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Derivative Instruments and Hedging Activities (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
Foreign Currency Contracts
Total gain (loss)	$ 3	$ (1)	$ 4	$ (7)
Exchange Contract [Member]
Foreign Currency Contracts
Total gain (loss)	9	1	4	(7)
Forward Contracts [Member]
Foreign Currency Contracts
Total gain (loss)		(1)	(1)	1
Metal Contract [Member]
Foreign Currency Contracts
Total gain (loss)	$ (6)	$ (1)	$ 1	$ (1)

X

- Definition

Net Increase or Decrease in the fair value of the derivative or group of derivatives included in earnings.

+ 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=6935481&loc=SL5618551-113959

+ Details

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