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Variable Life and Annuity Contracts - Schedule of GMDB (Details) - GMDB - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Net Deposit Plus Minimum Return Contract    
Fair Value, Separate Account Investment [Line Items]    
Account value $ 94,446 $ 114,936
Net amount at risk $ 1,517 $ 509
Average attained age of contract holders by product 66 years 66 years
Net Deposit Plus Minimum Return Contract | Minimum    
Fair Value, Separate Account Investment [Line Items]    
Range of guaranteed minimum return rates 0.00% 0.00%
Net Deposit Plus Minimum Return Contract | Maximum    
Fair Value, Separate Account Investment [Line Items]    
Range of guaranteed minimum return rates 4.50% 4.50%
Net Deposit Plus Maximum Return Contract    
Fair Value, Separate Account Investment [Line Items]    
Account value $ 13,276 $ 17,298
Net amount at risk $ 2,076 $ 258
Average attained age of contract holders by product 73 years 72 years
Range of guaranteed minimum return rates