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Financial Instruments, Derivatives and Hedging Activities - Gains (Losses) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Gains or losses on derivatives |  |  |
Amount of Gains (Losses) Recognized in OCI on Derivatives | $ 8 | $ (16) | $ (17)
Amount of Gains (Losses) Reclassified from AOCI into Income | (6) | (6) | (49)
Commodity Contracts |  |  |
Gains or losses on derivatives |  |  |
Amount of Gains (Losses) Recognized in OCI on Derivatives | 8 | (22) | (15)
Commodity Contracts | Cost of Sales |  |  |
Gains or losses on derivatives |  |  |
Amount of Gains (Losses) Reclassified from AOCI into Income | (6) | (5) | (45)
Foreign Currency Contracts |  |  |
Gains or losses on derivatives |  |  |
Amount of Gains (Losses) Recognized in OCI on Derivatives |  | 6 | (2)
Foreign Currency Contracts | Net sales |  |  |
Gains or losses on derivatives |  |  |
Amount of Gains (Losses) Reclassified from AOCI into Income | 1 | 1 | (2)
Interest Rate Contract | Financing Costs, Net |  |  |
Gains or losses on derivatives |  |  |
Amount of Gains (Losses) Reclassified from AOCI into Income | (1) | $ (2) | $ (2)
Cash Flow Hedging | Commodity Contracts |  |  |
Gains or losses on derivatives |  |  |
Loss expected to be reclassified into earnings during the next twelve months on settled commodity hedging contracts, net of tax | (1) |  |
Cash Flow Hedging | Treasury Lock |  |  |
Gains or losses on derivatives |  |  |
Loss expected to be reclassified into earnings during the next twelve months on settled T-Locks, net of tax | $ (1) |  |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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- Definition The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994 + Details
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- Definition Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e637-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109978405&loc=d3e80720-113993 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580 + Details
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