Financial Instruments and Fair Value Measurements, Outstanding foreign currency and commodity contracts (Details) - Not designated as hedges: [Member]	6 Months Ended
	Jun. 30, 2020
Foreign currency rates [Member] | Minimum [Member]
Derivative [Line Items]
Derivative, maturity date	July 2020
Foreign currency rates [Member] | Maximum [Member]
Derivative [Line Items]
Derivative, maturity date	March 2021
Commodities [Member] | Minimum [Member]
Derivative [Line Items]
Derivative, maturity date	July 2020
Commodities [Member] | Maximum [Member]
Derivative [Line Items]
Derivative, maturity date	December 2020