INVESTMENTS - Investments in Consolidated Variable Interest Entities (Details) - USD ($) $ in Millions		Sep. 30, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Fixed maturity securities, available-for-sale		$ 72,292	$ 73,290
Commercial mortgage and other loans		11,544	12,527
Other investments		7,647	4,530
Asset derivatives		199	337
Assets		128,442	126,724
Liability derivatives		921	1,430
Liabilities		103,612	104,739
Variable Interest Entity, Consolidated
Variable Interest Entity [Line Items]
Fixed maturity securities, available-for-sale		4,031	3,712
Commercial mortgage and other loans		9,261	10,150
Other investments	[1]	2,704	2,381
Asset derivatives	[2]	52	55
Assets		16,048	16,298
Liability derivatives	[2]	623	507
Liabilities		$ 623	$ 507

[1] Consists entirely of alternative investments in limited partnerships

[2] Consists entirely of derivatives