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Derivatives - Outstanding Commodity Derivative Contracts (Details) - Not designated as hedging instruments item in Millions, $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 USD ($) item | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) item | Sep. 30, 2015 USD ($) | Dec. 31, 2015 item
Net sales |  |  |  |  |
Outstanding commodity derivatives contracts not designated as hedging instruments |  |  |  |  |
Net gains (losses) from derivatives not designated as hedging instruments recognized in net sales (in dollars) | $ | $ 9 | $ (119) | $ 35 | $ (163) |
Oil (in barrels) | Long position |  |  |  |  |
Outstanding commodity derivatives contracts not designated as hedging instruments |  |  |  |  |
Net Outstanding Position | 44 |  | 44 |  | 83
Natural gas (in cubic feet) | Short position |  |  |  |  |
Outstanding commodity derivatives contracts not designated as hedging instruments |  |  |  |  |
Net Outstanding Position | 49,000 |  | 49,000 |  | 5,000
Carbon dioxide (in cubic feet) | Long position |  |  |  |  |
Outstanding commodity derivatives contracts not designated as hedging instruments |  |  |  |  |
Net Outstanding Position | 555,000 |  | 555,000 |  | 603,000

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- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. + 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 Amount of realized and unrealized gain (loss) of derivative instruments not designated or 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 (e) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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