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Foreign Plan [Member] Inventory Deferred Tax Assets, Inventory Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Exploration expenses Exploration Expense Trading Symbol Trading Symbol Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage PDC Energy, Inc. PDC Energy, Inc. [Member] PDC Energy, Inc. 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ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Total Liabilities Liabilities Noncontrolling interests (includes redeemable noncontrolling interest of $0 and $166 at December 31, 2024 and 2023) Equity, Attributable to Noncontrolling Interest Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Percent of shares Business Acquisition, Equity Interest Issued or Issuable, Percentage Of Shares Outstanding Business Acquisition, Equity Interest Issued or Issuable, Percentage Of Shares Outstanding Exercisable at December 31 (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Chevron Long-Term Incentive Plan (LTIP), 2023 Issuance Chevron Long-Term Incentive Plan (LTIP), 2023 Issuance [Member] Chevron Long-Term Incentive Plan (LTIP), 2023 Issuance Net decrease (increase) in other deferred charges Increase (Decrease) in Deferred Charges Common stock, par value (in dollars per share)) Common Stock, Par or Stated Value Per Share Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Currency Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Expiration Date Trading Arrangement Expiration Date Schedule of Equity in Earnings, Together with Investments in and Advances to Companies Accounted for Using the Equity Method and Other Investments Accounted for at or Below Cost Schedule of Investments in and Advances to Affiliates, Schedule of Investments [Table Text Block] Investing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Income (loss) from equity affiliates Income (loss) from equity affiliates Equity Method Investment, Income Equity Method Investment, Income Operating lease liability, current Operating Lease, Liability, Current Total Shareholder Return Amount Total Shareholder Return Amount Effective Income Tax Rate Reconciliation, Amount Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Taxes other than on income Taxes, Other Chevron U.S.A. Inc. Chevron USA Inc [Member] Chevron USA Inc. 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State defendants, number Loss Contingency, Number Of Defendants, U.S. States Loss Contingency, Number Of Defendants, U.S. States Percent of the right-of-use assets recognized when the company is the sole signatory for the lease Percent Of Right-Of-Use Assets Recognized When Company Is Sole Signatory For Lease Percent Of Right-Of-Use Assets Recognized When Company Is Sole Signatory For Lease Marketable securities purchased Payments to Acquire Marketable Securities Average Remaining Contractual Term, Exercisable at December 31 (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Actuarial gain (loss) Actuarial Loss [Abstract] Defined benefit plans and actuarial loss. Defined Benefit Plan [Table] Defined Benefit Plan [Table] Sales and other operating revenues Sales [Member] Chevron Parent Company [Member] Maximum Maximum [Member] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Number of Chevron treasury stocks held in benefit plan trust for funding obligations (in shares) Number of Chevron treasury stocks held in benefit plan trust for funding obligations 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. GS Caltex Corporation Gs Caltex Corporation [Member] GS Caltex Corporation. Accounts payable Accounts Payable, Current Drilling Activity Drilling Activity [Member] Drilling activity. 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Not Designated Not Designated as Hedging Instrument [Member] Tengizchevroil LLP Tengizchevroil Tengizchevroil LLP [Member] Tengizchevroil LLP. 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Shares remaining available for issuance (in shares) Maximum number of share that may be issued under LTIP (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Properties, plant and equipment, net (held and used), before-tax loss Property Plant and Equipment Fair Value before Tax Loss Property plant and equipment fair value before tax loss. Noncurrent operating lease liabilities Operating Lease, Liability, Noncurrent Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Gains on sale of nonstrategic properties Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Add: Deferred awards held as stock units (in shares) Deferred Awards Held as Stock Units Deferred awards held as stock units. Noncurrent assets Assets, Noncurrent Assets held for sale Disposal Group, Including Discontinued Operation, Property, Plant and Equipment Stock dividends Dividends, Value, Common Stock, Stock Dividends, Value, Common Stock, Stock Current period provision SEC Schedule, 12-09, Valuation Allowances and Reserves, Period Increase (Decrease) Loans Loans Payable [Member] Service cost Defined Benefit Plan, Service Cost Entity Tax Identification Number Entity Tax Identification Number Current-year dry hole expenditures Oil and Gas, Result of Operation, Dry Hole Cost Schedule of Long-Term Debt Outstanding Schedule of Long-Term Debt Instruments [Table Text Block] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Accounting Standards Update and Change in Accounting Principle [Abstract] Company Before Tax Obligation Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Capitalized