Statistical Measurement [Domain] Statistical Measurement [Domain] RELATED-PARTY AND PARTY-IN-INTEREST TRANSACTIONS EBP, Related Party and Party-in-Interest Transactions [Text Block] Interest income on notes receivable from participants Interest income on notes receivable from participants per the financial statements EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Document Information [Line Items] Document Information [Line Items] General loan, maximum borrowing term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term Maximum borrowing amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Subsequent Events EBP, Subsequent Event [Policy Text Block] Contributions EBP, Contribution [Policy Text Block] EBP, Description of Plan and Accounting Change [Abstract] Employer contribution, matching amount EBP, Employer Contribution, Matching Amount EBP, Employer Contribution, Matching Amount Retirement age EBP, Retirement Age EBP, Retirement Age Rollover contributions EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Investment Type [Axis] Investment Type [Axis] Maximum borrowing to total account, percentage EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage TAX STATUS EBP, Tax Status [Text Block] Discretionary employer contributions approved EBP, Discretionary Employer Contribution, Approved EBP, Discretionary Employer Contribution, Approved End of year EBP, Reconciliation to Form 5500, Payment to Participant, Increase from Allocation to Withdrawing Participant, Not yet Paid EBP, Description of the Plan [Line Items] EBP, Plan Termination [Line Items] EBP, Description of Plan [Line Items] Withdrawal period EBP, Participant Account Withdrawal Period EBP, Participant Account Withdrawal Period EBP, Schedule H, line 4i-Schedule of Assets (Held at End of Year) [Table] EBP, Schedule of Asset Held for Investment [Table] Participant loans EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Per the Form 5500 EBP, Form 5500 Caption, Net Assets FAIR VALUE MEASUREMENTS EBP, Investment, Fair Value and NAV [Text Block] EBP, Fair Value Measurements [Table] EBP, Investment, Fair Value and NAV [Table] Terminated deemed distributions of participant loans EBP, Reconciliation to Form 5500, Payment to Participant, Prior Period, Decrease from Deemed Distribution Participant contribution, percent of eligible compensation, maximum EBP, Participant Contribution, Maximum Annual Compensation to Total Compensation, Percentage EBP, Participant Contribution, Maximum Annual Compensation to Total Compensation, Percentage Plan Expenses EBP, Expense [Policy Text Block] Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Discretionary employer contributions EBP, Discretionary Employer Contribution, Receivable EBP, Discretionary Employer Contribution, Receivable Minimum borrowing, amount EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Automatic deferral rate, annual increase EBP, Participant Contribution, Automatic, Annual Increase Deferral Rate EBP, Participant Contribution, Automatic, Annual Increase Deferral Rate EBP, Related-Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] Benefit payments Benefit payments per the financial statements EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Renewables Organization Employees [Member] Renewables Organization Employees [Member] Renewables Organization Employees Deemed distributions of participant loans EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Current Period, Decrease from Deemed Distribution Number of withdrawals EBP, Number of Withdrawals EBP, Number of Withdrawals Payment of Benefits EBP, Payment to Participant [Policy Text Block] Employer contribution, vesting percentage EBP, Employer Contribution, Vesting Percentage EBP, Employer Contribution, Vesting Percentage Net assets available for benefits Net assets available for benefits, beginning of year Net assets available for benefits, end of year Per the financial statements EBP, Net Asset Available for Benefit EBP, Reconciliation of Financial Statements to Form 5500 [Line Items] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Schedule H, line 4i-Schedule of Assets (Held at End of Year) [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Basis of Presentation and Summary of Significant Accounting Policies [Line Items] EBP, Accounting Policy [Line Items] Total assets EBP, Asset Interest-Bearing Cash [Member] Interest-Bearing Deposits [Member] Withdrawal completion period, discretionary employer account EBP, Withdrawal Completion Period, Discretionary Employer Account EBP, Withdrawal Completion Period, Discretionary Employer Account Reconciliation of Financial Statements to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Table Text Block] Beginning of year EBP, Reconciliation to Form 5500, Payment to Participant, Decrease from Allocation to Withdrawing Participant, Paid Deemed distributions of participant loans EBP, Reconciliation to Form 5500, Note Receivable, Deemed