Document and Entity Information (USD $)	3 Months Ended
	Mar. 24, 2012	Apr. 20, 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		460,558,880
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 24, 2012