Statistical Measurement [Domain] Statistical Measurement [Domain] EBP, Related Party and Party-in-Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Text Block] Interest income from notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] EBP, Description of Plan and Accounting Change [Abstract] EBP, Description of Plan and Accounting Change [Abstract] Investment Type [Axis] Investment Type [Axis] Rollovers EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover EBP, Trustee EBP, Trustee [Member] EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage EBP, Investment, Number of Shares EBP, Investment, Number of Shares EBP, Tax Status EBP, Tax Status [Text Block] EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] EBP, Fully Benefit-Responsive Investment Contract EBP, Fully Benefit-Responsive Investment Contract [Text Block] EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] Employee Benefit Plan, Subsequent Event [Line Items] Employee Benefit Plan, Subsequent Event [Line Items] Employee Benefit Plan, Subsequent Event EBP, Tax Qualification Status [Extensible Enumeration] EBP, Tax Qualification Status [Extensible Enumeration] EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution EBP, Investment, Fair Value and NAV EBP, Investment, Fair Value and NAV [Text Block] EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] EBP, Expense EBP, Expense [Policy Text Block] Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount EBP, Tax Ruling, Obtained [true false] EBP, Tax Ruling, Obtained [true false] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Fully Benefit-Responsive Investment Contract [Table] EBP, Fully Benefit-Responsive Investment Contract [Table] Benefits paid to participants EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Employer contributions receivable EBP, Employer Contribution, Receivable EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Investment, Current Value, Type [Extensible Enumeration] Additions: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) [Abstract] EBP, Payment to Participant EBP, Payment to Participant [Policy Text Block] Net assets available for benefits Beginning of year End of year EBP, Net Asset Available for Benefit Employee Benefit Plan Participant Contribution Maximum Annual Compensation To Total Compensation Percentage Employee Benefit Plan Participant Contribution Maximum Annual Compensation To Total Compensation Percentage Employee Benefit Plan Participant Contribution Maximum Annual Compensation To Total Compensation Percentage EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] EBP, Investment, Excluding Plan Interest in Master Trust, Fair and Contract Value, Total EBP, Investment, Excluding Plan Interest in Master Trust, Fair and Contract Value EBP, Fully Benefit-Responsive Investment Contract [Line Items] EBP, Fully Benefit-Responsive Investment Contract [Line Items] Total assets EBP, Asset Interest-Bearing Deposits Interest-Bearing Deposits [Member] Other EBP, Other Asset EBP, Employer, Common Stock EBP, Employer, Common Stock [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] EBP, Tax Status [Abstract] Increase in assets available for benefits EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Cover [Abstract] Employee Benefit Plan, Plan Termination [Abstract] Employee Benefit Plan, Plan Termination Maximum Maximum [Member] Employer EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash Assets: EBP, Asset [Abstract] Employee Benefit Plan, Mutual Funds, Common Collective Trusts, Cash and Money Market Employee Benefit Plan, Mutual Funds, Common Collective Trusts, Cash and Money Market [Member] Employee Benefit Plan, Mutual Funds, Common Collective Trusts, Cash and Money Market Minimum Minimum [Member] EBP, Schedule of Asset Held for Investment [Abstract] Dividends EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Entity [Domain] Entity [Domain] EBP, Asset Held for Investment EBP, Asset Held for Investment Investment, Identifier [Axis] Investment, Identifier [Axis] EBP, Tax Determination Letter, Obtained [true false] EBP, Tax Determination Letter, Obtained [true false] EBP, Investment, Fair Value and NAV [Abstract] Employee Benefit Plan, Subsequent Event [Table] Employee Benefit Plan, Subsequent Event [Table] Employee Benefit Plan, Subsequent Event EBP, Employer Contribution, Matching Percentage EBP, Employer Contribution, Matching Percentage EBP, Basis of Accounting EBP, Basis of Accounting [Policy Text Block] Text Block [Abstract] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] Mutual Fund Mutual Fund [Member] EBP, Description of Plan [Table] Employee Benefit Plan, Risks and Uncertainties [Table] EBP, Description of Plan [Table] EBP, Asset Held for Investment, Party-in-Interest [true false] EBP, Asset Held for Investment, Party-in-Interest [true false] EBP, Investment EBP, Investment [Policy Text Block] EBP, Investment, Excluding Plan Interest in Master Trust, Contract Value EBP, Investment, Excluding Plan Interest in Master Trust, Contract Value Amendment Flag Amendment Flag Plan expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Common