Goodwill and Other Intangible Assets - Components of Identifiable Intangible Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	$ 9,160.7	$ 1,282.5
Accumulated amortization	(1,142.0)	(808.0)
Gross carrying amount	727.6	129.0
Total identifiable intangible assets	8,746.3	603.5
Technology [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	3,161.6	727.2
Accumulated amortization	(591.9)	(458.3)
Gross carrying amount		0.0
Total identifiable intangible assets	2,569.7	268.9
Intellectual Property Rights [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	181.0	173.4
Accumulated amortization	(164.8)	(157.7)
Total identifiable intangible assets	16.2	15.7
Trademarks and Trade Names [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	583.3	74.2
Accumulated amortization	(50.9)	(34.1)
Gross carrying amount	479.0	129.0
Total identifiable intangible assets	1,011.4	169.1
Customer Relationships [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	5,133.0	213.8
Accumulated amortization	(269.6)	(99.6)
Total identifiable intangible assets	4,863.4	114.2
In Process Research and Development (IPR&D) [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	248.6
Total identifiable intangible assets	248.6
Other [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	101.8	93.9
Accumulated amortization	(64.8)	(58.3)
Total identifiable intangible assets	$ 37.0	$ 35.6