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Summary of Significant Accounting Policies Advertising Costs (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |  |
Company Operated Restaurant Advertising Expense | $ 334.5 | $ 377.6 | $ 325.5
Other Marketing Related Expenses | $ 63.8 | $ 82.9 | 329.2
U.S. and International Operated Markets |  |  |
Segment Reporting Information [Line Items] |  |  |
Other Marketing Related Expenses |  |  | $ 175.0

X
- Definition Advertising costs of Company-operated restaurants included in operating expenses + References No definition available. + Details
Name: | mcd_CompanyOperatedRestaurantAdvertisingExpense
Namespace Prefix: | mcd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Production costs for radio and television advertising as well as other marketing-related expenses included in selling, general and administrative expenses. + References No definition available. + Details
Name: | mcd_OtherMarketingRelatedExpenses
Namespace Prefix: | mcd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition 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. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=mcd_USMarketAndInternationalOperatedMarketsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |