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Condensed Consolidated Statements of Cash Flows (unaudited) (Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2021
Mar. 31, 2020
Details of end of period cash and cash equivalents and restricted cash:    
Cash and cash equivalents $ 928.7 $ 5,440.5
Restricted cash included in other current assets and other assets, net 6.4 40.5
Cash and cash equivalents and restricted cash included in assets held for sale 3,348.0 1.1
Total cash and cash equivalents and restricted cash $ 4,283.1 $ 5,482.1