Revenue Recognition and Accounts Receivable (Accounts Receivable, Net) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	$ 2,823.8	$ 3,243.8
Other current liabilities	876.6	570.7
Total	3,700.4	3,814.5
Variable Consideration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	1,483.6	1,798.7
Other current liabilities	996.3	888.8
Total	$ 2,479.9	$ 2,687.5