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Commitments and Contingencies - Derivative Commitments (Details)
Dec. 31, 2022
USD ($)
Loss Contingencies [Line Items]  
Derivative, liability position, fair value $ 110,000,000
Collateral posted, fair value 111,000,000
GMWB product derivatives  
Loss Contingencies [Line Items]  
Collateral posted, fair value $ 0