Equity Method Investments (Balance Sheet) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Other current liabilities	$ 4,619.6	$ 4,960.7
Other Liabilities, Noncurrent	1,933.6	2,483.1
Clean energy investments
Schedule of Equity Method Investments [Line Items]
Other liabilities	10.9	47.5
Other assets | Clean energy investments
Schedule of Equity Method Investments [Line Items]
Investments in subsidiaries	$ 0.0	$ 47.9