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Value of Business Acquired, Deferred Acquisition Costs and Deferred Sales Inducements - DAC Reconciliation to Balance Sheet (Details) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]    
Deferred acquisition costs $ 2,653 $ 2,215
Indexed Annuities    
Finite-Lived Intangible Assets [Line Items]    
Deferred acquisition costs 1,645 1,378
Fixed Rate Annuities    
Finite-Lived Intangible Assets [Line Items]    
Deferred acquisition costs 341 288
Universal Life    
Finite-Lived Intangible Assets [Line Items]    
Deferred acquisition costs 662 545
Funding Agreements    
Finite-Lived Intangible Assets [Line Items]    
Deferred acquisition costs $ 5 $ 4