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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Taxes Information [Line Items] |  |  |  |
Net deferred tax assets |  | $ 3,696 | $ 3,853 |
Deferred income taxes |  | 8,813 | 7,726 |
U.S. foreign tax credits |  | 4,700 |  |
Adjustment to valuation allowance |  | (2) | 5 | $ (45)
Undistributed earnings of foreign subsidiaries |  | 4,975 |  |
Estimated tax payable on undistributed unremitted foreign income |  | 249 |  |
Unrecognized tax benefits that would impact effective tax rate |  | 378 | 701 | 1,261
Unrecognized tax benefit, lapse of statute |  | 224 | 75 | 48
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities |  | 96 | 510 | 0
Recognized federal and state tax benefit |  |  | 515 |
Unrecognized tax benefits, income tax penalties and interest accrued |  | 45 | 35 | 47
Interest and penalties (benefiting) charging earnings |  | 10 | (12) | 1
Certain Jurisdictions Outside Of Domestic |  |  |  |
Income Taxes Information [Line Items] |  |  |  |
Operating loss carryforwards |  | 900 |  |
Norwegian Tax Administration |  |  |  |
Income Taxes Information [Line Items] |  |  |  |
Adjustment to valuation allowance | $ 58 |  |  |
Canada Revenue Agency |  |  |  |
Income Taxes Information [Line Items] |  |  |  |
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities |  | 92 |  |
Disposition CVE Common Shares |  |  |  |
Income Taxes Information [Line Items] |  |  |  |
Increase (decrease) in valuation allowance |  |  |  | 218
Impairment Of APLNG Investment |  |  |  |
Income Taxes Information [Line Items] |  |  |  |
Increase (decrease) in valuation allowance |  |  |  | 206
Disposition Of Indonesia Entities |  |  |  |
Income Taxes Information [Line Items] |  |  |  |
U.S. foreign tax credits |  |  |  | $ 29
Noncurrent Assets |  |  |  |
Income Taxes Information [Line Items] |  |  |  |
Net deferred tax assets |  | $ 255 | $ 241 |

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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(15)(b)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482525/740-10-45-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482525/740-10-45-6 + Details
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