exploratory well costs charged to expense Oil and Gas, Capitalized Exploratory Well Cost, Charged to Expense Additions for tax positions taken in prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Purchases (in shares) Treasury Stock, Shares, Acquired Retirement Plan Type [Axis] Retirement Plan Type [Axis] Deferred Deferred Foreign Income Tax Expense (Benefit) Fair Value Measurements of Company's Pension Plans Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Ultimate trend rate for health care cost Defined Benefit Plan, Ultimate Health Care Cost Trend Rate Selling, General and Administrative Expenses Selling, General and Administrative Expenses [Member] Rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Treasury Stock (at cost) Treasury Stock, Common [Member] Classification of deferred taxes Deferred Tax Assets, Net [Abstract] Intersegment Eliminations Intersegment Eliminations [Member] Long-term portion of the company's before-tax asset retirement obligations Asset Retirement Obligations, Noncurrent Other costs and deduction Other Cost and Expense, Operating Plan Name [Axis] Plan Name [Axis] Thereafter Finance Lease, Liability, to be Paid, after Year Five Accrued benefit for interest and penalties Income Taxes Receivable Equity Components [Axis] Equity Components [Axis] Performance Shares In Shares Performance Shares In Shares [Member] Performance Shares In Shares Total Finance Lease, Liability, to be Paid Angola LNG Limited Angola LNG Limited [Member] Angola LNG Limited. 2008-2012 Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging, Period Four [Member] Mixed Funds Mutual Funds Plan Assets [Member] Mutual Funds Plan Assets. Investments and advances, before-tax loss Fair Value Investments and Advances before Tax Loss Fair value investments and advances before tax loss. Total Costs and Other Deductions Total costs and other deductions Costs and Expenses Net actuarial (gain) loss Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Cash contributions to employee pension plans Payment for Pension Benefits Aggregate Intrinsic Value, Outstanding at December 31 Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Payroll taxes Payroll Taxes Payroll taxes. Investments [Domain] Investments [Domain] Diluted EPS Calculation Earnings Per Share, Diluted [Abstract] Geographical [Axis] Geographical [Axis] Other Obligations Other Unconditional Purchase Obligations [Member] Other Unconditional Purchase Obligations Schedule of Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] 2029 Lessee, Operating Lease, Liability, to be Paid, Year Five Increase in valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Accruals/Adjustments Restructuring Reserve, Accrual Adjustment Schedule of Summarized Financial Data - Chevron U.S.A. Inc. Summarized Financial Data Subsidiary One [Table Text Block] Summarized financial data subsidiary one. 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 assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Prior service (credits) costs Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax Payments Payments for Restructuring Summary of option activity Summary of Option Activity [Abstract] Summary of option activity. Net sales (purchases) of marketable securities Net sales (purchases) of marketable securities Payments for (Proceeds from) Investments Cash, Cash Equivalents and Restricted Cash at January 1 Cash, Cash Equivalents and Restricted Cash at December 31 Total cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Weighted average interest rate Debt, Weighted Average Interest Rate Other non-equity method investments Equity Securities, FV-NI, Current Chevron Long-Term Incentive Plan (LTIP) Chevron Long-Term Incentive Plan (LTIP) [Member] Chevron Long-Term Incentive Plan (LTIP) [Member] Derivatives Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract] Total before-tax compensation cost related to nonvested share-based compensation arrangements Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Current Current Foreign Tax Expense (Benefit) Actuarial gain (loss) arising during period Net actuarial (gain) loss during period Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Total financing interest and debt costs Interest Costs Incurred Consolidation Items [Axis] Consolidation Items [Axis] Decrease (increase) in long-term receivables Increase (Decrease) in Long-Term Receivables, Current Net sales (purchases) of treasury shares consists of the following gross and net amounts: Proceeds from (Repurchase of) Equity [Abstract] Notes due 2041 Notes Due 2041 [Member] Notes Due 2041 Treasury stock, shares (in shares) Beginning balance, treasury shares (in shares) Ending balance, treasury shares (in shares) Treasury Stock, Common, Shares Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in year two Recorded Unconditional Purchase Obligation, to be Paid, Year Two Product and Service [Domain] Product and Service [Domain] Expected Credit Losses SEC Schedule, 12-09, Allowance, Credit Loss [Member] Maximum annual increase percentage to company contribution for retiree medical coverage Maximum Annual Increase Percentage to Company Contribution for Retiree Medical Coverage Maximum annual increase percentage to Company contribution for retiree medical coverage. Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Marketable securities Marketable securities Marketable Securities, Current Derivative liabilities, net amounts Derivative Liability, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Assets held at the reporting date Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Still Held International Foreign Income Tax Expense (Benefit), Continuing Operations [Abstract] Security Exchange Name Security Exchange Name Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Member] Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Downstream Downstream Segment [Member] Downstream Segment Other Other Plan Assets [Member] Other Plan Assets. Import duties and other levies Taxes Other, Net Taxes Other, Net Compensation expense for stock options Stock or Unit Option Plan Expense Current Current State and Local Tax Expense (Benefit) Short-term debt Total short-term debt Short-Term Debt Allowance for long-term receivables, noncurrent Accounts Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Noncurrent Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Research and development expenses Research and Development Expense Liability balance Other Commitment Nonrecurring basis Fair Value, Nonrecurring [Member] Right-of-use asset obtained in exchange for finance lease liability Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Notes due 2029 Notes Due 2029 [Member] Notes Due 2029 Common stock, shares issued (in shares) Beginning balance, shares issued (in shares) Ending balance, shares issued (in shares) Common Stock, Shares, Issued Increase (decrease) in income and other taxes payable Increase (Decrease) in Income Taxes Payable Amortization to net income of net actuarial loss and settlements Amortization of actuarial (gain) loss Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Entity [Domain] Entity [Domain] Committed credit facilities Line of Credit Facility, Maximum Borrowing Capacity Percentage of impact of unrecognized tax benefits on effective tax rate if subsequently recognized Percentage of Impact of Unrecognized Tax Benefits on Effective Tax Rate if Subsequently Recognized Percentage of impact of unrecognized tax benefits on effective tax rate if subsequently recognized. Foreign tax credits Deferred Tax Assets, Tax Credit Carryforwards, Foreign Derivatives Derivative liabilities, net amounts presented Derivative Liability Reclassified to long-term debt Short-Term Debt, Refinanced, Amount Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Sites with Potential Remediation Activities Sites with Potential Remediation Activities [Member] Sites with potential remediation activities. Assets sold during the period Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Sold Stock Options and Other Share-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Notes due 2025 Notes Due 2025 [Member] Notes Due 2025 Common stock, shares authorized (in shares) Common Stock, Shares Authorized Pension Plans With Accumulated Benefit Obligation in Excess of Plan Assets Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract] Acquisition of businesses, net of cash received Payments to Acquire Businesses, Net of Cash Acquired Triggering Event [Domain] Triggering Event [Domain] [Domain] for Triggering Event [Axis] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Schedule of Information Relating to Consolidated Statement of Cash Flows Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Entity Voluntary Filers Entity Voluntary Filers Special termination costs Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits Environmental Reserve Less Environmental Reserve for Sites with Potential Remediation Activities Environmental Reserve Less Environmental Reserve for Sites with Potential Remediation Activities [Member] Environmental reserve less environmental reserve for sites with potential remediation activities. Statement of Financial Position Location, Balance [Axis] Statement of Financial Position Location, Balance [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Properties, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Reclassification to net income Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Discount rate for pension plans Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Liabilities assumed in the PDC acquisition Asset Retirement Obligation, Liabilities Assumed in Acquisition Asset Retirement Obligation, Liabilities Assumed in Acquisition Settlement losses (gains) Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Tax benefits realized for the tax deductions from option exercises Share-Based Payment Arrangement, Exercise of Option, Tax Benefit Subtotal Debt, Current Recurring basis Fair Value, Recurring [Member] Trade receivable Accounts Receivable, after Allowance for Credit Loss, Current Schedule of Other Financial Information Schedule of Other Financial Information [Table Text Block] Schedule of other financial information. Aging of capitalized well costs and number of project Oil and Gas, Capitalized Exploratory Well Cost [Abstract] Repayment of loans by equity affiliates Proceeds from Collection of Long-Term Loans to Related Parties Non cash transaction in operating segments Impairment charges Asset Impairment Charges Carrying amount of long-term debt Long-Term Debt Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Beginning balance Ending balance Fair value of plan assets Defined Benefit Plan, Plan Assets, Amount Crude oil and products Inventory, Finished Goods and Work in Process, Gross Thereafter Long-Term Debt, Maturity, after Year Five Prior service credits (cost) Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Reclassification