Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Weighted Average Number of Shares Outstanding (000s) Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Amortization to net income of net prior service costs and curtailments Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Decrease (increase) in long-term receivables Increase (Decrease) in Long-Term Receivables, Current Derivative Assets Offsetting Derivative Assets [Abstract] Title of 12(b) Security Title of 12(b) Security Carrying Value Reported Value Measurement [Member] Document Fiscal Year Focus Document Fiscal Year Focus Gross Amounts Offset Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Time deposits Cash Equivalent, Time Deposit, Carrying Value Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Segment Reporting [Abstract] Common stock (authorized 6,000,000,000 shares, $0.75 par value; 2,442,676,580 shares issued at June 30, 2026 and December 31, 2025) Common stock issued at par Common Stock, Value, Issued Non - trade allowance for credit loss Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Current Interest expense Interest Expense, Operating and Nonoperating Distributions more (less) than income from equity affiliates included the following: Income (Loss) from Equity Method Investments, Net of Dividends or Distributions [Abstract] Prior service credits (cost) Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Reclassification Adjustment, before Tax [Abstract] Employee Benefits Retirement Benefits [Text Block] Loss contingency accrual Loss Contingency Accrual Restatement Determination Date Restatement Determination Date Investments and advances Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Long-term debt Long-Term Debt and Lease Obligation, Including Current Maturities Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Net cash provided by operating activities included the following cash payments: Net Cash Payments for Interest on Debt and Income Taxes Provided by Operating Activities [Abstract] Net cash payments for interest on debt and income taxes. Decrease in income tax expense Increase (Decrease) In Income Tax Expense (Benefit) Increase (Decrease) In Income Tax Expense (Benefit) 4.300% due 2027 4.300% Due Two Thousand Twenty Seven [Member] 4.300% Due Two Thousand Twenty Seven Financial Instruments - Credit Losses Financing Receivables [Text Block] Proceeds and deposits related to asset sales and returns of investment Proceeds from Sale of Productive Assets Amendment Flag Amendment Flag Before-tax deferred gains in accumulated other comprehensive gains Deferred Gains (Losses) In Accumulated Other Comprehensive Losses Due To Outstanding Crude Oil Price Hedging Contracts Deferred Gains (Losses) In Accumulated Other Comprehensive Losses Due To Outstanding Crude Oil Price Hedging Contracts Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Upstream Upstream Segment [Member] Upstream Segment Hess Midstream Operations LP Hess Midstream Operations LP [Member] Hess Midstream Operations LP Properties, plant and equipment Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Loss Contingencies [Table] Loss Contingencies [Table] Distributions to noncontrolling interests Payments to Noncontrolling Interests Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Assets held for sale Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Entity Address, State or Province Entity Address, State or Province Stock dividends Dividends, Value, Common Stock, Stock Dividends, Value, Common Stock, Stock PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Member] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Receivables Contract with Customer, Asset, after Allowance for Credit Loss, Current Retirement Benefits [Abstract] Retirement Benefits [Abstract] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Loss Contingencies [Line Items] Loss Contingencies [Line Items] Total Current Liabilities Current liabilities Liabilities, Current Entity Address, City or Town Entity Address, City or Town Schedule of Information Relating to Consolidated Statement of Cash Flows Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Pending Litigation Pending Litigation [Member] Defined benefit plans sponsored by equity affiliates - benefit (cost) Defined Benefit Plans Sponsored By Equity Affiliates - (Cost) Benefit Defined benefit plans sponsored by equity affiliates - (cost) benefit Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Receivables [Abstract] Receivables [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] International Foreign Plan [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Class of Stock [Axis] Class of Stock [Axis] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Returns of investment from equity affiliates Proceeds from Equity Method Investment, Distribution, Return of Capital Inventories: Inventory, Net [Abstract] Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Other Comprehensive Gain (Loss), Net of Tax Other comprehensive income Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Schedule of Segment Assets Segment Reporting, Reconciliation of Asset by Segment to Consolidated [Table Text Block] U.S. United States UNITED STATES