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		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ (34)	$ (17)	$ 12	$ 5
Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Higher Remaining Maturity Range			13 months
Foreign Exchange Contract [Member] | Other Comprehensive Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	(34)	(17)	12	5
Foreign Exchange Contract [Member] | Other Comprehensive Income (Loss) [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	(38)	(19)	13	5
Foreign Exchange Contract [Member] | Net Revenues [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in earnings	13	0	24	0
Foreign Exchange Contract [Member] | Net Revenues [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in earnings	13	0	24	0
Foreign Exchange Contract [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in earnings	4	0	19	0
Foreign Exchange Contract [Member] | Cost of Sales [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in earnings	4	0	19	0
Foreign Exchange Contract [Member] | Marketing, Administration And Research Costs [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in earnings	0	0	0	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) recognized in earnings	0	0	0	0
Foreign Exchange Contract [Member] | Interest Expense, Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in earnings	(10)	3	(24)	(2)
Foreign Exchange Contract [Member] | Interest Expense, Net [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in earnings	(15)	(8)	(30)	(16)
Foreign Exchange Contract [Member] | Earnings Loss Before Income Taxes [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in earnings	7	3	19	(2)
Foreign Exchange Contract [Member] | Earnings Loss Before Income Taxes [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in earnings	$ 2	$ (8)	$ 13	$ (16)