Balance Sheet Components (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Capitalized Computer Software, Net	$ 62.3	$ 70.9
Net realizable value of inventory recognized as expense	474.9	206.1	$ 399.2
Depreciation	509.5	289.7	256.1
Other Liabilities, Current	4,619.6	4,960.7
Allowance for doubtful accounts
Schedule of Equity Method Investments [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	$ 154.5	$ 159.9	$ 72.8	$ 98.2