Total Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Schedule of Summarized Financial Data - Chevron U.S.A. Inc. Summarized Financial Data Subsidiary One [Table Text Block] Summarized financial data subsidiary one. New Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Litigation Case [Axis] Litigation Case [Axis] Non-Controlling Interests Noncontrolling Interest [Member] Net before-tax losses (gains) on asset retirements and sales Gain (Loss) on Disposition of Property Plant Equipment Domestic Plan Domestic Plan [Member] Revenue Revenue from Contract with Customer [Policy Text Block] Income (taxes) benefit on defined benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Long-term debt, net carrying value Long-Term Debt Net borrowings (repayments) of short-term obligations consisted of the following gross and net amounts: Short-Term Debt [Abstract] Allowance for credit loss Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Increase (decrease) in income and other taxes payable Increase (Decrease) in Income Taxes Payable Current liabilities Business Combination, Recognized Liability Assumed, Liability, Current Document Period End Date Document Period End Date Net decrease (increase) in operating working capital was composed of the following: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net Cash Used for Investing Activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Crude oil and products Inventory, Finished Goods and Work in Process, Gross Obligation to return cash not offset Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Costs and Other Deductions Costs and Expenses [Abstract] Security Exchange Name Security Exchange Name Long-term debt Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent Dry hole expense Dry Hole Expense Dry Hole Expense Schedule of Segment Sales and Other Operating Revenues Segment Reporting, Reconciliation of Revenue by Segment to Consolidated [Table Text Block] Treasury stock, at cost (466,905,306 and 448,260,458 shares at June 30, 2026 and December 31, 2025, respectively) Treasury Stock, Common, Value Crude Oil Crude Oil [Member] Contributions from noncontrolling interests Proceeds from Noncontrolling Interests Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Axis] Pre-medicare company contribution for retiree medical coverage, maximum percent Maximum Annual Increase Percentage to Company Contribution for Retiree Medical Coverage Maximum annual increase percentage to Company contribution for retiree medical coverage. Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Information Relating to the Consolidated Statement of Cash Flows Cash Flow, Supplemental Disclosures [Text Block] Total Liabilities at Fair Value Liabilities, Fair Value Disclosure Accumulated other comprehensive losses Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Cash contributions to employee pension plans Payment for Pension Benefits Decrease in income before income tax expense Increase (Decrease) In Income (Loss) From Continuing Operations Before Equity Method Investments, Income Taxes, Noncontrolling Interest Increase (Decrease) In Income (Loss) From Continuing Operations Before Equity Method Investments, Income Taxes, Noncontrolling Interest Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Name Outstanding Recovery, Individual Name Per Share of Common Stock Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Hess Corporation Hess Corporation Excluding Hess Midstream Operations LP [Member] Hess Corporation Excluding Hess Midstream Operations LP Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Downstream Downstream Segment [Member] Downstream Segment Decrease (increase) in accounts and notes receivable Increase (Decrease) in Accounts and Notes Receivable Total Liabilities Liabilities Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Federal and other taxes on income Accrued Income Taxes, Current Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Schedule of Recognized Identified Assets Acquired and Liabilities and Fair Value of Long-Term Debt Assumed Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Company Selected Measure Name Company Selected Measure Name Schedule of Restricted Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Income (loss) from equity affiliates Equity Method Investment, Income Equity Method Investment, Income General Quarterly Financial Information [Text Block] 4.250% due 2030 4.2500% Due Two Thousand Thirty [Member] 4.2500% Due Two Thousand Thirty Total Liabilities at Fair Value Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value Additions to investments Payments to Acquire Interest in Subsidiaries and Affiliates Chevron U.S.A. Inc. Chevron USA Inc [Member] Chevron USA Inc. Defined Benefit Plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Net decrease (increase) in operating working capital Increase (Decrease) In Operating Working Capital Increase (Decrease) In Operating Working Capital Operating Activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Percent of shares Business Combination, Voting Equity Interest Acquired, Percentage Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Dividends paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Repayment