Document and Entity Information [Abstract] Document Information [Table] Legal Entity [Axis] Entity [Domain] Represents the Retirement Plan Number 001. E B P 001 [Member] 401(k) Plan Document Information [Line Items] Document Type Document Period End Date Entity Registrant Name Entity Central Index Key Amendment Flag STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS EBP, Statement of Net Asset Available for Benefit [Table] Investment Type [Axis] Investments [Domain] Employee Benefit Plan, Real Estate [Member] 103-12 - Real estate fund EBP, Employer, Common Stock Fund [Member] McDonald's Corporation common stock Common Collective Trust [Member] Collective funds EBP, Statement of Net Asset Available for Benefit [Line Items] Statements of Net Assets Available for Benefits EBP, Asset [Abstract] ASSETS EBP, Investment, Fair Value [Abstract] Investments, at fair value EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Investments at fair value Total investments, at fair value EBP, Investment, Excluding Plan Interest in Master Trust, Contract Value Investments, at contract value EBP, Investment, Fair and Contract Value Total investments EBP, Receivable [Abstract] Receivables EBP, Participant Contribution, Receivable Participant contributions EBP, Employer Contribution, Receivable Company contributions EBP, Investment Income, Receivable Accrued income EBP, Note Receivable from Participant Participant loans EBP, Receivable Total receivables EBP, Asset Total assets EBP, Liability [Abstract] LIABILITIES EBP, Accrued Expense Management expenses payable EBP, Liability Total liabilities EBP, Net Asset Available for Benefit NET ASSETS AVAILABLE FOR BENEFITS Beginning of year Net assets available for benefits per the financial statements NET ASSETS AVAILABLE FOR BENEFITS STATEMENT OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] STATEMENT OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS EBP, Change in Net Asset Available for Benefit, Increase [Abstract] Additions to net assets contributed to: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Unrealized Gain (Loss) on Investment Net appreciation in fair value of investments Unrealized gains/losses on the common stock EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Investment Interest income EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Dividends EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment Net investment income EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Contributions EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash Company EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Participant EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Rollovers EBP, Change in Net Asset Available for Benefit, Increase from Contribution Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Participant loan interest income Amount of increase (decrease) in net asset available for benefit from restates adjustments and unclaims/reclaims. Employee Benefit Plan, Change in Net Asset Available for Benefit, Increase (Decrease) from Restates Adjustments, Unclaims And Reclaims Restates adjustments and unclaims/reclaims EBP, Change in Net Asset Available for Benefit, Increase Total net additions EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Deductions from net assets contributed to: EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Benefits paid to terminated participants and withdrawals EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Management and administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease Total deductions EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Increase in net assets available for benefits per the financial statements Net increase EBP, Change in Net Asset Available for Benefit, Increase (Decrease) [Abstract] Net assets available for benefits DESCRIPTION OF PLAN EBP, Description of Plan [Table] EBP, Description of Plan [Line Items] DESCRIPTION OF PLAN ADMINISTRATIVE FEES EBP, Description of Plan [Text Block] DESCRIPTION OF PLAN SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES EBP, Accounting Policy [Table] EBP, Accounting Policy [Line Items] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES EBP, Summary of Accounting Policy [Text Block] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES FULLY BENEFIT RESPONSIVE INVESTMENT CONTRACTS EBP, Fully Benefit-Responsive Investment Contract [Table] EBP, Fully Benefit-Responsive Investment Contract [Line Items] FULLY BENEFIT RESPONSIVE INVESTMENT CONTRACTS EBP, Fully Benefit-Responsive Investment Contract [Text Block] FULLY BENEFIT RESPONSIVE INVESTMENT CONTRACTS No definition available. Employee Benefit Plan, Plan Termination [Abstract] EBP, Plan Termination [Text Block] PLAN TERMINATION No definition available. Employee Benefit Plan, Administrative Fees [Abstract] The entire disclosure for description of administrative fees. Employee Benefit Plan, Administrative Fees [Text Block] ADMINISTRATIVE FEES EBP, Tax Status [Abstract] EBP, Tax Status [Table] EBP, Tax Status [Line Items] INCOME TAX STATUS EBP, Tax Status [Text Block] INCOME TAX STATUS EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Line Items] TRANSACTIONS WITH PARTIES IN INTEREST EBP, Related Party and Party-in-Interest Transactions [Text Block] TRANSACTIONS WITH PARTIES IN INTEREST EBP, Risk and Uncertainty [Abstract] EBP, Risk and Uncertainty [Table] EBP, Risk and Uncertainty [Line Items] RISKS AND UNCERTAINTIES EBP, Risk and Uncertainty [Text Block] RISKS AND UNCERTAINTIES EBP, Reconciliation of Financial Statement to Form 5500 [Abstract] EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] FORM 5500 RECONCILIATION EBP, Reconciliation of Financial Statement to Form 5500 [Text Block] FORM 5500 RECONCILIATION EBP, Schedule of Asset Held for Investment [Abstract] EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Line