v2.4.0.6

Shareholders' Equity (Details) (USD $)
In Millions, except Share data, unless otherwise specified

9 Months Ended

12 Months Ended

Sep. 08, 2012

Sep. 03, 2011

Dec. 25, 2010

Repurchase Of Shares Of The Company's Common Stock [Line Items]

Shares Repurchased

10,773,000

^[1]

10,676,000

^[2]

Dollar Value of Shares Repurchased

$ 702

^[1]

$ 545

^[2]

Remaining dollar value of shares that may be repurchased

236

Value Of Share Repurchases In Current Fiscal Quarter But With Settlement Dates In Subsequent Fiscal Quarter

14

2

19

Share Repurchases In Current Fiscal Quarter But With Settlement Dates In Subsequent Fiscal Quarter

200,000

40,000

400,000

March 2010 [Member]

Repurchase Of Shares Of The Company's Common Stock [Line Items]

Expiration Date

March 2011

Shares Repurchased

0

3,441,000

Dollar Value of Shares Repurchased

0

171

Remaining dollar value of shares that may be repurchased

0

January 2011 [Member]

Repurchase Of Shares Of The Company's Common Stock [Line Items]

Expiration Date

June 2012

Shares Repurchased

2,787,000

7,235,000

Dollar Value of Shares Repurchased

188

374

Remaining dollar value of shares that may be repurchased

0

November 2011 [Member]

Repurchase Of Shares Of The Company's Common Stock [Line Items]

Expiration Date

May 2013

Shares Repurchased

7,986,000

0

Dollar Value of Shares Repurchased

514

0

Remaining dollar value of shares that may be repurchased

$ 236

[1]	Amount includes the effect of $14 million in share repurchases (0.2 million shares) with trade dates prior to September 8, 2012 but with settlement dates subsequent to September 8, 2012.
[2]	Amount excludes the effect of $19 million in share repurchases (0.4 million shares) with trade dates prior to the 2010 fiscal year end but cash settlement dates subsequent to the 2010 fiscal year end and includes the effect of $2 million in share repurchases (0.04 million shares) with trade dates prior to September 3, 2011 but with settlement dates subsequent to September 3, 2011.

X

- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 43

-Section B

-Paragraph 11A

-Chapter 1

-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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

-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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 43

-Section B

-Paragraph 11A

-Chapter 1

-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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30, 31

-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

-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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The remaining repurchase amount authorized by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Expiration date of share repurchase authorization.

+ References

No definition available.

+ Details

Name:	yum_ExpirationDateOfShareRepurchaseAuthorization
Namespace Prefix:	yum_
Data Type:	us-types:dateStringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	yum_RepurchaseOfSharesOfCommonStockLineItems
Namespace Prefix:	yum_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of shares repurchased with trade dates prior to current reporting date but with settlement dates subsequent to the current reporting date.

+ References

No definition available.

+ Details

Name:	yum_ShareRepurchasesPriorToCurrentReportingDateButWithSettlementDatesSubsequentToCurrentReportingDate
Namespace Prefix:	yum_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Value of share repurchases with trade dates prior to current reporting date but with settlement dates subsequent to the current reporting date.

+ References

No definition available.

+ Details

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Namespace Prefix:	yum_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration