Name:	mcd_EmployeeBenefitPlanEmployeeContributionMaximumPercentage
Namespace Prefix:	mcd_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Represents the minimum service period for contribution for eligible compensation for highly compensated employees for employee contribution under (employee benefit plan (EBP)).

No definition available.

Name:	mcd_EmployeeBenefitPlanEmployeeContributionMinimumServicePeriodForPlanEligibilityOfHighlyCompensatedEmployees
Namespace Prefix:	mcd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the minimum service period for receiving the employer contribution under (employee benefit plan (EBP)).

No definition available.

Name:	mcd_EmployeeBenefitPlanEmployerContributionMinimumServicePeriodForPlanEligibility
Namespace Prefix:	mcd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the minimum age criteria for plan eligibility under (employee benefit plan (EBP)).

No definition available.

Name:	mcd_EmployeeBenefitPlanMinimumAgeForPlanEligibility
Namespace Prefix:	mcd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the minimum service period expressed in hours, for eligibility of employee contribution for highly compensated employees under (employee benefit plan (EBP)).

No definition available.

Name:	mcd_EmployeeBenefitPlanServicePeriodForEligibilityMinimumHoursForHighlyCompensatedEmployees
Namespace Prefix:	mcd_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Threshold period after which participant or beneficiary cannot be located uncashed balances used for plan expenses under (employee benefit plan (EBP)).

No definition available.

Name:	mcd_EmployeeBenefitPlanThresholdPeriodForUseOfUncashedDistribution
Namespace Prefix:	mcd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount of uncashed balances in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	mcd_EmployeeBenefitPlanUncashedBalances
Namespace Prefix:	mcd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the number of days of holding period for uncashed distribution checks in a commingled distribution account under (employee benefit plan (EBP))..

No definition available.

Name:	mcd_EmployeeBenefitPlanUncashedDistributionHoldingPeriod
Namespace Prefix:	mcd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

Name:	us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Percentage of employer matching contribution on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

Name:	us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).