INVESTMENTS - Investments in Consolidated Variable Interest Entities (Detail) - USD ($) $ in Millions		Mar. 31, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Fixed maturity securities, available-for-sale		$ 70,130	$ 73,290
Commercial mortgage and other loans		12,360	12,527
Other investments		6,677	4,530
Asset derivatives		321	337
Assets		124,742	126,724
Liability derivatives		1,135	1,430
Liabilities		101,205	104,739
Liabilities, fair value		1,135	1,430
Variable Interest Entity, Consolidated
Variable Interest Entity [Line Items]
Fixed maturity securities, available-for-sale		3,678	3,712
Commercial mortgage and other loans		9,947	10,150
Other investments	[1]	2,443	2,381
Asset derivatives	[2]	57	55
Assets		16,125	16,298
Liability derivatives	[2]	583	507
Liabilities		$ 583	$ 507

[1] Consists entirely of alternative investments in limited partnerships

[2] Consists entirely of derivatives