Goodwill and Other Intangible Assets - Components of Identifiable Intangible Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	$ 9,846.3	$ 9,160.7
Accumulated amortization	(1,696.3)	(1,142.0)
Gross carrying amount	635.4	727.6
Total identifiable intangible assets	8,785.4	8,746.3
Technology [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	3,599.4	3,161.6
Accumulated amortization	(806.8)	(591.9)
Total identifiable intangible assets	2,792.6	2,569.7
Intellectual Property Rights [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	181.6	181.0
Accumulated amortization	(172.3)	(164.8)
Total identifiable intangible assets	9.3	16.2
Trademarks and Trade Names [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	626.1	583.3
Accumulated amortization	(80.8)	(50.9)
Gross carrying amount	475.1	479.0
Total identifiable intangible assets	1,020.4	1,011.4
Customer Relationships [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	5,303.5	5,133.0
Accumulated amortization	(566.0)	(269.6)
Total identifiable intangible assets	4,737.5	4,863.4
In Process Research and Development (IPR&D) [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	160.3	248.6
Total identifiable intangible assets	160.3	248.6
Other [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	135.7	101.8
Accumulated amortization	(70.4)	(64.8)
Total identifiable intangible assets	$ 65.3	$ 37.0