Adjustment, before Tax [Abstract] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Chevron Phillips Chemical Company LLC Chevron Phillips Chemical Company LLC [Member] Chevron Phillips Chemical Company LLC. Restricted cash included in “Prepaid expenses and other current assets” Restricted Cash, Current Loss on derivative instruments, net, pretax Gain (Loss) on Derivative Instruments, Net, Pretax Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Income Tax Authority [Table] Income Tax Authority [Table] Income tax authority. Investments and advances Total investments and advances Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Income tax benefit (cost) on defined benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Document Annual Report Document Annual Report 2027 Finance Lease, Liability, to be Paid, Year Three Shares vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Chevron Corp. Stockholders' Equity Parent [Member] Risk-free interest rate based on zero coupon U.S. treasury note Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Transfers in and/or out of Level 3 Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Assets Transferred into (out of) Level 3 Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in year four Recorded Unconditional Purchase Obligation, to be Paid, Year Four Projects with Exploratory Well Costs Capitalized for More than One Year by Different Stages [Axis] Project [Axis] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] International Int'l. Non-US [Member] Accounting Policies [Abstract] Accounting Policies [Abstract] Revenues and Other Income Revenues [Abstract] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Acquisition of PDC Energy, Inc. Agreement to Acquire Hess Corporation Business Combination Disclosure [Text Block] Current Fiscal Year End Date Current Fiscal Year End Date Beginning balance Ending balance SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Less: Amounts representing interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Distributions more (less) than income from equity affiliates includes the following: Income (Loss) from Equity Method Investments, Net of Dividends or Distributions [Abstract] PEO Name PEO Name Guarantees Guarantees [Abstract] Award Type [Domain] Award Type [Domain] Fair market values of stock options and stock appreciation rights granted Fair Market Values of Stock Options and Stock Appreciation Rights Granted [Abstract] Fair market values of stock options and stock appreciation rights granted. Michael K. Wirth [Member] Michael K. Wirth Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Deferred charges and other assets Deferred Income Tax Assets, Net Noncurrent employee benefit plans Noncurrent employee benefit plans Liability, Defined Benefit Plan, Noncurrent Non-PEO NEO Non-PEO NEO [Member] Restricted Stock Units Payable In Shares Restricted Stock Units Payable In Shares [Member] Restricted Stock Units Payable In Shares Total assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Increase in deferred tax assets Increase (Decrease) In Deferred Tax Assets Increase (Decrease) In Deferred Tax Assets Finance lease liabilities Noncurrent lease liabilities Finance Lease, Liability, Noncurrent Employee Benefit Plans Retirement Benefits [Text Block] Deferred income tax Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in year five Recorded Unconditional Purchase Obligation, to be Paid, Year Five New Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] 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] 2028 Finance Lease, Liability, to be Paid, Year Four Company’s share of equity affiliates foreign currency effects Company Share of Equity Affiliates Foreign Currency Effects Company share of equity affiliates foreign currency effects. Name Measure Name Entity Interactive Data Current Entity Interactive Data Current Long-Term Unconditional Purchase Obligations and Commitments, Including Throughput and Take-or-Pay Agreements Unconditional Purchase Obligations (Excluding Capital Stock Redemptions) [Abstract] Summarized Financial Data of Affiliate [Abstract] Summarized Financial Data of Affiliate [Abstract] Summarized financial data of affiliate. Number of operating segments Number of Operating Segments No Drilling Activity No Drilling Activity [Member] No drilling activity. Schedule of Affiliate Financial Statements [Table] Schedule of Affiliate Financial Statements [Table] Schedule Of Affiliate Financial Statements. Pending Litigation Pending Litigation [Member] Income taxes Income Taxes Paid 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] Net foreign currency effects Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Restructuring and Reorganization Costs Restructuring and Related Activities Disclosure [Text Block] Schedule of Option Activity Share-Based Payment Arrangement, Activity [Table Text Block] NAV Fair Value Measured at Net Asset Value Per Share [Member] Australia AUSTRALIA Defined Benefit Plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] 2015-2023 Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging, Period Three [Member] Interest rate Debt Instrument, Interest Rate, Stated Percentage Total payments under long term unconditional purchase obligations and commitments including throughput and Take-or-Pay agreements Payments made under long term unconditional purchase obligations and commitments including throughput and Take or Pay Agreements Payments made under long term unconditional purchase obligations and commitments including throughput and take or pay agreements. 