Distribution Discretionary employer contributions funded by Valero EBP, Discretionary Employer Contribution, Funded By Employer EBP, Discretionary Employer Contribution, Funded By Employer EBP, Reconciliation of Financial Statements to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Table] Per the Form 5500 EBP, Form 5500 Caption, Total Liabilities Benefit payments per the Form 5500 EBP, Form 5500 Caption, Benefit Payment and Payments to Provide Benefits Automatic deferral rate EBP, Participant Contribution, Automatic, Deferral Rate Valero Common Stock [Member] EBP, Employer, Common Stock [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] EBP, Tax Status [Abstract] Net increase in net assets available for benefits EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Cover [Abstract] Participant and employer contribution, investment, percent of aggregate value in Valero common stock, threshold EBP, Participant and Employer Contribution, Investment Percentage, Percent of Aggregate Transfer Value, Threshold EBP, Participant Contribution, Investment Percentage, Percent of Aggregate Transfer Value, Threshold Maximum [Member] Maximum [Member] Employer EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash Assets EBP, Asset [Abstract] Per the Form 5500 EBP, Form 5500 Caption, Participant Loans Minimum [Member] Minimum [Member] EBP, Schedule of Asset Held for Investment [Abstract] Dividend income Valero common stock dividend income EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Employer contribution, vesting service period EBP, Employer Contribution, Vesting Service Period EBP, Employer Contribution, Vesting Service Period RECONCILIATION OF FINANCIAL STATEMENTS TO FORM 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Text Block] Entity [Domain] Entity [Domain] Total current value EBP, Asset Held for Investment Investment, Identifier [Axis] Investment, Identifier [Axis] Participant and employer contribution, investment direction percentage EBP, Participant and Employer Contribution, Investment Percentage EBP, Participant and Employer Contribution, Investment Percentage EBP, Investment, Fair Value and NAV [Abstract] Participant contribution, percent of eligible compensation, minimum EBP, Participant Contribution, Minimum Annual Compensation to Total Compensation, Percentage Percentage of minimum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation. Basis of Presentation EBP, Basis of Accounting [Policy Text Block] Participant contribution, vesting percentage EBP, Participant Contribution, Vesting Percentage EBP, Participant Contribution, Vesting Percentage Risks and Uncertainties EBP, Risk and Uncertainty [Policy Text Block] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Amounts allocated to withdrawing participants EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Allocation to Withdrawing Participant, Not yet Paid Mutual Funds [Member] Total Mutual Funds [Member] Mutual Fund [Member] EBP, Description of the Plan [Table] EBP, Plan Termination [Table] EBP, Description of Plan [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Abstract] Valuation of Investments and Income Recognition EBP, Investment [Policy Text Block] Discretionary employer contribution, vesting percentage EBP, Discretionary Employer Contribution, Vesting Percentage EBP, Discretionary Employer Contribution, Vesting Percentage Amendment flag Amendment Flag Valero common stock share price (in dollars per share) EBP, Share Price EBP, Share Price Common/Collective Trusts [Member] Total Common/Collective Trusts [Member] Common Collective Trust [Member] Interest income EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Investment Schedule of Investments at Fair Value EBP, Investment, Fair Value and NAV [Table Text Block] Current value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value PLAN TERMINATION EBP, Plan Termination [Text Block] EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Employer contribution, annual vesting percentage EBP, Employer Contribution, Annual Vesting Percentage EBP, Employer Contribution, Annual Vesting Percentage EBP, Related Party and Party-in-Interest Transactions [Abstract] Forfeited nonvested account EBP, Forfeited Nonvested Account EBP, Related-Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Withdrawal completion period, employer account EBP, Withdrawal Completion Period, Employer Account EBP, Withdrawal Completion Period, Employer Account Primary residence, maximum borrowing term EBP, Note Receivable From Participant, Account, Principal Residence, Maximum Borrowing Term EBP, Note Receivable From Participant, Account, Principal Residence, Maximum Borrowing Term Forfeited nonvested account, decrease from employer contribution EBP, Forfeited Nonvested Account, Decrease from Employer Contribution EBP, Statement of Net Asset Available for Benefit [Abstract] Deemed distributions of participant loans EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Deemed