INVESTMENTS - Investments in Consolidated Variable Interest Entities (Detail) - USD ($) $ in Millions		Dec. 31, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost		$ 75,469	$ 85,369
Available for sale, fixed maturity securities		75,741	98,696
Commercial mortgage and other loans		13,496	11,786
Commercial mortgage and other loans, fair value		13,212	11,996
Other investments		4,070	3,842
Asset derivatives		617	936
Total assets		82,924	108,012
Liability derivatives		1,698	1,619
Liabilities		108,652	124,289
Liabilities, fair value		1,698	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		3,805	4,490
Commercial mortgage and other loans	[1]	10,832	9,740
Commercial mortgage and other loans, fair value		10,762	9,910
Other investments	[1],[2]	1,909	1,535
Other investments, fair value	[2]	1,909	1,535
Asset derivatives, amortized cost	[1],[3]	62	78
Asset derivatives	[3]	62	78
Assets, amortized cost	[1]	16,026	14,617
Total assets		16,538	16,013
Liability derivatives, amortized cost	[1],[3]	390	414
Liability derivatives	[3]	390	414
Liabilities	[1]	390	414
Liabilities, fair value		$ 390	$ 414

[1] Net of allowance for credit losses

[2] Consists entirely of alternative investments in limited partnerships

[3] Consists entirely of derivatives