of loans by equity affiliates Proceeds from Collection of Long-Term Loans to Related Parties Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Noncurrent employee benefit plans Liability, Defined Benefit Plan, Noncurrent Notional amount, volume Derivative, Nonmonetary Notional Amount, Volume Additions to properties, plant and equipment Payments to Acquire Oil and Gas Property and Equipment Underlying Security Market Price Change Underlying Security Market Price Change, Percent Share repurchase excise tax payment Payments for Repurchase Excise Tax Payments for Repurchase Excise Tax Deferred income tax provision Deferred Income Taxes and Tax Credits Properties, plant and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Financial and Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Accruals/Adjustments Restructuring Reserve, Accrual Adjustment Current-year dry hole expenditures Payments For Current-Year Dry Hole Expenditures Payments For Current-Year Dry Hole Expenditures Short-term debt Short-Term Debt Gross Amounts Recognized Derivative Liability, Subject to Master Netting Arrangement, before Offset Defined benefit plan, contributions by employer to employee pension plan Defined Benefit Plan, Plan Assets, Contributions by Employer Net sales (purchases) of treasury shares consisted of the following gross and net amounts: Proceeds from (Repurchase of) Equity [Abstract] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Less: Accumulated depreciation, depletion and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Award Timing Predetermined Award Timing Predetermined [Flag] Restricted cash included in “Prepaid expenses and other current assets” Restricted Cash, Current Treasury Stock (at cost) Treasury Stock, Common [Member] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Net Amounts Presented Derivative Liability, Subject to Master Netting Arrangement, after Offset Level 1 Fair Value, Inputs, Level 1 [Member] Proceeds and deposits related to asset sales and returns of investment consisted of the following gross amounts: Proceeds from Sale of Productive Assets [Abstract] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of Financial Statements [Abstract] Litigation Status [Domain] Litigation Status [Domain] Fair Value Measurements Fair Value of Financial Instruments, Policy [Policy Text Block] All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Schedule of Components of Net Periodic Benefit Cost Schedule of Net Benefit Costs [Table Text Block] Hess Corporation Hess Corporation [Member] Hess Corporation Number of defendants, U.S. states Loss Contingency, Number Of Defendants, U.S. States Loss Contingency, Number Of Defendants, U.S. States Defined benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] Components of Other Comprehensive Income (Loss): AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Issuances (in shares) Stock Issued During Period, Shares, Treasury Stock Reissued Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Actuarial gain (loss) Actuarial Loss [Abstract] Defined benefit plans and actuarial loss. Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Operating Segments and Geographic Data Segment Reporting [Text Block] Cash dividends - common stock Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date Hedging Relationship [Axis] Hedging Relationship [Axis] Number of Chevron treasury stocks held in benefit plan trust for funding obligations (in shares) Number Of Treasury Stocks Held In Benefit Plan Trust For Funding Obligations Number of treasury stocks held in the benefit plan trust for funding obligations. Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Contribution to other post retirement plans Payment for Other Postretirement Benefits Gross Amounts Not Offset Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Net Amount Derivative Asset, Subject to Master Netting Arrangement, after Offset and Deduction Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Total Equity Beginning balance Ending balance Total CUSA net equity Equity, Including Portion Attributable to Noncontrolling Interest Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Other liabilities Other Liabilities Business Combination [Line Items] Business Combination [Line Items] Net Periodic Other Benefit Costs Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Subsidiary Statements Captions [Line Items] Subsidiary Statements Captions [Line Items] Subsidiary statements captions. Net Income (Loss) Attributable to Chevron Corporation Earnings Per Share Reconciliation [Abstract] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Exercise Price Award Exercise Price Investing Activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Litigation Status [Axis] Litigation Status [Axis] Segment Reporting [Line Items] Segment Reporting [Line Items] Net assets acquired / purchase price Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill, Less Noncontrolling Interest Proceeds and deposits related to asset sales Proceeds from Sales of Assets, Investing Activities Document Quarterly Report Document Quarterly Report Non-trade receivable Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss, Current