Debt (Tables)

9 Months Ended

Sep. 30, 2019

Debt Disclosure [Abstract]

Summary of Debt

Debt is comprised of the following as of the dates indicated (in millions):

	September 30, 2019			December 31, 2018
2.60% senior notes due 2019	$	—		$	267.3
4.70% senior notes due 2020	304.8			304.6
3.15% senior notes due 2021	93.6			97.5
3.75% senior notes due 2021	333.3			353.2
4.00% senior notes due 2022	249.2			249.0
3.85% senior notes due 2023	1,387.1			1,740.8
5.00% senior notes due 2023	308.4			310.0
4.00% senior notes due 2024	199.4			496.4
3.90% senior notes due 2025	46.8			90.3
4.20% senior notes due 2026	1,985.9			1,984.5
5.375% senior notes due 2036	416.0			415.8
5.50% senior notes due 2046	657.3			657.2
Commercial paper	324.9			—
Other debt	18.9			48.4
Total debt	6,325.6			7,015.0
Short-term debt and current portion of long-term debt	(633.9		)	(318.7		)
Long-term debt	$	5,691.7		$	6,696.3

Schedule of Fair Value of Senior Notes

The fair value of the Company’s senior notes are based on quoted market prices and are as follows (in millions):

	September 30, 2019				December 31, 2018
	Fair Value		Book Value		Fair Value		Book Value
Senior notes	$	6,272.9	$	5,981.8	$	6,911.2	$	6,966.6