Revenue Recognition and Accounts Receivable (Accounts Receivable, Net) (Details) - USD ($) $ in Millions	6 Months Ended	9 Months Ended
Jun. 30, 2020	Sep. 30, 2020	Dec. 31, 2019
Revenue from Contract with Customer [Abstract]
Proceeds from Sale and Collection of Receivables	$ 90.1	$ 123.0
Trade receivables, net		2,587.8	$ 2,640.1
Other receivables		376.3	418.7
Accounts receivable, net		$ 2,964.1	$ 3,058.8

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

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The cash inflow associated with the proceeds from sale and collection of receivables during the period.

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The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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