Debt (Vendor Financing Obligations) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Vendor Financing Obligation [Roll Forward]
Balance at January 1	$ 13,370.2
Principal payments on operating-related vendor financing	(143.5)	$ (208.4)
Principal payments on capital-related vendor financing	(104.5)	(35.9)
Balance at March 31	14,758.7
Vendor financing
Vendor Financing Obligation [Roll Forward]
Balance at January 1	704.7	843.2
Operating-related vendor financing additions	141.4	133.7
Capital-related vendor financing additions	42.3	66.7
Principal payments on operating-related vendor financing	(143.5)	(208.4)
Principal payments on capital-related vendor financing	(104.5)	(35.9)
Foreign currency and other	14.9	(9.7)
Balance at March 31	$ 655.3	$ 789.6