Distribution DESCRIPTION OF THE PLAN EBP, Description of Plan [Text Block] Percentage of Valero common stock to total investments at fair value EBP, Risk and Uncertainty, Concentration of Investment at Fair Value to Total Investments, Percentage BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES EBP, Summary of Accounting Policy [Text Block] Notes Receivable from Participants EBP, Form 5500 Caption, Participant Loans [Abstract] Participant EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution Notes Receivable from Participants EBP, Note Receivable from Participant [Policy Text Block] Total additions EBP, Change in Net Asset Available for Benefit, Increase EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items] Entity central index key Entity Central Index Key Participant loans, interest rate EBP, Asset Held for Investment, Participant Loan, Interest Rate Investments at fair value EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Legal Entity [Axis] Legal Entity [Axis] Entity tax identification number Entity Tax Identification Number Total investment income Investment income per the financial statements EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Plan number EBP, Plan Number Minimum account balance for elected distribution EBP, Minimum Account Balance For Elected Distribution EBP, Minimum Account Balance For Elected Distribution Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Document type Document Type EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Fair Value Measurements [Line Items] EBP, Investment, Fair Value and NAV [Line Items] Net Assets Available for Benefits EBP, Form 5500 Caption, Net Assets [Abstract] EBP 002 [Member] EBP 002 [Member] EBP 002 Use of Estimates EBP, Use of Estimate [Policy Text Block] Investment Income EBP, Form 5500 Caption, Net Income (Loss) [Abstract] Benefit Payments EBP, Form 5500 Caption, Benefit Payment and Payments to Provide Benefits [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Deductions: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Due from brokers for securities sold EBP, Investment Sale, Receivable Benefit Claims Payable EBP, Form 5500 Caption [Abstract] Notes receivable from participants Per the financial statements EBP, Note Receivable from Participant Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Deemed Distributions EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Increase (Decrease) from Deemed Distribution [Abstract] EBP, Related Party and Party-in-Interest [Axis] EBP, Related Party and Party-in-Interest [Axis] SCHEDULE H, LINE 4I-SCHEDULE OF ASSETS (HELD AT END OF YEAR) EBP, Schedule of Asset Held for Investment [Table Text Block] Additions: EBP, Change in Net Asset Available for Benefit, Increase [Abstract] EBP, Related Party and Party-in-Interest [Domain] EBP, Related Party and Party-in-Interest [Domain] Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Cash EBP, Noninterest-Bearing Cash Basis spread on variable rate EBP, Participant Loan, Basis Spread On Variable Rate EBP, Participant Loan, Basis Spread On Variable Rate Deemed distributions of participant loans per the Form 5500 EBP, Form 5500 Caption, Certain Deemed Distributions of Participant Loans Discretionary employer contribution, vesting service period EBP, Discretionary Employer Contribution, Vesting Service Period EBP, Discretionary Employer Contribution, Vesting Service Period EBP, Basis of Presentation and Summary of Significant Accounting Policies [Table] EBP, Accounting Policy [Table] Investments [Domain] Investments [Domain] Self-Directed Investments [Member] EBP, Self-Directed Brokerage Account [Member] Document Information [Table] Document Information [Table] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] Withdrawal completion period, after previous withdrawal EBP, Withdrawal Completion Period, After Previous Withdrawal EBP, Withdrawal Completion Period, After Previous Withdrawal Investment income per the Form 5500 EBP, Form 5500 Caption, Investment Income EBP, Form 5500 Caption, Investment Income Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Entity registrant name Entity Registrant Name Number of loans outstanding, maximum EBP, Note Receivable from Participant, Maximum Number of Loans Outstanding EBP, Note Receivable from Participant, Maximum Number of Loans Outstanding Investment income: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] Maximum borrowing, highest outstanding balance period EBP, Note Receivable from Participant, Account, Maximum Borrowing, Highest Outstanding Balance Period EBP, Note Receivable from Participant, Account, Maximum Borrowing, Highest Outstanding Balance Period EBP, Tax Status [Table] EBP, Tax Status [Table] Receivables: EBP, Receivable [Abstract] Total receivables EBP, Receivable Employer contribution, percentage of participant compensation matched EBP, Employer Contribution, Participant Compensation Matched, Percentage