Debt (Tables)

9 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Schedule of short-term debt

The carrying value of short-term borrowings and current portion of long-term debt outstanding at September 30, 2015 and December 31, 2014 includes:

	September 30, 2015		December 31, 2014
Commercial paper	$	699.4	$	99.6
2.450% senior notes due 2015	500.3		506.3
Total	$	1,199.7	$	605.9

Carrying values of the senior notes

Summarized below are the carrying values of our senior notes at September 30, 2015 and December 31, 2014:

	September 30, 2015		December 31, 2014
1.900% senior notes due 2017	$	503.0	$	501.0
2.125% senior notes due 2018	999.9		—
2.300% senior notes due 2018	403.8		401.2
2.250% senior notes due 2019	511.3		502.5
2.875% senior notes due 2020	1,497.4		—
3.950% senior notes due 2020	514.6		502.8
3.250% senior notes due 2022	1,032.3		1,010.2
3.550% senior notes due 2022	997.3		—
4.000% senior notes due 2023	722.2		708.5
3.625% senior notes due 2024	1,003.4		996.8
3.875% senior notes due 2025	2,476.1		—
5.700% senior notes due 2040	249.6		249.5
5.250% senior notes due 2043	396.7		396.7
4.625% senior notes due 2044	996.5		996.5
5.000% senior notes due 2045	1,993.8		—
Total long-term debt	$	14,297.9	$	6,265.7