Note 6: Income Taxes (Details) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 USD ($)	Mar. 31, 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	$ 40
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	340
Tax benefits claimed related to 1998 German reorganization	263	203
Tax Benefits Claimed Related to the French Revenue Authority.	$ 228	€ 176