Income Taxes (Details 4) (Foreign, USD $)	Dec. 31, 2013
Foreign
Net operating loss carryforwards
Non-U.S. net operating loss carryforwards	$ 1,100,000,000
Net operating loss carryforwards, indefinite carry forward period	1,000,000,000
Net operating loss carryforwards, subject to expiration	$ 46,000,000