Balance Sheet Components (Other Assets) (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Schedule of Other Assets [Line Items]
Operating lease right-of-use assets	$ 311.4	$ 323.6
Other long-term assets	674.6	676.0
Other assets	1,019.6	1,047.5
Other assets | Clean energy investments
Schedule of Other Assets [Line Items]
Equity method investments	$ 33.6	$ 47.9