Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Additional Stock-Based Compensation Disclosures [Table Text Block]

Stock-based compensation expense and the related tax benefits were as follows:

	2016		2015		2014
Stock-based compensation expense	$	255.3	$	217.8	$	156.0
Tax benefit	89.4		76.2		54.6

Share-based Compensation Awards, Fair Value Assumptions Used [Table Text Block]

The weighted-average fair values of the SVA units granted during the years ended December 31, 2016, 2015, and 2014 were $48.68, $54.81, and $41.97, respectively, determined using the following assumptions:

(Percents)	2016		2015		2014
Expected dividend yield	2.00	%	2.50	%	3.50	%
Risk-free interest rate	0.92		0.79		.08-.71
Volatility	21.68		20.37		18.87-21.56