INVESTMENTS - Investments in Consolidated Variable Interest Entities (Detail) - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost		$ 70,689	$ 75,469
Available for sale, fixed maturity securities		73,290	75,741
Commercial mortgage and other loans		12,527	13,496
Commercial mortgage and other loans, fair value		12,217	13,212
Other investments		4,530	4,070
Asset derivatives		337	617
Total assets		80,325	82,924
Liability derivatives		1,430	1,698
Liabilities		104,739	111,598
Liabilities, fair value		1,430	1,698
Variable Interest Entity, Consolidated
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost	[1]	2,882	3,223
Available for sale, fixed maturity securities		3,712	3,805
Commercial mortgage and other loans	[1]	10,150	10,832
Commercial mortgage and other loans, fair value		9,915	10,762
Other investments	[1],[2]	2,381	1,909
Other investments, fair value	[2]	2,381	1,909
Asset derivatives, amortized cost	[1],[3]	55	62
Asset derivatives	[3]	55	62
Assets, amortized cost	[1]	15,468	16,026
Total assets		16,063	16,538
Liability derivatives, amortized cost	[1],[3]	507	390
Liability derivatives	[3]	507	390
Liabilities	[1]	507	390
Liabilities, fair value		$ 507	$ 390

[1] Net of allowance for credit losses

[2] Consists entirely of alternative investments in limited partnerships

[3] Consists entirely of derivatives