Financing (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Carry Value of Debt

The carrying value of the components of our debt as of December 31 were as follows ($ in millions):

	2017		2016
U.S. dollar-denominated commercial paper	$	665.1	$	347.9
Euro-denominated commercial paper	282.7		26.8
U.S. dollar variable interest rate term loan due 2019	500.0		500.0
Yen variable interest rate term loan due 2022	122.4		—
1.80% senior unsecured notes due 2019	298.9		298.3
2.35% senior unsecured notes due 2021	745.9		744.8
3.15% senior unsecured notes due 2026	891.0		890.1
4.30% senior unsecured notes due 2046	546.8		546.8
Other	3.4		3.3
Long-term debt	$	4,056.2	$	3,358.0

The details of our Commercial Paper Programs as of December 31, 2017 were as follows ($ in millions):

	Carrying Value		Annual effective rate		Weighted average remaining maturity (in days)
U.S. dollar-denominated	$	665.1	1.74	%	23
Euro-denominated	$	282.7	(0.08	)%	32

Schedule of Maturities of Long-term Debt

Registered Notes Series	Call Dates
1.80% senior unsecured notes due 2019	June 15, 2019
2.35% senior unsecured notes due 2021	May 15, 2021
3.15% senior unsecured notes due 2026	March 15, 2026
4.30% senior unsecured notes due 2046	December 15, 2045

Schedule of Debt

The future minimum principal payments due are presented in the following table:

	Term Loan		Registered Notes		Total
2019	$	500.0	$	300.0	$	800.0
2020	—		—		—
2021	—		750.0		750.0
Thereafter	122.4		1,450.0		1,572.4
Total principal payments (a)	$	622.4	$	2,500.0	$	3,122.4
(a) Not included in the table above are net discounts, premiums and issuance costs associated with the Private Notes, the Registered Notes and the Commercial Paper Programs, which totaled $18.2 million as of December 31, 2017, and have been recorded as an offset to the carrying amount of the related debt in the accompanying Consolidated Balance Sheet as of December 31, 2017. In addition, the table above does not include principal balances of $948.6 million under the Commercial Paper Programs and other financing balances of $3.4 million.