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Financial and Derivative Instruments - Effect of Derivatives Not Designated On Hedging Instruments (Details) - Commodity - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Consolidated Statement of Income: The Effect of Derivatives not Designated as Hedging Instruments |  |
Derivative instruments not designated as hedging instruments, gain (loss), net | $ (194) | $ (209)
Sales and other operating revenues |  |
Consolidated Statement of Income: The Effect of Derivatives not Designated as Hedging Instruments |  |
Derivative instruments not designated as hedging instruments, gain (loss), net | (144) | (158)
Purchased crude oil and products |  |
Consolidated Statement of Income: The Effect of Derivatives not Designated as Hedging Instruments |  |
Derivative instruments not designated as hedging instruments, gain (loss), net | (44) | (64)
Other income (loss) |  |
Consolidated Statement of Income: The Effect of Derivatives not Designated as Hedging Instruments |  |
Derivative instruments not designated as hedging instruments, gain (loss), net | $ (6) | $ 13

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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://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 4CC -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4CC + Details
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