Deferred compensation and benefit plan trust Common Stock, Held-in-Trust Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Settled Litigation Settled Litigation [Member] Common Stock Common Stock Including Additional Paid in Capital [Member] Income (Loss) Before Income Tax Expense Income before income tax expense Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Memo: Total debt Contractual Obligation Unamortized discounts and debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Schedule of Subsidiary Financial Statements [Table] Schedule of Subsidiary Financial Statements [Table] Schedule of subsidiary financial statements. Schedule of Accrued Severance Liability Restructuring and Related Costs [Table Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Balance at January 1, 2026 Balance at June 30, 2026 Restructuring Reserve Business Combination [Table] Business Combination [Table] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Number of reportable segments not disclosed flag Number Of Reportable Segments Not Disclosed Flag Number Of Reportable Segments Not Disclosed Flag Business Combination and Asset Acquisition [Abstract] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Summarized Financial Data of Affiliate [Abstract] Summarized Financial Data of Affiliate [Abstract] Summarized financial data of affiliate. Total Costs and Other Deductions Costs and other deductions Costs and Expenses Adoption Date Trading Arrangement Adoption Date Debt instrument, interest rate, stated percentage Debt Instrument, Interest Rate, Stated Percentage Schedule of Affiliate Financial Statements [Table] Schedule of Affiliate Financial Statements [Table] Schedule Of Affiliate Financial Statements. Cash dividends Dividends, Common Stock, Cash Total Chevron Corporation Stockholders’ Equity Equity, Attributable to Parent Other assets Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent Settlement losses (gains) Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Shares issued in transaction (in shares) Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Allowance for accounts and notes receivable, current Accounts Receivable, Allowance for Credit Loss, Current Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Prior service (costs) credits arising during period Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax Litigation amount awarded Loss Contingency, Damages Awarded, Value Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Selling, general and administrative expenses Selling, General and Administrative Expense 7.125% due 2033 7.125% Due Two Thousand Thirty Three [Member] 7.125% Due Two Thousand Thirty Three Percentage of affiliate by summarized financial information Percentage of Affiliate by Summarized Financial Information Percentage of affiliate by summarized financial information. Business Combination [Domain] Business Combination [Domain] Schedule of Capital Expenditures Capital Expenditures [Table Text Block] Capital expenditures. Other Contingencies and Commitments Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Entity Central Index Key Entity Central Index Key Pension Benefits Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Capital in excess of par value Additional Paid in Capital, Common Stock All Adjustments to Compensation All Adjustments to Compensation [Member] Business Combination [Axis] Business Combination [Axis] Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net Cash Provided by Operating Activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Litigation Legal Matters and Contingencies [Text Block] Other changes, net Stockholders' Equity, Other Before Reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Net maturities of (investments in) time deposits Increase (Decrease) In Time Deposits, Investing Activities Increase (Decrease) In Time Deposits, Investing Activities Derivatives - designated Designated as Hedging Instrument [Member] Intersegment Eliminations Intersegment Eliminations [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Segment Total Reportable Segment, Aggregation before Other Operating Segment [Member] Net sales (purchases) of treasury shares Net sales (purchases) of treasury shares Proceeds from (Repurchase of) Equity City Area Code City Area Code Accumulated Other Comp. Income (Loss) Total AOCI Attributable to Parent [Member] Properties, plant and equipment, at cost Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization All Individuals All Individuals [Member] Fair value of debt Debt Instrument, Fair Value Disclosure Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] 7.875% due 2029 7.875% Due Two Thousand Twenty Nine [Member] 7.875% Due Two Thousand Twenty Nine Statement [Line Items] Statement [Line Items] Total Assets Total Assets Assets Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Entity [Domain] Entity [Domain] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Cash and cash equivalents Cash and Cash Equivalents, Excluding Time Deposits Cash and Cash Equivalents, Excluding Time Deposits New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Accounting Standards Update and Change in Accounting Principle [Abstract] Amortization