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Summary of Significant Accounting Policies Lease Accounting (Detail) | 12 Months Ended
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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