Financial Instruments (Cash Flow and Net Investment Hedging Activities Effect on Condensed Consolidated Statements of Earnings and Other Comprehensive Earnings) (Details) - Derivative Contract [Member] - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Other Comprehensive Earnings/(Losses) on Derivatives in Cash Flow Hedging Relationship	$ (38)	$ (21)	$ (7)	$ (23)
Amount of Gain/(Loss) Recognized in Other Comprehensive Earnings/(Losses) on Derivatives in Net Investment Hedging Relationship	(138)	(66)	269	145
Total Amount of Gain/(Loss) Recognized in Other Comprehensive Earnings/(Losses) on Derivatives	(176)	(87)	262	122
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	7	23	17	28
Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Earnings	14	31	48	48
Net Revenue [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	1	19	4	29
Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	3	0	7	0
Marketing Administration And Research Costs [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	6	4	11	1
Interest Expense, Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	(3)	0	(5)	(2)
Interest Income Expense Net [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Earnings	$ 14	$ 31	$ 48	$ 48