Shares and Stockholder's Equity (Schedule of Reclassifications Out Of AOCI) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net investment income	$ 1,476	$ 1,338	$ 2,885	$ 2,690
Realized gain (loss)	(3,252)	148	(3,646)	508
Commissions and other expenses	(1,281)	(1,158)	(2,530)	(2,370)
Income (loss) from continuing operations before taxes	(1,255)	(248)	(2,485)	206
Income tax benefit (expense)	299	76	601	12
Net income (loss)	$ (956)	$ (172)	(1,884)	218
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			(2,722)	(4)
Income tax benefit (expense)			572	1
Net income (loss)			(2,150)	(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]
Income (loss) from continuing operations before taxes			30	35
Income tax benefit (expense)			(6)	(7)
Net income (loss)			24	28
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gross Reclassification [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total gross reclassifications			30	35
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)			(3,140)	(4)
Benefits			418
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			27	30
Realized gain (loss)			$ 3	$ 4