v2.4.0.6

Franchise and License Fees and Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended						4 Months Ended		12 Months Ended
	Sep. 08, 2012	Jun. 16, 2012	Mar. 24, 2012	Sep. 03, 2011	Jun. 11, 2011	Mar. 19, 2011	Dec. 29, 2012	Dec. 31, 2011	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
Franchise And License Fees And Income [Abstract]
Initial fees, including renewal fees									$ 92	$ 83	$ 68
Initial franchise fees included in refranchising gains									(24)	(21)	(15)
Initial fees, net									68	62	53
Continuing fees and rental income									1,732	1,671	1,507
Franchise and license fees and income	$ 427	$ 406	$ 399	$ 420	$ 385	$ 374	$ 568	$ 554	$ 1,800	$ 1,733	$ 1,560

X

- Definition

Revenue earned during the period from consideration (often a percentage of the franchisee's sales) received for the right to operate a business using the entity's name, merchandise, services, methodologies, promotional support, marketing, and supplies.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(e))

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 952

-SubTopic 605

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6490812&loc=d3e68564-108043

+ Details

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

X

- Definition

The amount of initial franchise fees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 952

-SubTopic 605

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6490825&loc=d3e68606-108044



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 45

-Paragraph 22

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

+ Details

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

X

- Definition

Represents the amount of continuing fees in the period.

+ References

No definition available.

+ Details

Name:	yum_ContinuingFees
Namespace Prefix:	yum_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

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

X

- Definition

The amount of initial franchise fees, including renewal fees, net of amounts included in refranchising gains in the period.

+ References

No definition available.

+ Details

Name:	yum_InitialFeesNet
Namespace Prefix:	yum_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of initial franchise fees included in refranchising gains in the period.

+ References

No definition available.

+ Details

Name:	yum_InitialFranchiseFeesIncludedInRefranchisingGains
Namespace Prefix:	yum_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration