Financial Instruments (Pre-Tax Effect of Foreign Exchange Contracts Designated as Cash Flow Hedging Instruments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Maturity of Foreign Currency Derivatives			May 31, 2024
Amount of Gain/(Loss) Recognized in Other Comprehensive Earnings/(Losses) on Derivatives	$ 56	$ 2	$ 21	$ 158
Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Higher Remaining Maturity Range			15 months
Foreign Exchange Contract [Member] | Other Comprehensive Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Other Comprehensive Earnings/(Losses) on Derivatives	56	2	21	158
Foreign Exchange Contract [Member] | Other Comprehensive Income (Loss) [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Other Comprehensive Earnings/(Losses) on Derivatives	62	2	22	181
Foreign Exchange Contract [Member] | Net revenues [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	27	88	59	213
Foreign Exchange Contract [Member] | Net revenues [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	27	88	59	213
Foreign Exchange Contract [Member] | 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	6
Foreign Exchange Contract [Member] | Cost of sales [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	0	0	0	6
Foreign Exchange Contract [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	(17)	0	(18)	0
Foreign Exchange Contract [Member] | Marketing, administration and research costs [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	(17)	0	(18)	0
Foreign Exchange Contract [Member] | Interest expense, net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	(14)	(18)	(29)	(38)
Foreign Exchange Contract [Member] | Interest expense, net [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	(11)	(16)	(27)	(38)
Foreign Exchange Contract [Member] | Earnings before income taxes [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	(4)	70	12	181
Foreign Exchange Contract [Member] | Earnings before income taxes [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from Other Comprehensive Earnings/(Losses) into Earnings	$ (1)	$ 72	$ 14	$ 181