Weighted Average Shares Outstanding (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

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

	Three Months Ended June 30,		Six Months Ended June 30,
(in millions)	2015	2014	2015	2014
Weighted average shares outstanding - basic	1,341.3	1,323.2	1,337.5	1,322.4
Net effect of common stock equivalents	20.5	21.8	22.2	24.7
Weighted average shares outstanding - assuming dilution	1,361.8	1,345.0	1,359.7	1,347.1