Closed Block (Details 2) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues
Premiums	$ 554	$ 593	$ 1,657	$ 1,776
Net investment income	553	571	1,698	1,714
Net investment gains (losses):
Other-than-temporary impairments on fixed maturity securities	(1)	(5)	(8)	(23)
Other than temporary impairments on fixed maturity securities transferred to other comprehensive income (loss)	0	0	0	0
Other net investment gains (losses)	23	3	40	42
Total net investment gains (losses)	22	(2)	32	19
Net derivative gains (losses)	17	(36)	3	(22)
Total revenues	1,146	1,126	3,390	3,487
Expenses
Policyholder benefits and claims	731	758	2,166	2,262
Policyholder dividends	304	329	897	974
Other expenses	48	50	146	151
Total expenses	1,083	1,137	3,209	3,387
Revenues, net of expenses before provision for income tax expense (benefit)	63	(11)	181	100
Provision for income tax expense (benefit)	25	(5)	63	32
Revenues, net of expenses and provision for income tax expense (benefit)	$ 38	$ (6)	$ 118	$ 68