INVESTMENTS - Investments in Variable Interest Entities Not Consolidated (Details) - USD ($) $ in Millions		Dec. 31, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost		$ 75,469	$ 85,369
Available for sale, fixed maturity securities		75,741	98,696
Securities held to maturity, fixed maturities, amortized cost		19,063	22,008
Held to maturity, fixed maturity securities, fair value		21,210	26,869
Other investments		4,070	3,842
Assets, fair value		82,924	108,012
Variable Interest Entity, Not Consolidated
Variable Interest Entity [Line Items]
Available for sale, fixed maturity securities, amortized cost		3,998	4,779
Available for sale, fixed maturity securities		4,259	5,864
Other investments	[1]	381	323
Other investments, fair value	[1]	381	323
Assets, amortized cost		4,379	5,102
Assets, fair value		$ 4,640	$ 6,187

[1] Consists entirely of alternative investments in limited partnerships