Segment Information - Summary of Net Sales and Operating Profit by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net Sales and Operating Profit Information [Line Items]
Net Sales	$ 1,818.1	$ 1,832.8	$ 5,749.8	$ 5,670.8
Operating Profit	213.4	195.5	846.1	642.6
Intangible asset amortization	(152.7)	(164.3)	(452.4)	(424.7)
Special items	(165.4)	(170.4)	(434.1)	(397.0)
Operating Segments [Member] | Americas [Member]
Net Sales and Operating Profit Information [Line Items]
Net Sales	921.2	946.6	2,900.0	2,909.6
Operating Profit	502.3	515.6	1,568.8	1,574.1
Operating Segments [Member] | EMEA [Member]
Net Sales and Operating Profit Information [Line Items]
Net Sales	335.4	322.1	1,108.5	1,122.7
Operating Profit	97.5	92.3	348.2	368.0
Operating Segments [Member] | Asia Pacific [Member]
Net Sales and Operating Profit Information [Line Items]
Net Sales	281.7	274.5	850.5	806.9
Operating Profit	101.5	106.3	318.5	331.4
Operating Segments [Member] | Product Category Operating Segments [Member]
Net Sales and Operating Profit Information [Line Items]
Net Sales	279.8	289.6	890.8	831.6
Operating Profit	51.1	47.5	197.2	177.1
Global Operations and Corporate Functions [Member]
Net Sales and Operating Profit Information [Line Items]
Global Operations and Corporate Functions	(210.5)	(208.7)	(641.6)	(628.6)
Segment Reconciling Items [Member]
Net Sales and Operating Profit Information [Line Items]
Inventory step-up and other inventory and manufacturing related charges	(10.4)	(22.8)	(58.5)	(357.7)
Intangible asset amortization	(152.7)	(164.3)	(452.4)	(424.7)
Special items	$ (165.4)	$ (170.4)	$ (434.1)	$ (397.0)