v2.4.0.6

Description of Business (Details) | 12 Months Ended
--- | ---
Dec. 29, 2012 operating_segments countries_and_territiories
Segment Reporting Information [Line Items] |
Approximate Number Of System Units | 39,000
Percent Of System Units Located Outside United States | 54.00%
Approximate Number Of Countries And Territories Where System Units Are Located | 125
Number of Operating Segments | 6
U.S. |
Segment Reporting Information [Line Items] |
Number of Operating Segments | 3

X
- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
Name: | us-gaap_NumberOfOperatingSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Represents the approximate number of countries and territories where system units are located worldwide. + References No definition available. + Details
Name: | yum_ApproximateNumberOfCountriesAndTerritoriesWhereSystemUnitsAreLocated
Namespace Prefix: | yum_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Approximate number of system units operated worldwide. + References No definition available. + Details
Name: | yum_ApproximateNumberOfSystemUnits
Namespace Prefix: | yum_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percent of system units located outside of the United States. + References No definition available. + Details
Name: | yum_PercentOfSystemUnitsLocatedOutsideUnitedStates
Namespace Prefix: | yum_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration