Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of Short-term Debt

The carrying value of short-term borrowings and current portion of long-term debt outstanding at December 31, 2014 and December 31, 2013 includes:

	2014		2013
Commercial paper	$	99.6	$	544.8
2.450% senior notes due 2015	506.3		—
Total	$	605.9	$	544.8

Carrying values of the senior notes

at December 31, 2014 and 2013 are summarized below:

	2014		2013
2.450% senior notes due 2015	$	—	$	513.9
1.900% senior notes due 2017	501.0		499.9
2.300% senior notes due 2018	401.2		399.0
2.250% senior notes due 2019	502.5		—
3.950% senior notes due 2020	502.8		484.6
3.250% senior notes due 2022	1,010.2		956.6
4.000% senior notes due 2023	708.5		696.3
3.625% senior notes due 2024	996.8		—
5.700% senior notes due 2040	249.5		249.6
5.250% senior notes due 2043	396.7		396.6
4.625% senior notes due 2044	996.5		—
Total long-term debt	$	6,265.7	$	4,196.5