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Derivative Instruments and Hedging Activities (Details 2) - USD ($) $ in Millions | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Other liabilities |  |
Derivative instruments and hedging activities |  |
Liabilities | $ (2) |
Foreign currency exchange contracts |  |
Derivative instruments and hedging activities |  |
Notional Amount | 28 | $ 55
Foreign currency exchange contracts | Receivables | Recurring | Level 2 |  |
Derivative instruments and hedging activities |  |
Assets | 1 | 6
Foreign currency forward contracts |  |
Derivative instruments and hedging activities |  |
Notional Amount | 35 | 79
Foreign currency forward contracts | Accrued liabilities. | Recurring | Level 2 |  |
Derivative instruments and hedging activities |  |
Liabilities | (3) | (1)
Foreign currency forward contracts | Other assets | Recurring | Level 2 |  |
Derivative instruments and hedging activities |  |
Assets |  | 2
Metal contracts |  |
Derivative instruments and hedging activities |  |
Notional Amount | 67 | 70
Metal contracts | Accrued liabilities. | Recurring | Level 2 |  |
Derivative instruments and hedging activities |  |
Liabilities | $ (9) | $ (2)

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624163-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226000-175313 + Details
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