Amounts Recognized in Accumulated Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Cost of Products sold [Member] \| Net Investment Hedging [Member]
Amounts recognized in accumulated other comprehensive income (loss)
Gain (loss) recognized in accumulated other comprehensive income (loss)	$ 0	$ (8)	$ (9)	$ 4
Gain (loss) reclassified from accumulated other comprehensive income (loss)	(2)	(2)	(1)	(6)
Interest Expense [Member] \| Fair Value Hedging [Member]
Amounts recognized in net income
Gain (loss) recognized in net income	0	0	0	0
Floating to Fixed Interest Rate Swap [Domain] \| Cost of Products sold [Member] \| Cash Flow Hedges [Member]
Amounts recognized in accumulated other comprehensive income (loss)
Gain (loss) recognized in accumulated other comprehensive income (loss)	0	(1)	0	(2)
Gain (loss) reclassified from accumulated other comprehensive income (loss)	(1)	(1)	(1)	(1)
Fixed-to-floating interest rate swaps [Member] \| Interest Expense [Member] \| Fair Value Hedging [Member]
Amounts recognized in net income
Gain (loss) recognized in net income	(80)	24	(88)	14
Currency exchange contracts [Member] \| Cost of Products sold [Member] \| Cash Flow Hedges [Member]
Amounts recognized in accumulated other comprehensive income (loss)
Gain (loss) recognized in accumulated other comprehensive income (loss)	1	(3)	(8)	6
Gain (loss) reclassified from accumulated other comprehensive income (loss)	0	1	1	(1)
Commodity Contract [Member] \| Cost of Products sold [Member] \| Cash Flow Hedges [Member]
Amounts recognized in accumulated other comprehensive income (loss)
Gain (loss) recognized in accumulated other comprehensive income (loss)	(1)	(4)	(1)	0
Gain (loss) reclassified from accumulated other comprehensive income (loss)	(1)	(2)	(1)	(4)
Related long term debt converted to floating interest rates by interest rate swaps [Member] \| Interest Expense [Member] \| Fair Value Hedging [Member]
Amounts recognized in net income
Gain (loss) recognized in net income	$ 80	$ (24)	$ 88	$ (14)

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (a),(c),(d),(e)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4D

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624177-113959

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

+ Details

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