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DERIVATIVES - Narrative (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Derivative [Line Items]    
Cash and securities collateral for derivative contract $ 0 $ 3
S&P 500, Russell 1000, NASDAQ 100 and Emerging Market Indices    
Derivative [Line Items]    
Initial margin requirements 12 14
Us Treasury Notes Ultra Long Bonds And Euro Dollar    
Derivative [Line Items]    
Initial margin requirements $ 5 $ 3