463	414
Liability derivatives	[4]	463	414
Liabilities	[2]	463	414
Liabilities, fair value		$ 463	$ 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