Note 5: Income Taxes (Details) In Millions	9 Months Ended
	Sep. 30, 2011 USD ($)	Sep. 30, 2011 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	$ 145
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	310
Tax benefits claimed related to 1998 German reorganization	$ 267	€ 197