Long-lived Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Property, Plant and Equipment [Abstract]
Noncash vendor financing arrangement, cash increase, excluding value added tax	$ 328.2	$ 370.9
Value added tax, vendor financing arrangement	$ 41.4	$ 63.6