Revenue - Desegregation of Revenue (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Net revenues	$ 3,495,500,000	$ 3,470,900,000	$ 9,275,600,000	$ 9,892,200,000
Americas [Member]
Disaggregation of Revenue [Line Items]
Net revenues	2,745,800,000	2,707,500,000	7,300,000,000.0	7,685,500,000
Americas [Member] | Equipment
Disaggregation of Revenue [Line Items]
Net revenues	1,837,000,000.0	1,810,200,000	4,893,600,000	5,291,300,000
Americas [Member] | Services and parts
Disaggregation of Revenue [Line Items]
Net revenues	908,800,000	897,300,000	2,406,400,000	2,394,200,000
EMEA [Member]
Disaggregation of Revenue [Line Items]
Net revenues	445,200,000	456,300,000	1,182,700,000	1,289,400,000
EMEA [Member] | Equipment
Disaggregation of Revenue [Line Items]
Net revenues	295,600,000	302,100,000	792,600,000	873,700,000
EMEA [Member] | Services and parts
Disaggregation of Revenue [Line Items]
Net revenues	149,600,000	154,200,000	390,100,000	415,700,000
Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Net revenues	304,500,000	307,100,000	792,900,000	917,300,000
Asia Pacific [Member] | Equipment
Disaggregation of Revenue [Line Items]
Net revenues	208,600,000	213,700,000	545,500,000	645,200,000
Asia Pacific [Member] | Services and parts
Disaggregation of Revenue [Line Items]
Net revenues	$ 95,900,000	$ 93,400,000	247,400,000	272,100,000
Transferred at Point in Time [Member]
Disaggregation of Revenue [Line Items]
Net revenues			$ 0.81	$ 0.83