2000-2009 Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging, Period One [Member] All Other Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Notes due 2024 Notes Due 2024 [Member] Notes Due 2024 Schedule of Investments [Line Items] Schedule of Investments [Line Items] Percentage of affiliate by summarized financial information Percentage of Affiliate by Summarized Financial Information Percentage of affiliate by summarized financial information. 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Less: Capitalized interest Interest Costs Capitalized Schedule II - Valuation and Qualifying Accounts SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Auditor Firm ID Auditor Firm ID Effective income tax rate Increase in effective tax rate Effective Income Tax Rate Reconciliation, Percent AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] One-time tax costs (benefits) associated with changes in valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Number of reportable segments Number of Reportable Segments Total Liabilities and Equity Liabilities and Equity Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] International Defined Benefit Plan, Equity Securities, Non-US [Member] Hedging Designation [Axis] Hedging Designation [Axis] Financial and Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] 2026 Finance Lease, Liability, to be Paid, Year Two Net maturities of (investments in) time deposits Increase (Decrease) In Time Deposits, Investing Activities Increase (Decrease) In Time Deposits, Investing Activities Interest income Investment Income, Interest Borrowing of loans by equity affiliates Payments to Fund Long-Term Loans to Related Parties Right-of-use asset obtained in exchange for operating lease liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Underlying Security Market Price Change Underlying Security Market Price Change, Percent Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Individual: Individual [Axis] Increase in deferred tax liabilities Increase (Decrease) In Deferred Tax Liabilities Increase (Decrease) In Deferred Tax Liabilities Acc. Other Comprehensive Income (Loss) Total AOCI Attributable to Parent [Member] Forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Expected term in years Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Total inventories Inventory, Net Additions to capitalized exploratory well costs pending the determination of proved reserves Oil and Gas, Capitalized Exploratory Well Cost, Addition Pending Determination of Proved Reserve Product and Service [Axis] Product and Service [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Maturity period of primarily bank time deposits, classified as cash equivalents, maximum Maturity Period Of Bank Time Deposits Classified As Cash Equivalents Maturity period of primarily bank time deposits, classified as Cash equivalents. Statement [Line Items] Statement [Line Items] Long-term receivables, net (less allowances: 2024 - $352; 2023 - $340) Accounts Receivable, Excluding Accrued Interest, after Allowance for Credit Loss, Noncurrent Derivative assets, net amounts Derivative Asset, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in year one Recorded Unconditional Purchase Obligation, to be Paid, Year One Purchase Price Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Benefits paid Defined Benefit Plan, Plan Assets, Benefits Paid Schedule of Properties, Plant and Equipment Property, Plant and Equipment [Table Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Consideration transferred Business Combination, Consideration Transferred Chevron investment carrying value over underlying equity in TCO's net assets Investment in Vie Greater Less than Underlying Equity in Vie Net Assets Vie One Investment in vie greater less than underlying equity in vie net assets vie one. Derivatives Derivatives, Policy [Policy Text Block] Minimum Minimum [Member] Adoption Date Trading Arrangement Adoption Date Chevron's loan to affiliates Other Receivables UNITED KINGDOM UNITED KINGDOM Carry forward amount of foreign tax credit with expiration dates Deferred Tax Assets, Tax Credit Carryforwards, Foreign, Subject To Expiration Deferred Tax Assets, Tax Credit Carryforwards, Foreign, Subject To Expiration Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Schedule of Pension Plans with Accumulated Benefit Obligation in Excess of Plan Assets Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block] Segments [Axis] Segments [Axis] 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] Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Schedule of Summarized Financial Data and its Affiliate Summarized Financial Data Affiliate Net Equity [Table Text Block] Summarized financial data affiliate net equity. Other income (loss) Other Income [Member] Total including debt due within one year Long-Term Debt, Gross Asset retirement obligations/environmental reserves Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations Returns of investment from equity affiliates Proceeds from Equity Method Investment, Distribution, Return of Capital Exercise Price Award Exercise Price Other Contingencies and Commitments [Table] Other Contingencies and Commitments [Table] Other Contingencies and Commitments. Changes in company's suspended exploratory well costs Oil and Gas, Capitalized Exploratory Well Cost [Roll