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, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Other Comprehensive Earnings/(Losses) on Derivatives in Cash Flow Hedging Relationship	$ (21)	$ 62	$ (23)	$ (12)
Amount of Gain/(Loss) Recognized in Other Comprehensive Earnings/(Losses) on Derivatives in Net Investment Hedging Relationship	(66)	746	145	138
Total Amount of Gain/(Loss) Recognized in Other Comprehensive Earnings/(Losses) on Derivatives	(87)	808	122	126
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	23	(10)	28	(13)
Net Revenue [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	19	2	29	(7)
Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	0	0	0	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	4	(11)	1	(3)
Interest Expense, Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	0	(1)	(2)	(3)
Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	31	23	48	10
Not Designated as Hedging Instrument [Member] | Interest Income Expense Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 31	$ 23	$ 48	$ 10