Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Tax Contingency [Line Items]
Effective tax rate	16.80%	(10.50%)	191.60%	0.70%
2008 through 2010 [Member] | Foreign Tax Authority [Member]
Income Tax Contingency [Line Items]
Income taxes, penalties and interest to transfer pricing			$ 23
2010 [Domain] | Foreign Tax Authority [Member]
Income Tax Contingency [Line Items]
Statutorily required profit sharing related to transfer pricing			$ 5