Forward] Schedule of Composition of Deferred Tax Balances Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Assumed health care cost-trend rates in the next fiscal year Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year Arrangement Duration Trading Arrangement Duration Loss carryforward Operating Loss Carryforwards Lease Commitments Lessee, Finance Leases [Text Block] Total changes recognized in other comprehensive income Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax Variable Interest Entity [Table] Variable Interest Entity [Table] United States Domestic Tax Jurisdiction [Member] Properties, plant and equipment, net (held for sale) Long-Lived Asset, Held-for-Sale, Fair Value Disclosure Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Debt instrument, term Debt Instrument, Term Total lease liabilities Total lease liabilities Finance Lease, Liability All Individuals All Individuals [Member] Reviewing Development Alternatives Reviewing Development Alternatives [Member] Reviewing development alternatives member. Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Fair value of debt Debt Instrument, Fair Value Disclosure Foreign currency exchange rate changes Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Other Benefits Other Postretirement Benefits Plan [Member] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Acquisition/Divestiture losses (gains) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Gain (Loss) Due To Divestiture Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Gain (Loss) Due To Divestiture Receivables [Abstract] Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging [Table] Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging [Table] Shares issued for share-based compensation plans Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised Curtailment Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment Schedule of Before Tax Basis Amount in Accumulated Other Comprehensive Loss Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] 2013-2016 Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging, Period Five [Member] Operating expenses Operating Costs and Expenses Alternative Investments Alternative Investments [Member] Alternative Investments [Member] Change in Plan Assets The effect of fair-value measurements using significant unobservable inputs on changes in Level 3 plan assets for the period are outlined below Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract] Other Commitments [Domain] Other Commitments [Domain] Accrued liabilities Liability, Defined Benefit Plan, Current All Other Other Operating Segment [Member] Assumptions used to determine benefit obligations: Defined Benefit Plan, Assumptions Used in Calculations [Abstract] Related Party [Domain] Related and Nonrelated Parties [Domain] Capital expenditures Capital and Exploratory Expenditures, Including Equity Affiliates [Abstract] Capital and exploratory expenditures, including equity affiliates. Noncurrent liabilities Liabilities, Noncurrent Debt instrument, unamortized premium Debt Instrument, Unamortized Premium Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Guarantee for payments under terminal use agreements Guarantor Obligations, Current Carrying Value Total liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Projects with Exploratory Well Costs Capitalized for More than One Year by Different Activities [Axis] Projects with Exploratory Well Costs Capitalized for More than One Year by Different Activities [Axis] Projects with exploratory well costs capitalized for more than one year by different activities. Noncurrent deferred income taxes Noncurrent deferred income taxes Deferred Income Tax Liabilities, Net Volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] 2010-2014 Oil and Gas, Capitalized Exploratory Well Cost, Capitalized for Period Greater than One Year, Aging, Period Two [Member] Summarized Financial Data of Subsidiary One [Abstract] Summarized Financial Data of Subsidiary One [Abstract] Summarized financial data - Chevron USA Inc. Unrealized holding gain (loss) on securities OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract] Total Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Deferred Deferred Federal Income Tax Expense (Benefit) Other Contingencies and Commitments Commitments and Contingencies Disclosure [Text Block] Issuances of treasury shares Stock Issued During Period, Value, Treasury Stock Reissued Change in Benefit Obligation Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Measure: Measure [Axis] Debentures due 2031 Debenture One [Member] Debenture one. 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Entity Address, City or Town Entity Address, City or Town Proceeds from issuances of long-term debt Proceeds from Issuance of Long-Term Debt Schedule of The Effect of Fair-Value Measurements Using Significant Unobservable Inputs on Changes in Level 3 Plan Assets for the Period Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block] Maximum number of shares that may not be a stock option, stock appreciation right or award (in shares) Maximum Number Of Shares That May Be Issued Under LTIP In Form Other Than Stock Option Stock Appreciation Right Or Award Requiring Full Payment For Shares By Recipient Maximum number of shares that may be issued under LTIP in form other than stock option stock appreciation right or award requiring full payment for shares by recipient. 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