v2.4.0.6

Financial Statement Presentation (Details)	9 Months Ended
	Sep. 08, 2012 weeks Months operating_segments
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of Reporting Segments	4
Week added as a result of the fiscal year ending on the last Saturday in December	53rd
Frequency of adding a week as a result of the fiscal year ending on the last Saturday in December	five or six
Number of weeks in each of the first three quarters of each fiscal year	12
Number of weeks in the fourth quarter of each fiscal year with 52 weeks	16
Number of weeks in the fourth quarter of each fiscal year with 53 weeks	17
Number of months in the first quarter for certain international subsidiaries that operate on monthly calendars	2
Number of months in the second and third quarters for certain international subsidiaries that operate on monthly calendars	3
Number of months in the fourth quarter for certain international subsidiaries that operate on monthly calendars	4
Number of periods or months in advance that certain of our international businesses close their books	1

X

- 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

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X

- Details

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X

- Definition

Adjustment to the fiscal period due to year ending on the last Saturday in December.

+ References

No definition available.

+ Details

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

X

- Definition

The frequency of adjusting the fiscal period as a result of the fiscal year ending on the last Saturday in December.

+ References

No definition available.

+ Details

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

X

- Definition

Fiscal period months standard first quarter

+ References

No definition available.

+ Details

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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

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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

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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 53 week fiscal year.

+ References

No definition available.

+ Details

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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

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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

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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

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Namespace Prefix:	yum_
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