Financial Instruments (Cash Flow and Net Investment Hedging Activities Effect on Condensed Consolidated Statements of Earnings and Other Comprehensive Earnings) (Details) - Foreign Exchange Contract [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Other Comprehensive Earnings/(Losses) on Derivatives	$ (486)	$ (162)	$ (1,487)	$ (424)
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	(6)	(19)	(3)	(25)
Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Other Comprehensive Earnings/(Losses) on Derivatives	6	(12)	(55)	(215)
Cash Flow Hedges [Member] | Net Revenue [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	13	(28)	28	(29)
Cash Flow Hedges [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	1	16	1	41
Cash Flow Hedges [Member] | Marketing Administration And Research Costs [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	(5)	3	(5)	2
Cash Flow Hedges [Member] | Interest Expense, Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	(15)	(10)	(27)	(39)
Net Investment Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Other Comprehensive Earnings/(Losses) on Derivatives	$ (492)	$ (150)	$ (1,432)	$ (209)