Basis of Presentation and Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2012

Basis Of Presentation And Summary Of Significant Accounting Policies Tables [Abstract]

Schedule of Earnings Per Share Reconciliation [Table Text Block]

		Three Months Ended			Nine Months Ended
		September 30,			September 30,
(in millions)			2012	2011		2012	2011
Weighted average shares for basic EPS			640	659		645	667
Dilutive effect of shares issuable under
	stock-based compensation plans		16	16		17	18
Weighted average shares for diluted EPS			656	675		662	685