v2.4.0.6

Contingencies (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 29, 2012
Guarantor Obligations [Line Items] |
Year longest lease expires | 2151
Property Lease Guarantee [Member] |
Guarantor Obligations [Line Items] |
Year longest lease expires | 2066
Potential amount of undiscounted payments we could be required to make in the event of non-payment | 750
Present value of potential payments we could be required to make in the event of non-payment | 675

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

X
- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 45 -Paragraph 13 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
Name: | us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Present value of maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References No definition available. + Details
Name: | yum_GuaranteeObligationsMaximumExposureAtPresentValue
Namespace Prefix: | yum_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Year that the longest lease is scheduled to expire + References No definition available. + Details
Name: | yum_YearLongestLeaseExpires
Namespace Prefix: | yum_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration