INVESTMENTS - Investments in Variable Interest Entities Not Consolidated (Details) - USD ($) $ in Millions		Mar. 31, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost		$ 75,306	$ 75,469
Available for sale, fixed maturity securities		78,099	75,741
Other investments		5,241	4,070
Assets, fair value		86,105	82,924
Variable Interest Entity, Not Consolidated
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost		3,890	3,998
Available for sale, fixed maturity securities		4,274	4,259
Other investments	[1]	383	381
Other investments, fair value	[1]	383	381
Assets, amortized cost		4,273	4,379
Assets, fair value		$ 4,657	$ 4,640

[1] Consists entirely of alternative investments in limited partnerships