INVESTMENTS - Other Investments (Details) - USD ($) $ in Millions		Mar. 31, 2022	Dec. 31, 2021
Investment Holdings [Line Items]
Other investments		$ 3,960	$ 3,842
Policy loans
Investment Holdings [Line Items]
Other investments		224	236
Short-term investments
Investment Holdings [Line Items]
Other investments	[1]	1,747	1,726
Limited partnerships
Investment Holdings [Line Items]
Other investments		1,964	1,858
Other
Investment Holdings [Line Items]
Other investments		$ 25	$ 22

[1] Includes securities lending collateral