Shares and Stockholder's Equity (Schedule of Reclassifications Out Of AOCI) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net investment income	$ 1,466	$ 1,241	$ 4,351	$ 3,931
Realized gain (loss)	(867)	33	(4,513)	541
Commissions and other expenses	(1,275)	(1,219)	(3,805)	(3,591)
Income (loss) from continuing operations before taxes	352	(2,780)	(2,133)	(2,574)
Income tax benefit (expense)	(37)	488	564	500
Net income (loss)	$ 315	$ (2,292)	(1,569)	(2,074)
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			(3,704)	(9)
Income tax benefit (expense)			778	2
Net income (loss)			(2,926)	(7)
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]
Income (loss) from continuing operations before taxes			46	78
Income tax benefit (expense)			(10)	(16)
Net income (loss)			36	62
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gross Reclassification [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Benefits			589
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)			(4,293)	(9)
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				1
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			42	48
Realized gain (loss)			$ 4	$ 29