Debt (Vendor Financing Obligations) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Vendor Financing Obligation [Roll Forward]
Balance at January 1	$ 9,145.0
Principal payments on operating-related vendor financing	(86.4)	$ (101.0)
Principal payments on capital-related vendor financing	(10.0)	(32.5)
Balance at March 31	9,404.4
Vendor financing
Vendor Financing Obligation [Roll Forward]
Balance at January 1	355.9	399.1
Operating-related vendor financing additions	71.2	97.4
Capital-related vendor financing additions	23.8
Principal payments on operating-related vendor financing	(86.4)	(101.0)
Principal payments on capital-related vendor financing	(10.0)	(32.5)
Foreign currency and other	16.0	(4.6)
Balance at March 31	$ 370.5	$ 389.0