INVESTMENTS - Investments in Variable Interest Entities Not Consolidated (Details) - USD ($) $ in Millions		Jun. 30, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost		$ 70,849	$ 75,469
Available for sale, fixed maturity securities		74,505	75,741
Other investments		5,491	4,070
Assets, fair value		83,564	82,924
Variable Interest Entity, Not Consolidated
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost		3,522	3,998
Available for sale, fixed maturity securities		3,924	4,259
Other investments	[1]	388	381
Other investments, fair value	[1]	388	381
Assets, amortized cost		3,910	4,379
Assets, fair value		$ 4,312	$ 4,640

[1] Consists entirely of alternative investments in limited partnerships