Financial Instruments and Risk Management (Derivatives Not Designated as Hedging Instruments Fair Values of Derivative Instruments) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 134.7	$ 144.6
Liability Derivatives	187.0	61.0
Not designated as hedging instrument
Derivatives, Fair Value [Line Items]
Asset Derivatives	104.3	82.6
Liability Derivatives	160.6	56.7
Not designated as hedging instrument | Prepaid expenses & other current assets | Foreign Exchange Contract
Derivatives, Fair Value [Line Items]
Asset Derivatives	104.3	82.6
Not designated as hedging instrument | Other current liabilities | Foreign Exchange Contract
Derivatives, Fair Value [Line Items]
Liability Derivatives	$ 160.6	$ 56.7