Document and Entity Information (USD $)	6 Months Ended
	Jun. 16, 2012	Jul. 17, 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			$ 19,523,128,212
Entity Common Stock, Shares Outstanding		455,850,070
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 16, 2012