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

9 Months Ended

Sep. 30, 2013

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

Reconciliation from Basic to Diluted Shares [Table Text Block]

		Three Months Ended			Nine Months Ended
		September 30,			September 30,
(in millions)			2013	2012		2013	2012
Weighted average shares for basic EPS			603	640		611	645
Dilutive effect of shares issuable under
	stock-based compensation plans		15	16		16	17
Weighted average shares for diluted EPS			618	656		627	662