Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenue
Fee income and other	$ 0	$ 0	$ 36
Net investment income	0	17	28
Net realized capital losses	0	(6)	(5)
Other revenues	0	48	213
Total revenues	0	59	272
Benefits, losses and expenses
Amortization of DAC	0	0	17
Insurance operating costs and other expenses	6	54	256
Goodwill impairment	0	0	153
Total benefits, losses and expenses	6	54	426
Income (loss) before income taxes	(6)	5	(154)
Income tax expense (benefit)	(2)	1	(53)
Income (loss) from operations of discontinued operations, net of tax	(4)	4	(101)
Net realized capital gain (loss) on disposal, net of tax	(1)	82	37
Income (loss) from discontinued operations, net of tax	$ (5)	$ 86	$ (64)