Objectives and Strategies for Using Derivatives (Effect on the Income Statement) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Other Income and (Expense), Net [Member]
Undesignated Hedging Instruments	$ (3)	[1]	$ (57)	[1]	$ 95	[1]
Interest Rate Contract [Member] | Interest Expense [Member]
Fair Value Hedges	(14)		(8)		(9)
Foreign Exchange Contract [Member] | Other Income and (Expense), Net [Member]
Fair Value Hedges	0		(1)		6
Hedged Foreign Exchange Monetary Assets and Liabilities [Member] | Other Income and (Expense), Net [Member]
Fair Value Hedges	0		1		(6)
Hedged Debt Instruments [Member] | Interest Expense [Member]
Fair Value Hedges	14		8		9
Cash Flow Hedging [Member]
Gain or (Loss) Recognized in OCI	81		37		29
Gain or (Loss) Reclassified from AOCI into Income	39		17	[1]	45
Cash Flow Hedging [Member] | Interest Rate Contract [Member] | Interest Expense [Member]
Gain or (Loss) Recognized in OCI	81		21		(29)
Gain or (Loss) Reclassified from AOCI into Income	(3)		(3)		(3)
Cash Flow Hedging [Member] | Foreign Exchange Contract [Member] | Other Income and (Expense), Net [Member]
Gain or (Loss) Recognized in OCI	(8)		0		0
Gain or (Loss) Reclassified from AOCI into Income	(8)		0		0
Cash Flow Hedging [Member] | Foreign Exchange Contract [Member] | Cost of Products Sold [Member]
Gain or (Loss) Recognized in OCI	(7)		0		32
Gain or (Loss) Reclassified from AOCI into Income	40		7		5
Cash Flow Hedging [Member] | Commodity Contract [Member] | Cost of Products Sold [Member]
Gain or (Loss) Recognized in OCI	15		16		26
Gain or (Loss) Reclassified from AOCI into Income	10		13		43
Net Investment Hedging [Member] | Foreign Exchange Contract [Member]
Gain or (Loss) Recognized in OCI	(6)		6		18
Gain or (Loss) Reclassified from AOCI into Income	$ 0	[1]	$ 0		$ 0

[1] (Gains) and losses on these instruments primarily relate to derivatives entered into with third parties to manage foreign currency exchange exposure on remeasurement of non-functional currency denominated monetary assets and liabilities. Consequently, the effect on earnings from the use of these non-designated derivatives is substantially neutralized by the recorded transactional gains and losses recorded on the underlying assets and liabilities.