Shares and Stockholder's Equity (Schedule of Reclassifications Out Of AOCI) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net investment income	$ 1,353	$ 1,447
Realized gain (loss)	266	211
Commissions and other expenses	(1,192)	(1,171)
Income (loss) from continuing operations before taxes	554	563
Income tax benefit (expense)	(85)	(99)
Net income (loss)	469	464
Unrealized Gain (Loss) on AFS Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before taxes	(6)	(3)
Income tax benefit (expense)	1	1
Net income (loss)	(5)	(2)
Unrealized Gain (Loss) on Derivative Instruments [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before taxes	14	8
Income tax benefit (expense)	(3)	(2)
Net income (loss)	11	6
Gross Reclassification [Member] | Unrealized Gain (Loss) on AFS Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized gain (loss)	(2)	1
Gross Reclassification [Member] | Unrealized Gain (Loss) on Derivative Instruments [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total gross reclassifications	17	9
Gross Reclassification [Member] | Unrealized Gain (Loss) on Derivative Instruments [Member] | Interest Rate Contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net investment income	1	1
Gross Reclassification [Member] | Unrealized Gain (Loss) on Derivative Instruments [Member] | Foreign Currency Contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net investment income	13	10
Realized gain (loss)	3	(2)
Associated Amortization of DAC, VOBA, DSI and DFEL [Member] | Unrealized Gain (Loss) on AFS Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized gain (loss)	(4)	(4)
Associated Amortization of DAC, VOBA, DSI and DFEL [Member] | Unrealized Gain (Loss) on Derivative Instruments [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Commissions and other expenses	$ (3)	$ (1)