Weighted Average Shares Outstanding (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares [Table Text Block]

	Three Months Ended March 31,
(in millions)	2017	2016
Weighted average shares outstanding - basic	1,365.4	1,350.4
Net effect of common stock equivalents	24.8	19.5
Weighted average shares outstanding - assuming dilution	1,390.2	1,369.9