Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Income Taxes Income Taxes - Components of Income Tax Provision (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended							12 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current
Federal								$ (22)	$ (5)	$ (19)
State and local								(3)	5	3
Total current provision (benefit)								(25)	0	(16)
Deferred
Federal								(319)	4	(74)
State and local								(32)	2	(35)
Total deferred provision (benefit)								(351)	6	(109)
Total provision (benefit) for income taxes	$ (111)	$ (157)	$ (1)	$ 9	$ (6)	$ 4	$ (1)	$ (376)	$ 6	$ (125)