DERIVATIVES - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Derivative [Line Items]
Credit derivative term	5 years
Cash and securities collateral for derivative contract	$ 7,500	$ 4,500
Cash and securities collateral	156	142
S&P 500, Russell 1000, NASDAQ 100 and Emerging Market Indices
Derivative [Line Items]
Initial margin requirements	286	222
Us Treasury Notes Ultra Long Bonds And Euro Dollar
Derivative [Line Items]
Initial margin requirements	80	103
Euro Stoxx, FTSE100, Topix, ASX200 and EAFE Indices
Derivative [Line Items]
Initial margin requirements	$ 14	$ 16