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Impairment Expense (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Impairment of Oil and Gas Properties [Line Items] |  |  |
Impairment of oil and gas properties | $ 202 | $ 382 | $ 376
Proved Properties |  |  |
Impairment of Oil and Gas Properties [Line Items] |  |  |
Impairment of oil and gas properties | 44 | 120 | 20
Unproved Properties |  |  |
Impairment of Oil and Gas Properties [Line Items] |  |  |
Impairment of oil and gas properties | 125 | 206 | 310
Impairment of oil and gas properties due to exit activities |  |  | 38
Other Assets |  |  |
Impairment of Oil and Gas Properties [Line Items] |  |  |
Impairment of oil and gas properties | 31 | 29 | 28
Inventories |  |  |
Impairment of Oil and Gas Properties [Line Items] |  |  |
Impairment of oil and gas properties | 0 | 25 | 13
Firm Commitments Contracts |  |  |
Impairment of Oil and Gas Properties [Line Items] |  |  |
Impairment of oil and gas properties | $ 2 | $ 2 | $ 5

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- Definition Impairment of Oil and Gas Properties Dues to Exit Activities + References No definition available. + Details
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- Definition Impairment of Oil and Gas Properties line items + References No definition available. + Details
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- Definition The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced. + 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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 35 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482450/932-360-35-11 + Details
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