v3.23.1
Deferred Policy Acquisition Costs - Rollforward of DSI before adjustments (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Summary of Significant Accounting Policies [Line Items]      
Balance, beginning of year   $ 7,241  
Change related to unrealized (appreciation) depreciation of investments     $ (1,085)
Balance, end of year     7,241
Deferred Sale Inducements      
Summary of Significant Accounting Policies [Line Items]      
Balance, beginning of year $ 2,995    
Balance, end of year $ 1,963 2,995  
Deferred Sale Inducements | As Previously Reported      
Summary of Significant Accounting Policies [Line Items]      
Balance, beginning of year   $ 285 437
Capitalizations     11
Amortization expense     (64)
Change related to unrealized (appreciation) depreciation of investments     (99)
Balance, end of year     $ 285