Long-lived Assets (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Long-lived Assets [Abstract]
Noncash vendor financing arrangement, cash increase, excluding value added tax	$ 1,033.6	$ 1,303.2
Value added tax, vendor financing arrangement	$ 172.5	$ 214.1