Revenue - Schedule of Net Sales by Geography (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Sales Information [Line Items]
Net Sales	$ 1,929.3	$ 1,892.4	$ 4,939.2	$ 5,856.5
Americas [Member]
Sales Information [Line Items]
Net Sales	1,216.5	1,179.2	3,051.5	3,587.6
EMEA [Member]
Sales Information [Line Items]
Net Sales	366.2	374.6	983.0	1,276.5
Asia Pacific [Member]
Sales Information [Line Items]
Net Sales	$ 346.6	$ 338.6	$ 904.7	$ 992.4