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Summary of Significant Accounting Policies Lease Accounting (Detail)	12 Months Ended
	Dec. 31, 2021 USD ($)
Accounting Policies [Abstract]
Deferred collection amount of rental income	$ 490,000,000

X

- Definition

Deferred collection amount of rental income

+ References

No definition available.

+ Details

Name:	mcd_Deferredcollectionamountofrentalincome
Namespace Prefix:	mcd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration