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Commitments and Contingencies - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended
Apr. 19, 2023
Aug. 31, 2020
Mar. 31, 2023
Dec. 31, 2022
Other Commitments [Line Items]        
Estimated litigation liability     $ 8 $ 12
Matter of FGL Holdings        
Other Commitments [Line Items]        
Number of shares in which statutory appraisal rights have been claimed (in shares)   12,000,000    
Matter of FGL Holdings | Subsequent Event | Settled Litigation        
Other Commitments [Line Items]        
Litigation Settlement, Amount Awarded from Other Party $ 4