Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Summary of Debt Instruments

Our debt consisted of the following (in millions):

As of December 31,	2015			2014
Long-term debt
1.450% Senior Notes due 2017	$	500.0		$	–
2.000% Senior Notes due 2018		1,150.0			–
4.625% Senior Notes due 2019		500.0			500.0
2.700% Senior Notes due 2020		1,500.0			–
3.375% Senior Notes due 2021		300.0			300.0
3.150% Senior Notes due 2022		750.0			–
3.550% Senior Notes due 2025		2,000.0			–
4.250% Senior Notes due 2035		500.0			–
5.750% Senior Notes due 2039		500.0			500.0
4.450% Senior Notes due 2045		1,250.0			–
U.S. Term Loan		2,500.0			–
Japan Term Loan		96.8			98.0
Other long-term debt		4.6			4.9
Debt discount		(21.9	)		(1.4	)
Adjustment related to interest rate swaps		26.8			24.0
Total long-term debt	$	11,556.3		$	1,425.5