Goodwill and Other Intangible Assets - Components of Identifiable Intangible Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	$ 10,534.3	$ 10,704.4
Accumulated amortization	(4,704.5)	(4,141.1)
Gross carrying amount	470.0	492.2
Total identifiable intangible assets	6,299.8	7,055.5
Technology [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	3,804.6	3,902.0
Accumulated amortization	(1,946.9)	(1,746.2)
Total identifiable intangible assets	1,857.7	2,155.8
Intellectual Property Rights [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	383.3	383.3
Accumulated amortization	(231.6)	(211.6)
Total identifiable intangible assets	151.7	171.7
Trademarks and trade names [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	665.3	677.0
Accumulated amortization	(286.9)	(251.5)
Gross carrying amount	457.0	462.7
Total identifiable intangible assets	835.4	888.2
Customer relationships [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	5,489.1	5,589.7
Accumulated amortization	(2,111.1)	(1,820.9)
Total identifiable intangible assets	3,378.0	3,768.8
In Process Research and Development (IPR&D) [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	13.0	29.5
Total identifiable intangible assets	13.0	29.5
Other [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	192.0	152.4
Accumulated amortization	(128.0)	(110.9)
Total identifiable intangible assets	$ 64.0	$ 41.5