Items] FORM 5500, SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) EBP, Schedule of Asset Held for Investment [Text Block] FORM 5500, SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) Disclosure of accounting policy pertaining to voting for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Voting [Policy Text Block] Voting EBP, Basis of Accounting [Policy Text Block] Basis of Accounting EBP, Use of Estimate [Policy Text Block] Use of Estimates EBP, Investment [Policy Text Block] Investment Valuation and Income Recognition EBP, Note Receivable from Participant [Policy Text Block] Participant Loans EBP, Payment to Participant [Policy Text Block] Payment of Benefits EBP, Investment, Fair Value and NAV [Table Text Block] Schedule of investments measured at fair value on a recurring basis EBP, Reconciliation of Financial Statement to Form 5500 [Table Text Block] Schedule of reconciliation of financial statements to Form 5500 Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Maximum [Member] Maximum Percentage cap on balance transfers into the McDonald's Company Stock Fund. Employee Benefit Plan,, Percentage Cap On Balance Transfers Into Company Stock Fund Percentage cap on on balance transfers into the McDonald's Company Stock Fund Percentage of employee maximum contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Employee Contribution, Maximum Percentage Employee contribution (as a percent) Maximum payment of cash dividend. Employee Benefit Plan, Maximum Payment Of Cash Dividend Maximum payment of cash dividend EBP, Participant Contribution, Automatic, Deferral Rate Automatic deferral rate (as a percent) Percentage of automatic annual increases contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Employee Contribution, Automatic Annual Increases Percentage Automatic annual increases contribution (as percent) EBP, Employer Contribution, Participant Compensation Matched, Percentage Participant compensation matched (as a percent) Amount of forced rollover of balances for terminated employees to a specified IRA if the terminated employee otherwise fails to direct the distribution. Employee Benefit Plan, Minimum Account Balance For Automatic Rollover Threshold for forced rollover of balances Extended term of recordkeeping contract agreement. Extended Term Of Recordkeeping Contract Agreement Extended term of recordkeeping agreement (in years) Represents the minimum age criteria for plan eligibility under (employee benefit plan (EBP)). Employee Benefit Plan, Minimum Age For Plan Eligibility Minimum age for Plan eligibility Represents the minimum service period for contribution for eligible compensation for other than highly compensated employees. employee contribution under (employee benefit plan (EBP)). Employee Benefit Plan, Employee Contribution, Minimum Service Period For Plan Eligibility of Other Than Highly Compensated Employees Minimum service period for employee contribution for other than highly compensated employees Represents the minimum service period for contribution for eligible compensation for highly compensated employees for employee contribution under (employee benefit plan (EBP)). Employee Benefit Plan, Employee Contribution, Minimum Service Period For Plan Eligibility of Highly Compensated Employees Minimum service period for employee contribution for highly compensated employees Represents the minimum service period for receiving the employer contribution under (employee benefit plan (EBP)). Employee Benefit Plan, Employer Contribution, Minimum Service Period For Plan Eligibility Minimum service period for receiving employer contribution EBP, Employer Contribution, Matching Percentage Employer matching contribution (as a percent) Represents the minimum service period expressed in hours, for eligibility of employee contribution for highly compensated employees under (employee benefit plan (EBP)). Employee Benefit Plan, Service Period for Eligibility, Minimum Hours for Highly Compensated Employees Service period for eligibility (in hours) Represents the number of days of holding period for uncashed distribution checks in a commingled distribution account under (employee benefit plan (EBP)).. Employee Benefit Plan, Uncashed Distribution, Holding Period Uncashed distribution checks holding period Threshold period after which participant or beneficiary cannot be located uncashed balances used for plan expenses under (employee benefit plan (EBP)). Employee Benefit Plan, Threshold Period for Use of Uncashed Distribution Threshold period for use of uncashed distributions Amount of uncashed balances in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Uncashed Balances Uncashed balances Percentage of incremental investments allocation to be made in one or any combination of the plan's investment options in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Percentage of Incremental Investments Allocation in One or Any Combination of Plan Investments Percentage of incremental investments allocation Threshold percentage of investment in employer common stock fund in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Threshold Percentage of Investment in Employer Common Stock Fund Threshold percentage of investment in employer common stock fund Represents the vested percentage based on years of vesting services. Employee Benefit Plan, Vesting Percentage Vested Percentage Minimum [Member] Minimum EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Note receivable, minimum borrowing amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Note receivable, maximum borrowing amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Note receivable, maximum borrowing percentage Amount of loan processing fee for the participant loans under employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Notes