Income Taxes (Details) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013 USD ($)	Sep. 30, 2013 EUR (€)
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound	$ 45
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	490
Tax benefits claimed related to 1998 German reorganization	275	204
Tax Benefits Claimed Related to the French Revenue Authority.	$ 320	€ 237