Federal Income Taxes (Significant Components Of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Deferred Tax Assets
Future contract benefits and other contract holder funds	$ 2,377	$ 643
Reinsurance related embedded derivative asset	82	69
Compensation and benefit plans	212	190
Intangibles	27	26
Tax credits	19
Net operating losses	218	216
Other	36	14
Total deferred tax assets	2,971	1,158
Deferred Tax Liabilities
DAC	382	813
VOBA	167	194
Net unrealized gain on fixed maturity AFS securities	4,001	2,308
Net unrealized gain on trading securities	90	72
Investment activity	1,249	109
Other	338	105
Total deferred tax liabilities	6,227	3,601
Net deferred tax asset (liability)	$ (3,256)	$ (2,443)

The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to reinsurance related embedded derivative assets which can only be deducted for tax purposes when losses on such assets are realized, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

No definition available.