Stockbased Compensation Expense (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

The components of stock-based compensation expense are primarily included in selling, general and administrative expenses and are as follows:

(In millions)	2015		2014		2013
Stock Option Awards	$	43.7	$	45.7	$	41.4
Restricted Unit Awards	81.3		71.4		49.5
Total Stock-based Compensation Expense	$	125.0	$	117.1	$	90.9

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The weighted average assumptions used in the Black-Scholes option pricing model are as follows: 

	2015		2014		2013
Expected Stock Price Volatility	24	%	25	%	33	%
Risk Free Interest Rate	1.4	%	1.3	%	0.7	%
Expected Life of Options (years)	4.3		4.4		4.5
Expected Annual Dividend	0.5	%	0.5	%	0.8	%

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of the company’s option activity for the year ended December 31, 2015 is presented below:

	Shares (in millions)		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (a) (in millions)
Outstanding at December 31, 2014	10.5		$	71.34
Granted	1.9		130.98
Exercised	(2.3	)	53.79
Canceled/Expired	(0.5	)	107.90
Outstanding at December 31, 2015	9.6		$	85.30	4.0
Vested and Unvested Expected to Vest at December 31, 2015	9.2		$	83.81	3.9	$	534.6
Exercisable at December 31, 2015	5.0		$	61.28	2.8	$	400.8

(a) Market price per share on December 31, 2015 was $141.85. The intrinsic value is zero for options with exercise prices above the market price.

Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]

A summary of the company’s option activity for the year ended December 31, 2015 is presented below:

	Shares (in millions)		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (a) (in millions)
Outstanding at December 31, 2014	10.5		$	71.34
Granted	1.9		130.98
Exercised	(2.3	)	53.79
Canceled/Expired	(0.5	)	107.90
Outstanding at December 31, 2015	9.6		$	85.30	4.0
Vested and Unvested Expected to Vest at December 31, 2015	9.2		$	83.81	3.9	$	534.6
Exercisable at December 31, 2015	5.0		$	61.28	2.8	$	400.8

(a) Market price per share on December 31, 2015 was $141.85. The intrinsic value is zero for options with exercise prices above the market price.

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

A summary of the company’s restricted unit activity for the year ended December 31, 2015 is presented below:

	Units (in thousands)		Weighted Average Grant-Date Fair Value
Unvested at December 31, 2014	1,805		$	87.09
Granted	931		126.51
Vested	(1,022	)	78.36
Forfeited	(153	)	114.46
Unvested at December 31, 2015	1,561		$	113.64