Note 6: Income Taxes (Details) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012 USD ($)	Mar. 31, 2012 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	$ 10
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	120
Tax benefits claimed related to 1998 German reorganization	263	198
Other Information Pertaining to Income Taxes	pre-tax interest adjustment of $15 million, as a result of the Examination Division of the IRS completing audit fieldwork for tax years 2006, 2007 and 2008.	pre-tax interest adjustment of $15 million, as a result of the Examination Division of the IRS completing audit fieldwork for tax years 2006, 2007 and 2008.
Recognized Non Cash Tax Gains	$ 218