of prior service costs (credits) Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Operating Segments Operating Segments [Member] Total liabilities assumed Business Combination, Recognized Liability Assumed, Liability Energy [Domain] Energy [Domain] 6.000% due 2040 6.000% Due Two Thousand Forty [Member] 6.000% Due Two Thousand Forty PEO PEO [Member] Net decrease (increase) in other deferred charges Increase (Decrease) in Deferred Charges Other taxes payable Accrual for Taxes Other than Income Taxes, Current 5.800% due 2047 5.800% Due Two Thousand Forty Seven [Member] 5.800% Due Two Thousand Forty Seven Gross Amounts Offset Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Measurement Basis [Axis] Goodwill Goodwill Goodwill Retirement Plan Type [Axis] Retirement Plan Type [Axis] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Gross Amounts Not Offset Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Summarized Financial Data - Tengizchevroil LLP Summarized Financial Data of Affiliate [Text Block] Summarized financial data of affiliate. Retained Earnings Retained Earnings [Member] Unrealized Holding Gains (Losses) on Securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Beginning balance, shares outstanding (in shares) Ending balance, shares outstanding (in shares) Common Stock, Shares, Outstanding Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Net gain (loss) arising during period OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Award Timing Disclosures [Line Items] Currency Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Diluted (in dollars per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net Cash Provided by (Used for) Financing Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Net decrease (increase) in operating working capital Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital Decrease (increase) in prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Income taxes on derivatives transactions Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Cash Flow Hedging Cash Flow Hedging [Member] Fair market value adjustment for debt acquired in the acquisition Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Market Value Adjustment Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Market Value Adjustment Litigation Case Type [Domain] Litigation Case [Domain] Net borrowings (repayments) of short-term debt obligations with three months or less maturity Proceeds from (Repayments of) Short-Term Debt, Maturing in Three Months or Less 5.500% due 2030 5.500% Due Two Thousand Thirty [Member] 5.500% Due Two Thousand Thirty Adjustments Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Schedule Consolidated Balance Sheet: The Effect of Netting Derivative Assets Offsetting Assets [Table Text Block] Total assets acquired Business Combination, Recognized Asset Acquired, Asset Financing Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Sales and other operating revenues Sales and other operating revenues Revenue from Contract with Customer, Excluding Assessed Tax Interest cost Defined Benefit Plan, Interest Cost 6.500% due 2029 6.500% Due Two Thousand Twenty Nine [Member] 6.500% Due Two Thousand Twenty Nine Derivatives assets Derivative Asset Noncontrolling interest Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Comprehensive loss (income) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Fair Value Estimate of Fair Value Measurement [Member] Revenue Revenue from Contract with Customer [Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Prepaid expenses and other current assets Prepaid Expense, Current Shares issued for share-based compensation plans Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised Decrease (increase) in inventories Increase (Decrease) in Inventories Net contributions from (distributions to) noncontrolling interests Net contributions from (distributions to) noncontrolling interests Proceeds from (Payments to) Noncontrolling Interests Segment Reporting [Table] Segment Reporting [Table] Capital expenditures Capital and Exploratory Expenditures, Including Equity Affiliates [Abstract] Capital and exploratory expenditures, including equity affiliates. Benefit plan trust Compensation and Benefits Trust Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Derivatives Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract] Number of parishes Number of Parishes Number of Parishes Acquisition of Hess Corporation Business Combination [Text Block] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Summarized Financial Data of Subsidiary One [Abstract] Summarized Financial Data of Subsidiary One [Abstract] Summarized financial data - Chevron USA Inc. Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Service cost Defined Benefit Plan, Service Cost Net borrowings (repayments) of short-term obligations Net borrowings (repayments) of short-term obligations Proceeds from (Repayments of) Short-Term Debt Corporate Bonds Corporate Bond Securities [Member] Reclassification to net income Loss reclassified from designated hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Taxes other than on income Taxes, Other Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Common stock, shares issued (in shares) Beginning balance, shares issued (in shares) Ending balance, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Chemicals Energy Related Inventory, Chemicals Treasury stock (in shares) Beginning balance, treasury shares (in shares) Ending balance, treasury shares (in shares) Treasury Stock, Common, Shares Distributions more (less) than income from equity affiliates Distributions more (less) than income from equity affiliates Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Other income (loss) Nonoperating Income (Loss) Nonoperating Income (Loss) Current assets Business Combination, Recognized Asset Acquired, Asset, Current Changes in Accumulated Other Comprehensive Losses Comprehensive Income (Loss) Note [Text Block] Other costs and deduction Other Cost and Expense, Operating Equity Components [Axis] Equity Components [Axis] Entity Interactive Data Current Entity Interactive Data Current Materials, supplies and other Other Inventory, Supplies, Gross Less: Net income (loss) attributable to noncontrolling interests Less: Net income (loss) attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Noncurrent deferred income taxes Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Entity Small Business Entity Small Business Comprehensive Income (Loss) Attributable to Chevron Corporation Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] 5.600% due 2041 5.600% Due Two Thousand Forty One [Member] 5.600% Due Two Thousand Forty One Total Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Net Amounts Presented Derivative Asset, Subject to Master Netting Arrangement, after Offset Deferred charges and other assets Other Assets, Noncurrent Document Type Document Type Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Accrued liabilities Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Consolidated Balance Sheet: Fair Value of Derivatives not Designated as Hedging Instruments Derivative Instruments Not Designated as Hedging Instruments [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Operating expenses Operating Costs and Expenses Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Proceeds from issuances of long-term debt Proceeds from Issuance of Long-Term Debt Local Phone Number Local Phone Number Long-term receivables (less allowance: 2026 - $216; 2025 - $216) Accounts Receivable, Excluding Accrued Interest, after Allowance for Credit Loss, Noncurrent Other Benefits Other Postretirement Benefits Plan [Member] Assets Held For Sale [Abstract] Assets Held For Sale [Abstract] Assets Held For Sale [Abstract] Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Total Revenues and Other Income Revenues Unrealized holding gain (loss) on securities OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] (Income) loss from equity affiliates Income (Loss) from Equity Method Investments Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Increase (decrease) in accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Deferred credits and other noncurrent obligations Contract With Customer, Liability, And Other Noncurrent Liability Contract With Customer, Liability, And Other Noncurrent Liability Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Affiliate Statements Captions [Line Items] Affiliate Statements Captions [Line Items] Affiliate Statements Captions. Liabilities and Equity Liabilities and Equity [Abstract] Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Total inventories Inventory, Net All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount 5.875% due 2028 5.875% Due Two Thousand Twenty Eight [Member] 5.875% Due Two Thousand Twenty Eight Fair Value Measurements Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Purchases (in shares) Treasury Stock, Shares, Acquired Schedule of Summarized Financial Data - Tengizchevroil LLP Summarized Financial Data Affiliate [Table Text Block] Summarized financial data affiliate PEO Name PEO Name Geographical [Axis] Geographical [Axis] 5.125% due 2028 5.125% Due Two Thousand Twenty Eight [Member] 5.125% Due Two Thousand Twenty Eight Other components of net periodic benefit costs Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component Derivatives Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Income taxes Income Tax Paid, before Refund Received Other assets Other Assets Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Legal Entity [Axis] Legal Entity [Axis] Interest and debt expense Interest Expense, Debt Number of native american tribes Loss Contingency, Number Of Defendants, Native American Tribes Loss Contingency, Number Of Defendants, Native American Tribes Purchases of treasury shares Treasury Stock, Value, Acquired, Cost Method Payments Payments for Restructuring Cash, Cash Equivalents and Restricted Cash at January 1 Cash, Cash Equivalents and Restricted Cash at June 30 Total cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Issuances of treasury shares Stock Issued During Period, Value, Treasury Stock Reissued 7.300% due 2031 7.300% Due Two Thousand Thirty One [Member] 7.300% Due Two Thousand Thirty One Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Borrowing of loans by equity affiliates Payments to