Federal Income Taxes (Significant Components Of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Deferred Tax Assets
Future contract benefits and other contract holder funds	$ 549	$ 580
Reinsurance related embedded derivative liability		11
Compensation and benefit plans	120	123
Intangibles	40
Tax credits		76
Net operating losses	264
Other	59	8
Total deferred tax assets	1,032	798
Deferred Tax Liabilities
DAC	1,380	1,112
VOBA	302	105
Net unrealized gain on AFS securities	333	1,579
Net unrealized gain on trading securities	25	39
Intangibles		9
Investment activity	334	118
Reinsurance related embedded derivative asset	39
Deferred gain on business sold through reinsurance	34	35
Other	6	192
Total deferred tax liabilities	2,453	3,189
Net deferred tax asset (liability)	$ (1,421)	$ (2,391)