Collective Trust Common Collective Trust [Member] Interest EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Investment EBP, Investment, Fair Value and NAV EBP, Investment, Fair Value and NAV [Table Text Block] Total deductions EBP, Change in Net Asset Available for Benefit, Decrease EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value EBP, Plan Termination EBP, Plan Termination [Text Block] EBP, Statement of Change in Net Asset Available for Benefit [Abstract] EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, 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] EBP 31-1537655-010 EBP 31-1537655-010 [Member] EBP 31-1537655-010 Employee Benefit Plan, Plan Termination [Table] Employee Benefit Plan, Plan Termination [Table] Employee Benefit Plan, Plan Termination EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Description of Plan EBP, Description of Plan [Text Block] EBP, Tax Determination Letter, Date EBP, Tax Determination Letter, Date EBP, Summary of Accounting Policy EBP, Summary of Accounting Policy [Text Block] EBP, Forfeited Nonvested Account, Decrease from Administrative Expense EBP, Forfeited Nonvested Account, Decrease from Administrative Expense Participants EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution Document Period End Date Document Period End Date EBP, Note Receivable from Participant 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 EBP, Asset Held for Investment, Participant Loan, Interest Rate EBP, Asset Held for Investment, Participant Loan, Interest Rate EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Legal Entity [Axis] Legal Entity [Axis] Total investment income 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] EBP, Investment, Interest Rate EBP, Investment, Interest Rate Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] EBP, Investment, Issuer Name [Extensible Enumeration] EBP, Investment, Issuer Name [Extensible Enumeration] Document Type Document Type Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] EBP, Use of Estimate EBP, Use of Estimate [Policy Text Block] EBP, Synthetic Investment Contract EBP, Synthetic Investment Contract [Member] EBP, Fully Benefit-Responsive Investment Contract [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Deductions: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Notes receivable from participants EBP, Note Receivable from Participant Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] EBP, Related Party and Party-in-Interest [Axis] EBP, Related Party and Party-in-Interest [Axis] EBP, Schedule of Asset Held for Investment EBP, Schedule of Asset Held for Investment [Table Text Block] EBP, Related Party and Party-in-Interest [Domain] EBP, Related Party and Party-in-Interest [Domain] Net increase in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Investments [Domain] Investments [Domain] EBP, Self-Directed Brokerage Account EBP, Self-Directed Brokerage Account [Member] Employer Benefit Plan, Administrative Fees Charged Employer Benefit Plan, Administrative Fees Charged Employer Benefit Plan, Administrative Fees Charged Net assets available for benefits: EBP, Net Asset Available for Benefit [Abstract] Employee Benefit Plan, Plan Termination [Line Items] Employee Benefit Plan, Plan Termination [Line Items] Employee Benefit Plan, Plan Termination Fair Value, Inputs, Level 1 Fair Value, Inputs, Level 1 [Member] Entity Registrant Name Entity Registrant Name EBP, Subsequent Event EBP, Subsequent Event [Text Block] EBP, Administration Cost, Absorbed by Employer [true false] EBP, Administration Cost, Absorbed by Employer [true false] Investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] EBP, Tax Status [Table] EBP, Tax Status [Table] EBP, Investment, Excluding Plan Interest in Master Trust, Cost EBP, Investment, Excluding Plan Interest in Master Trust, Cost EBP, Employer Contribution, Participant Compensation Matched, Percentage EBP, Employer Contribution, Participant Compensation Matched, Percentage EBP, Risk and Uncertainty EBP, Risk and Uncertainty [Text Block] Qualified Plan [Member] Marathon Petroleum Corporation [Member] Marathon Petroleum Corporation Fidelity [Member] Fidelity Vanguard [Member] Vanguard J. P. Morgan [Member] J. P. Morgan Baird [Member] Baird Dodge & Cox [Member] Dodge & Cox Spartan [Member] Spartan Allspring [Member] Allspring JP Morgan Chase [Member] JP Morgan Chase State Street Bank & Trust Company Boston [Member] State Street Bank & Trust Company Boston American General Life [Member] American General Life TransAmerica Premier Life [Member] TransAmerica Premier Life Prudential Insurance Co. America [Member] Prudential Insurance Co. America Nationwide Life Insurance [Member] Nationwide Life Insurance Pacific Life Insurance [Member] Pacific Life Insurance Metropolitan Life Insurance [Member] Metropolitan Life Insurance Massachusetts Mutual [Member] Massachusetts Mutual Fidelity Management Trust Company [Member] Fidelity Management Trust Company EBP, Pooled Separate Account [Member] Money Market Funds [Member] BrokerageLink [Member] BrokerageLink