Fund Long-Term Loans to Related Parties Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Net Amount Derivative Liability, Subject to Master Netting Arrangement, after Offset and Deduction Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Long-term debt Business Combination, Recognized Liability Assumed, Long-Term Debt And Finance Leases, Noncurrent Business Combination, Recognized Liability Assumed, Long-Term Debt And Finance Leases, Noncurrent Comprehensive Income (Loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Operating and SG&A expenses Operating Expenses And Selling, General and Administrative Expense Operating Expenses And Selling, General and Administrative Expense Other liabilities Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Equity ownership, percentage Equity Method Investment, Ownership Percentage Net maturities of (investments in) time deposits Increase (Decrease) in Time Deposits Investment, Name [Domain] Investment, Name [Domain] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Schedule of Consolidated Balance Sheet: Fair Value of Derivatives Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Basic (in dollars per share) Earnings Per Share, Basic Shares purchased under share repurchase and executive compensation plans Payments for Repurchase of Common Stock Total Current Assets Current assets Assets, Current Insider Trading Arrangements [Line Items] Term loan and credit facility borrowings Term Loan And Credit Facility Borrowings [Member] Term Loan And Credit Facility Borrowings Repayments of long-term debt and other financing obligations Repayment of Long-Term Debt, Long-Term Lease Obligation, and Capital Security Schedule of Consolidated Statement of Income: The Effect of Derivatives Derivative Instruments, Gain (Loss) [Table Text Block] Costs and other deductions Cost of Revenue Award Type Award Type [Axis] Net derivatives gain (loss) on hedge transactions Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Trade receivable Accounts Receivable, after Allowance for Credit Loss, Current Consolidated Statement of Income: The Effect of Derivatives not Designated as Hedging Instruments Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net [Abstract] Retained earnings Retained Earnings (Accumulated Deficit) Components of Net Periodic Benefit Cost and Amounts Recognized in Other Comprehensive Income Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax [Abstract] Commodity Commodity Contract [Member] Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Climate Change Climate Change [Member] Climate Change Restricted cash included in “Deferred charges and other assets” Restricted Cash, Noncurrent Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Pension Benefits Pension Plan [Member] Net maturities of (investments in) time deposits consisted of the following gross amounts: Maturities of Time Deposits [Abstract] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Treasury stock transactions Adjustments To Additional Paid In Capital Adjustments To Additional Paid In Capital Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Int’l. International Non-US [Member] Hess Midstream LP Hess Midstream LP [Member] Hess Midstream LP Coastal Erosion Coastal Erosion [Member] Coastal Erosion Fair Market Value of Long-Term Debt Assumed Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Market Value of Long Term Debt Assumed Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Market Value of Long Term Debt Assumed Derivative Contract Type [Domain] Derivative Contract [Domain] Proceeds and deposits related to asset sales and returns of investment Proceeds From Sale of Productive Assets And Equity Method Investment Proceeds From Sale of Productive Assets And Equity Method Investment Equity Awards Adjustments Equity Awards Adjustments [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Total Liabilities and Equity Liabilities and Equity Net contributions from (distributions to) noncontrolling interests consisted of the following gross amounts: Proceeds from (Payments to) Noncontrolling Interests [Abstract] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Employee benefits for reclassified components Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Noncontrolling interests Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Tabular List, Table Tabular List [Table Text Block] Summarized Financial Data - Chevron U.S.A. Inc. Summarized Financial Data of Subsidiary [Text Block] Summarized financial data of subsidiary. Chevron Corp. Stockholders’ Equity Parent [Member] Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Preferred stock (authorized 100,000,000 shares; $1.00 par value; none issued) Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Number of pending lawsuits and claims Loss Contingency, Pending Claims, Number Reclassifications Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Assets Held For Sale Assets Held For Sale Disclosure [Text Block] Assets Held For Sale Disclosure [Text Block] Hedging Designation [Domain] Hedging Designation [Domain] Class of Stock [Domain] Class of Stock [Domain] Maturities of time deposits Time deposits matured Time deposits matured. Tengizchevroil LLP Tengizchevroil LLP [Member] Tengizchevroil LLP. Schedule of Summarized Financial Data Affiliate Net Equity One Summarized Financial Data Subsidiary Net Equity One [Table Text Block] Schedule one of summarized financial data subsidiary net equity. Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest on debt (net of capitalized interest) Interest Paid, Excluding Capitalized Interest, Operating Activity Capital expenditures Capital expenditures Payments to Acquire Productive Assets Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Curtailment losses (gains) Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment Hedging Designation [Axis] Hedging Designation [Axis] Liability balance Other Commitment Restructuring and Reorganization Costs Restructuring and Related Activities Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total Assets at Fair Value Assets, Fair Value Disclosure Exploration expenses Exploration Expense Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Total Assets at Fair Value Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] All Other Other Operating Segment [Member] Other Other Noncash Income (Expense) Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Aggregate purchase price Business Combination, Consideration Transferred Retirement Plan Type [Domain] Retirement Plan Type [Domain] Entity Filer Category Entity Filer Category Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] Net repayment (borrowing) of loans by equity affiliates consisted of the following gross amounts: Proceeds from Collection of (Payments to Fund) Long-Term Loans to Related Parties [Abstract] Investments in time deposits Time deposits purchased Time deposits purchased. Repayments of short-term debt obligations Repayments of Short-Term Debt Allowance for long-term receivables Accounts Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Noncurrent Schedule of Consolidated Balance Sheet: The Effect of Netting Derivative Liabilities Offsetting Liabilities [Table Text Block] Name Trading Arrangement, Individual Name Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Energy [Axis] Energy [Axis] Company Selected Measure Amount Company Selected Measure Amount Distributions from equity affiliates Proceeds from Equity Method Investment, Distribution Derivatives - not designated Not Designated as Hedging Instrument [Member] Depreciation, depletion and amortization Depreciation, depletion and amortization Depreciation, Depletion and Amortization Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Net Income (Loss) Net Income (Loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Derivatives liabilities Derivative Liability Non-PEO NEO Non-PEO NEO [Member] Amortization to net income of net actuarial loss and settlements Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Entity Address, Address Line One Entity Address, Address Line One Income Tax Expense (Benefit) Related income taxes Income tax expense (benefit) Income Tax Expense (Benefit) Acquisition of Hess Corporation common stock Payments To Acquire Common Stock During Acquisition Payments To Acquire Common Stock During Acquisition Purchased crude oil and products Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Net Change in Cash, Cash Equivalents and Restricted Cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Derivative Liabilities Offsetting Derivative Liabilities [Abstract] Accounts and notes receivable (less allowance: 2026 - $178; 2025 - $176) Accounts and Financing Receivable, after Allowance for Credit Loss, Current Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Deferred income taxes Business Combination, Recognized Liability Assumed, Deferred Tax Liability Actuarial gain (loss) arising during period Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Amortization of actuarial losses (gains) Defined Benefit Plan, Amortization of Gain (Loss) New Accounting Standards Accounting Standards Update and Change in Accounting Principle [Text Block] Net repayment (borrowing) of loans by equity affiliates Net repayment (borrowing) of loans by equity affiliates Proceeds from Collection of (Payments to Fund) Long-Term Loans to Related Parties Accumulated Other Comprehensive Income (Loss) [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Net Income (Loss) Attributable to Chevron Corporation Net income (loss) attributable to CUSA Net Income (Loss) Attributable to Chevron Corporation Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] Segment Reporting, Reconciling Item Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Accumulated Other Comprehensive Losses Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Restricted cash Restricted Investments, Current Interest income Investment Income, Interest Gross Amounts Recognized Derivative Asset, Subject to Master Netting Arrangement, before Offset Proceeds from issuances of short-term debt obligations Proceeds from Short-Term Debt Net foreign currency effects Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Revenues and Other Income Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Other Long-term Investments Other Long-Term Investments [Member] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]