Weighted Average Shares Outstanding (Tables)

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

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

	Three Months Ended March 31,
(in millions)	2019	2018
Weighted average shares outstanding - basic	1,387.7	1,376.5
Net effect of common stock equivalents	20.7	20.2
Weighted average shares outstanding - assuming dilution	1,408.4	1,396.8