Selected Quarterly Financial Data (Unaudited) (Details) (USD $) In Millions, except Per Share data, 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
Revenues:
Company sales	$ 3,142	$ 2,762	$ 2,344		$ 2,854		$ 2,431	$ 2,051		$ 3,585		$ 3,557		$ 11,833		$ 10,893		$ 9,783
Franchise and license fees and income	427	406	399		420		385	374		568		554		1,800		1,733		1,560
Total revenues	3,569	3,168	2,743		3,274		2,816	2,425		4,153		4,111		13,633		12,626		11,343
Restaurant profit	599	423	440		494		386	360		519		513		1,981		1,753
Operating Profit	671	473	645	[1]	488	[2]	419	401	[2]	505	[1]	507	[2]	2,294	[1],[3],[4],[5],[6]	1,815	[2],[3],[4],[5],[7]	1,769	[3],[4],[5]
Net Income - YUM! Brands, Inc.	471	331	458		383		316	264		337		356		1,597		1,319		1,158
Basic Earnings Per Common Share (in dollars per share)	$ 1.02	$ 0.71	$ 0.99		$ 0.82		$ 0.67	$ 0.56		$ 0.74		$ 0.77		$ 3.46		$ 2.81		$ 2.44
Diluted Earnings Per Common Share (in dollars per share)	$ 1.00	$ 0.69	$ 0.96		$ 0.80		$ 0.65	$ 0.54		$ 0.72		$ 0.75		$ 3.38		$ 2.74		$ 2.38
Dividends Declared Per Common Share (in dollars per share)	$ 0.00	$ 0.285	$ 0.285		$ 0.00		$ 0.50	$ 0.00		$ 0.67		$ 0.57		$ 1.24		$ 1.07		$ 0.92
53rd Week Impact
Revenues:
Total revenues																91
Restaurant profit																15
Operating Profit												$ 25				$ 25

[1] Includes a non-cash gain recognized upon acquisition of Little Sheep of $74 million in the first quarter, refranchising losses associated with the Pizza Hut UK dine-in business of $24 million and $46 million in the first and fourth quarters, respectively, net U.S. refranchising gains of $45 million and $69 million in the first and fourth quarters, respectively and the YUM Retirement Plan settlement charge of $84 million in the fourth quarter. See Note 4 for further discussion.

[2] Includes losses related to the LJS and A&W divestitures of $68 million and $17 million in the first and third quarters, respectively and a refranchising loss associated with the Pizza Hut UK dine-in business of $76 million in the third quarter. The fourth quarter of 2011 also includes the $25 million impact of the 53rd week in 2011. See Note 4 for further discussion.

[3] Includes equity income from investments in unconsolidated affiliates of $47 million, $47 million and $42 million in 2012, 2011 and 2010, respectively, for China.

[4] 2012, 2011 and 2010 include depreciation reductions arising from the impairment of KFC restaurants we offered to sell of $3 million, $10 million and $9 million, respectively. 2012 and 2011 include depreciation reductions arising from the impairment of Pizza Hut UK restaurants we decided to sell in 2011 of $13 million and $3 million, respectively. See Note 4.

[5] 2012 includes the YUM Retirement Plan settlement charge of $84 million. 2012, 2011 and 2010 include approximately $5 million, $21 million and $9 million, respectively, of charges relating to U.S. general and administrative productivity initiatives and realignment of resources. See Note 4.

[6] 2012 includes gain upon acquisition of Little Sheep of $74 million. See Note 4.

[7] 2011 represents net losses resulting from the LJS and A&W divestitures. See Note 4.