Long-lived Assets (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Property, Plant and Equipment [Abstract]
Noncash vendor financing arrangement, cash increase, excluding value added tax	$ 599.6	$ 1,011.7
Value added tax, vendor financing arrangement	$ 75.9	$ 172.5