Receivable from Participant Account, Loan Processing Fee Note receivable, loan processing fee Represents the term of loan under employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Note Receivable From Participant, Loan Term Term of loan Percentage added to reference rate used to compute variable rate on notes receivable from participants in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Note Receivable From Participant, Basis Spread on Variable Rate Basis spread on variable rate Threshold loan outstanding amount of terminated employee for the closure of loan without payment in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Note Receivable From Participant, Threshold Outstanding Loan Balance for Closure Without Payment Upon Termination Threshold loan outstanding balances for closure without payment Threshold period for the payment of outstanding loan balances of terminated employee upon exceeding the threshold balance limits in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Note Receivable From Participant, Threshold Period for Payment of Loan if it Exceeds the Threshold Balance Limit Upon Termination Threshold period for payment of outstanding balances Amount of decrease in net asset available for benefit from processing fee for each review of Qualified Domestic Relations Orders guidelines incurred by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Change in Net Asset Available for Benefit, Decrease from Processing Fee Decrease from processing fee Percentage of interest to be owned or controlled by the entity for the entitlement of balances in the plan accounts. Employee Benefit Plan, Threshold Percentage to be Owned or Controlled for Entitlement of Balances in Plan Accounts Percentage to be owned or controlled for entitlement of balances in plan accounts Threshold age that participant must attain for withdrawals in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Participant Withdrawals, Threshold Age Threshold age for withdrawal Threshold dividend amount to be automatically reinvested in employer common stock fund in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Threshold Dividend Amount to be Automatically Reinvested Threshold dividend amount to be automatically reinvested Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Total assets in the fair value hierarchy Fair Value, Inputs, Level 1 [Member] Level 1 Fair Value Measured at Net Asset Value Per Share [Member] Investments measured at net asset value - Common Collective Trust Represents information pertaining to common collective trusts and real estate investments. Defined Benefit Plan, Common Collective Trust And Real Estate [Member] Collective Trusts/103-12 Investments Percentage of restriction of the net asset value availability for net contributions/redemptions in in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Investment, NAV Availability, Percentage of Restriction for Net Contributions or Redemptions Percentage of restriction EBP, Note Receivable from Participant, Allowance for Credit Loss Allowance for credit losses Amount of maximum plan assets balance of active participants for whom recordkeeping fees is charged at subsidized rate. Employee Benefit Plan, Maximum Plan Assets, Subsidized Recordkeeping Fees Maximum plan assets subsidized for recordkeeping fees EBP, Tax Determination Letter, Obtained [true false] Determination letter obtained EBP, Tax Determination Letter, Date Determination letter date EBP, Tax Qualification Status [Extensible Enumeration] Tax qualification status EBP, Related Party and Party-in-Interest [Axis] EBP, Related Party and Party-in-Interest [Domain] Represents information pertaining to employer. Employee Benefit Plan, Employer [Member] Employer Represents information pertaining to investment manager. Employee Benefit Plan, Investment Manager [Member] Plan investment manager EBP, Employer, Common Stock [Member] MCDONALD'S CORPORATION COMMON STOCK EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Realized Gain (Loss) on Investment Realized gains on the common stock EBP, Investment, Number of Shares Number of shares held EBP, Investment Sold, Excluding Plan Interest in Master Trust, Selling Price Selling price EBP, Investment, Sold, Number of Shares Number of shares sold Amount of fees paid during the period through plan participant account. Employee Benefit Plan, Payment Of Fees Fees paid EBP, Form 5500 Caption, Net Assets [Abstract] Reconciliation of net assets available for benefits per the financial statements to Form 5500 EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Contract Value to Current Value Adjustment Adjustment from contract value to fair value for fully benefit responsive investment contracts EBP, Form 5500 Caption, Net Assets Net assets per the Form 5500 EBP, Form 5500 Caption, Net Income (Loss) [Abstract] Reconciliation of the increase in net assets available for benefits per the financial statements to Form 5500 EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Increase (Decrease) from Contract Value to Current Value Change in the adjustment from contract value to fair value for fully benefit responsive investment contracts as of December 31, 2025 EBP, Form 5500 Caption, Net Income (Loss) Net gain per the Form 5500 EBP, Synthetic Investment Contract [Member] SYNTHETIC GUARANTEED INVESTMENT CONTRACTS Investment, Identifier [Axis] EBP, Investment, Issuer Name [Extensible Enumeration] Investment issuer name EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Current Value EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution MCDONALD'S LOAN ASSET EBP, Asset Held for Investment TOTAL ASSETS EBP, Asset Held for Investment, Party-in-Interest [true false] Asset held for investment, party-in-interest EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] Participation status