Balance Sheet Components (Other Long-term Obligations) (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Schedule of Other Noncurrent Liabilities [Line Items]
Employee benefit liabilities	$ 402.4	$ 408.9
Contingent consideration	223.2	250.7
Tax related items, including contingencies	110.2	109.6
Operating Lease, Liability, Noncurrent	159.2	175.7
Other	87.7	79.1
Other long-term obligations	901.3	960.8
Clean energy investments
Schedule of Other Noncurrent Liabilities [Line Items]
Other long-term obligations	38.4	57.2
Other long-term obligations
Schedule of Other Noncurrent Liabilities [Line Items]
Contingent consideration	$ 103.4	$ 130.3