Document and Entity Information (USD $)	9 Months Ended
	Sep. 08, 2012	Oct. 10, 2012	Jun. 11, 2011
Document And Entity Information [Abstract]
Entity Registrant Name	YUM BRANDS INC
Entity Central Index Key	0001041061
Current Fiscal Year End Date	--12-29
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 24,430,261,521
Entity Common Stock, Shares Outstanding		451,808,634
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 08, 2012