Goodwill and Other Intangible Assets - Components of Identifiable Intangible Assets Related to Continuing Operations (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	$ 9,107.9	$ 9,080.4
Accumulated amortization	(4,503.2)	(4,016.8)
Gross carrying amount	459.1	470.0
Total identifiable intangible assets	5,063.8	5,533.6
Technology [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	2,954.3	2,930.7
Accumulated amortization	(1,700.2)	(1,537.1)
Total identifiable intangible assets	1,254.1	1,393.6
Intellectual Property Rights [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	388.5	381.9
Accumulated amortization	(250.8)	(230.2)
Total identifiable intangible assets	137.7	151.7
Trademarks and trade names [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	518.0	522.1
Accumulated amortization	(258.7)	(230.7)
Gross carrying amount	452.1	457.0
Total identifiable intangible assets	711.4	748.4
Customer relationships [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	5,073.1	5,109.1
Accumulated amortization	(2,198.8)	(1,939.5)
Total identifiable intangible assets	2,874.3	3,169.6
In Process Research and Development (IPR&D) [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	7.0	13.0
Total identifiable intangible assets	7.0	13.0
Other [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	174.0	136.6
Accumulated amortization	(94.7)	(79.3)
Total identifiable intangible assets	$ 79.3	$ 57.3