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DERIVATIVES - Narrative (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Derivative [Line Items]    
Cash and securities collateral for derivative contract $ 3,300 $ 6,200
Cash and securities collateral 140 178
S&P 500, Russell 1000, NASDAQ 100 and Emerging Market Indices    
Derivative [Line Items]    
Initial margin requirement 187 109
Us Treasury Notes Ultra Long Bonds And Euro Dollar    
Derivative [Line Items]    
Initial margin requirement 63 200
Euro Stoxx, FTSE100, Topix, ASX200 and EAFE Indices    
Derivative [Line Items]    
Initial margin requirement $ 14 $ 16