Goodwill and Intangible Assets - Summary of the Components of Intangible Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 6,156.2	$ 6,474.6
Less: accumulated amortization	(2,749.0)	(2,572.9)
Total intangible assets, net	3,407.2	3,901.7
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	4,490.0	4,728.7
Completed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	1,381.6	1,438.1
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	241.6	262.0
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 43.0	$ 45.8