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Information Relating to the Consolidated Statement of Cash Flows - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Segment Reporting Information [Line Items] |  |  |
Non cash transaction in operating segments | $ (500) | $ (2,180) | $ (950)
Severance charges | (715) |  |
Operating Segments | Upstream |  |  |
Segment Reporting Information [Line Items] |  |  |
Non cash transaction in operating segments | (400) |  |
Operating Segments | Downstream |  |  |
Segment Reporting Information [Line Items] |  |  |
Severance charges | $ (715) |  |

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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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