Supplemental Cash Flow Data (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Change in Operating Capital [Abstract]
(Increase) decrease in accounts receivable	$ 1,142.2	$ 1,095.5
(Increase) decrease in work in process and other current assets	(248.1)	(55.3)
Increase (decrease) in accounts payable	(1,755.4)	(1,953.8)
Increase (decrease) in customer advances, taxes payable and other current liabilities	12.2	63.0
Change in other assets and liabilities, net	(35.1)	7.1
Increase (decrease) in operating capital	(884.2)	(843.5)
Income taxes paid	49.9	42.7
Interest paid	14.1	5.3
Operating leases, Net increase in lease liability	76.3	38.7
Finance leases, Net increase in lease liability	$ 17.0	$ 11.7