Realized Gain (Loss) (Tables)	12 Months Ended
	Dec. 31, 2021
Realized Gain (Loss) [Abstract]
Schedule Of Realized Gain (Loss)	For the Years Ended December 31, 2021 2020 2019 Fixed maturity AFS securities: Gross gains$ 20 $ 31 $ 45 Gross losses (29) (84) (73)Credit loss benefit (expense) (1) (11) (26) - Gross OTTI - - (16)Realized gain (loss) on equity securities (2) 43 8 (6)Credit loss benefit (expense) on mortgage loans on real estate 112 (117) (1)Credit loss benefit (expense) on reinsurance related assets 2 - - Other gain (loss) on investments - (7) (9)Associated amortization of DAC, VOBA, DSI and DFEL and changes in other contract holder funds (25) 31 (13)Total realized gain (loss) related to certain financial assets 112 (164) (73)Realized gain (loss) on the mark-to-market on certain instruments (3)(4) 68 26 (127)Indexed annuity and IUL contracts net derivative results: (5) Gross gain (loss) 30 37 (80)Associated amortization of DAC, VOBA, DSI and DFEL 4 (25) 2 Variable annuity net derivative results: (6) Gross gain (loss) (517) (367) (389)Associated amortization of DAC, VOBA, DSI and DFEL 91 (20) 57 Total realized gain (loss)$ (212)$ (513)$ (610) (1)Includes changes in the allowance for credit losses as well as direct write-downs to amortized cost as a result of negative credit events.(2)Includes market adjustments on equity securities still held of $46 million, $8 million and $(4) million for the years ended December 31, 2021, 2020 and 2019, respectively.(3)Represents changes in the fair values of certain derivative investments (not including those associated with our variable and indexed annuity and IUL contracts net derivative results), reinsurance related embedded derivatives, mortgage loans on real estate accounted for under the fair value option and trading securities. See Notes 1 and 8 for information regarding modified coinsurance.(4)Includes gains and losses from fair value changes on mortgage loans on real estate accounted for under the fair value option of $3 million and $(24) million for the years ended December 31, 2021 and 2020, respectively.(5)Represents the net difference between the change in fair value of the index options that we hold and the change in the fair value of the embedded derivative liabilities of our indexed annuity and IUL contracts along with changes in the fair value of embedded derivative liabilities related to index options we may purchase or sell in the future to hedge contract holder index allocations applicable to future reset periods for our indexed annuity products.(6)Includes the net difference in the change in embedded derivative reserves of our GLB riders and the change in the fair value of the derivative instruments we own to hedge the change in embedded derivative reserves on our GLB riders and the benefit ratio unlocking on our GLB and GDB riders, including the cost of purchasing the hedging instruments.