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Financial Statement Presentation (Details) | 3 Months Ended
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Mar. 21, 2015 Months weeks operating_segments
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Number of Reporting Segments | 5 us-gaap_NumberOfReportableSegments
Number of weeks in each of the first three quarters of each fiscal year | 12 yum_FiscalPeriodWeeksStandard
Number of weeks in the fourth quarter of each fiscal year with 52 weeks | 16 yum_FiscalPeriodWeeksStandardFourthQuarter
Number of months in the first quarter for certain international subsidiaries that operate on monthly calendars | 2 yum_FiscalPeriodMonthsStandardFirstQuarter
Number of months in the second and third quarters for certain international subsidiaries that operate on monthly calendars | 3 yum_FiscalPeriodMonthsStandardSecondAndThirdQuarters
Number of months in the fourth quarter for certain international subsidiaries that operate on monthly calendars | 4 yum_FiscalPeriodMonthsStandardFourthQuarter
Number of periods or months in advance that certain of our international businesses close their books | 1 yum_NumberOfPeriodsOrMonthsInAdvanceThatCertainOfOurInternationalBusinessesCloseTheirBooks

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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Fiscal period months standard first quarter + References No definition available. + Details
Name: | yum_FiscalPeriodMonthsStandardFirstQuarter
Namespace Prefix: | yum_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fiscal period months standard fourth quarter + References No definition available. + Details
Name: | yum_FiscalPeriodMonthsStandardFourthQuarter
Namespace Prefix: | yum_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fiscal period months standard second and third quarters + References No definition available. + Details
Name: | yum_FiscalPeriodMonthsStandardSecondAndThirdQuarters
Namespace Prefix: | yum_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of weeks in each of the first three quarters of each fiscal year if it is a 52 week fiscal year. + References No definition available. + Details
Name: | yum_FiscalPeriodWeeksStandard
Namespace Prefix: | yum_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of weeks in the fourth quarter of each fiscal year if it is a 52 week fiscal year. + References No definition available. + Details
Name: | yum_FiscalPeriodWeeksStandardFourthQuarter
Namespace Prefix: | yum_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of periods or months in advance that certain of our international businesses close their books + References No definition available. + Details
Name: | yum_NumberOfPeriodsOrMonthsInAdvanceThatCertainOfOurInternationalBusinessesCloseTheirBooks
Namespace Prefix: | yum_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration