Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 2,887.2	$ 2,984.2
Accumulated impairment losses, Beginning Balance	(373.0)	(373.0)
Goodwill, net of accumulated impairment losses, Beginning Balance	2,514.2	2,611.2
Acquisitions	7,573.9	40.6
Currency translation	(153.9)	(137.6)
Goodwill, Ending Balance	10,307.2	2,887.2
Accumulated impairment losses, Ending Balance	(373.0)	(373.0)
Goodwill, net of accumulated impairment losses, Ending Balance	9,934.2	2,514.2
Americas [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	931.1	894.8
Goodwill, net of accumulated impairment losses, Beginning Balance	931.1	894.8
Acquisitions	6,445.2	40.6
Currency translation	(48.3)	(4.3)
Goodwill, Ending Balance	7,328.0	931.1
Goodwill, net of accumulated impairment losses, Ending Balance	7,328.0	931.1
EMEA [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	1,157.3	1,271.9
Goodwill, net of accumulated impairment losses, Beginning Balance	1,157.3	1,271.9
Acquisitions	225.6
Currency translation	(91.9)	(114.6)
Goodwill, Ending Balance	1,291.0	1,157.3
Goodwill, net of accumulated impairment losses, Ending Balance	1,291.0	1,157.3
Asia Pacific [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	148.2	161.8
Goodwill, net of accumulated impairment losses, Beginning Balance	148.2	161.8
Acquisitions	408.1
Currency translation	(7.4)	(13.6)
Goodwill, Ending Balance	548.9	148.2
Goodwill, net of accumulated impairment losses, Ending Balance	548.9	148.2
Product Category Operating Segments [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	650.6	655.7
Accumulated impairment losses, Beginning Balance	(373.0)	(373.0)
Goodwill, net of accumulated impairment losses, Beginning Balance	277.6	282.7
Acquisitions	495.0
Currency translation	(6.3)	(5.1)
Goodwill, Ending Balance	1,139.3	650.6
Accumulated impairment losses, Ending Balance	(373.0)	(373.0)
Goodwill, net of accumulated impairment losses, Ending Balance	$ 766.3	$ 277.6