Goodwill and Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended					12 Months Ended						12 Months Ended				12 Months Ended							12 Months Ended
	Dec. 29, 2012		Dec. 31, 2011		Dec. 25, 2010	Dec. 31, 2011 LJS and AW	Dec. 29, 2012 U.S.		Dec. 31, 2011 U.S.		Dec. 25, 2010 U.S.	Dec. 29, 2012 India		Dec. 31, 2011 India	Dec. 25, 2010 India	Dec. 29, 2012 YRI		Dec. 31, 2011 YRI		Dec. 25, 2010 YRI	Oct. 31, 2011 YRI KFC South Africa restaurants	Dec. 29, 2012 KFC and Taco Bell [Member]	Dec. 29, 2012 China		Dec. 31, 2011 China		Dec. 25, 2010 China	Feb. 01, 2012 Little Sheep [Member]
Changes in the carrying amount of goodwill [Roll Forward]
Goodwill, gross	$ 1,051		$ 698	[1]	$ 702		$ 297		$ 311	[1]	$ 348	$ 0		$ 0	$ 0	$ 288		$ 299		$ 269			$ 466		$ 88		$ 85
Accumulated impairment losses (beginning balance)	(17)	[1]	(43)				0	[1]	(26)			0		0		(17)		(17)					0		0
Goodwill, net	1,034	[2]	681	[1]	659		297		311	[1]	322	0		0	0	271		282		252			466		88		85
Acquisitions	376	[2]	32	[3]			0		0			0		0		0		32	[3]				376	[2]	0
Disposals and other, net	(23)	[4]	(10)	[4]			(14)	[4]	(11)	[4]		0	[4]	0		(11)	[4]	(2)	[4]				2	[4]	3	[4]
Accumulated impairment losses (ending balance)	(17)		(17)	[1]			0		0	[1]		0		0		(17)		(17)					0		0
Number of restaurants acquired																					68
Goodwill write-off related to sale of business						26
Remaining goodwill assigned from the acquisition of LJS and AW																						130
Business Acquisition, Purchase Price Allocation, Goodwill Amount																												$ 376

[1] As a result of the LJS and A&W divestitures in 2011, we disposed of $26 million of goodwill assigned to our LJS and A&W reporting unit that was previously fully impaired. Goodwill that was assigned to our KFC U.S. and Taco Bell U.S. reporting units upon the acquisition of LJS and A&W and that has not been previously included in the carrying amounts of restaurants disposed of was not impaired, totals approximately $130 million and remains on our Consolidated Balance Sheet at December 29, 2012.

[2] We recorded goodwill of $376 million related to our acquisition of Little Sheep. See Note 4.

[3] We recorded goodwill in our YRI segment related to the acquisition of 68 stores in South Africa. See Note 4.

[4] Disposals and other, net includes the impact of foreign currency translation on existing balances and goodwill write-offs associated with refranchising.