Shares and Stockholder's Equity (Schedule of Reclassifications Out Of AOCI) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net investment income	$ 5,844	$ 5,264	$ 4,962
Realized gain (loss)	89	(526)	(828)
Commissions and other expenses	(5,546)	(4,889)	(5,065)
Income (loss) from continuing operations before taxes	1,922	535	577
Income tax benefit (expense)	(293)	56	37
Net income (loss)	1,629	591	614
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized Gain (Loss) on AFS Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before taxes	(33)	(14)	(37)
Income tax benefit (expense)	7	3	8
Net income (loss)	(26)	(11)	(29)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized OTTI on AFS Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before taxes			4
Income tax benefit (expense)			(1)
Net income (loss)			3
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized Gain (Loss) on Derivative Instruments [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Commissions and other expenses	(2)	(7)	(2)
Income (loss) from continuing operations before taxes	47	57	45
Income tax benefit (expense)	(10)	(12)	(9)
Net income (loss)	37	45	36
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gross Reclassification [Member] | Unrealized Gain (Loss) on AFS Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized gain (loss)	(10)	(52)	(26)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gross Reclassification [Member] | Unrealized OTTI on AFS Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized gain (loss)			4
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gross Reclassification [Member] | Unrealized Gain (Loss) on Derivative Instruments [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total gross reclassifications	49	64	47
Reclassification out of Accumulated Other Comprehensive Income [Member] | 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	3	2	3
Reclassification out of Accumulated Other Comprehensive Income [Member] | 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	48	56	35
Realized gain (loss)	(2)	6	9
Reclassification out of Accumulated Other Comprehensive Income [Member] | 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)	$ (23)	$ 38	$ (11)