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v3.19.1

Price Risk Management Activities, Gain (Loss) by Income Statement Location (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Commodity Contracts [Member] | Cost of Materials and Other [Member] |  |
Effect of Derivative Instruments on Income |  |
Gain (loss) recognized in income on derivatives | $ (71) | $ (12)
Foreign Currency Contracts [Member] | Cost of Materials and Other [Member] |  |
Effect of Derivative Instruments on Income |  |
Gain (loss) recognized in income on derivatives | (9) | (3)
Foreign Currency Contracts [Member] | Other Income, Net [Member] |  |
Effect of Derivative Instruments on Income |  |
Gain (loss) recognized in income on derivatives | $ 7 | $ 0

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
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- Definition Effect of Derivative Instruments on Statements of Income [Abstract] + References No definition available. + Details
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- Details
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