Income Taxes (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Differences between actual provisions for income taxes and provisions for income taxes at the U.S. federal statutory rate (35%)
Taxes on income (loss) from continuing operations at U.S. federal statutory rate	$ 16	$ 21	$ (60)
Foreign earnings subject to different tax rates	16	(6)	(5)
State income tax, net of federal benefit	1	1	(6)
Change in valuation allowance	(9)	(8)	76
Income from equity method investments	(12)	0	0
Withholding taxes	2	6	0
Other, net	(1)	(3)	7
Tax release from AOCI	(2)	0	0
Gain on deconsolidation	(7)	0	0
Tax benefit not realized on pension loss	3	0	0
Provision for income tax expense	$ 7	$ 11	$ 12
Effective income tax rate	15.30%	18.60%	(7.10%)