Shares And Stockholders' Equity (Schedule of Reclassifications Out Of AOCI) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total realized gain (loss)	$ 522	$ (2)	$ 551	$ (182)
Net investment income	1,369	1,584	2,781	3,094
Interest and debt expense	(68)	(65)	(134)	(131)
Commissions and other expenses	(1,127)	(1,326)	(2,362)	(2,556)
Income (loss) from continuing operations before taxes	269	772	361	1,034
Income tax benefit (expense)	(31)	(130)	(20)	(167)
Net income (loss)	$ 238	$ 642	341	867
Unrealized Gain (Loss) on AFS Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total realized gain (loss)			(4)	(2)
Income (loss) from continuing operations before taxes			(10)	(11)
Income tax benefit (expense)			2	2
Net income (loss)			(8)	(9)
Unrealized Gain (Loss) on AFS Securities [Member] | Associated amortization of DAC, VOBA, DSI and DFEL [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total realized gain (loss)			(6)	(9)
Unrealized Gain (Loss) on Derivative Instruments [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Nonoperating income expense			25	8
Income (loss) from continuing operations before taxes			24	7
Income tax benefit (expense)			(5)	(1)
Net income (loss)			19	6
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
Interest and debt expense			(10)	(12)
Unrealized Gain (Loss) on Derivative Instruments [Member] | Foreign currency contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total realized gain (loss)			4	(2)
Net investment income			30	21
Unrealized Gain (Loss) on Derivative Instruments [Member] | Associated amortization of DAC, VOBA, DSI and DFEL [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Commissions and other expenses			$ (1)	$ (1)