Earnings Per Common Share ("EPS") (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended						4 Months Ended		12 Months Ended
		Sep. 03, 2016	Jun. 11, 2016	Mar. 19, 2016	Sep. 05, 2015	Jun. 13, 2015	Mar. 21, 2015	Dec. 31, 2016	Dec. 26, 2015	Dec. 31, 2016		Dec. 26, 2015	Dec. 27, 2014
Net Income		$ 622	$ 339	$ 391	$ 421	$ 235	$ 362	$ 267	$ 275	$ 1,619		$ 1,293	$ 1,051
Weighted-average common shares outstanding (for basic calculation) (in shares)										394.0		436.0	444.0
Effect of dilutive share-based employee compensation (in shares)										6.0		7.0	9.0
Weighted-average common and dilutive potential common shares outstanding (for diluted calculation) (in shares)										400.0		443.0	453.0
Basic EPS (in dollars per share)		$ 1.59	$ 0.82	$ 0.94	$ 0.97	$ 0.54	$ 0.83	$ 0.72	$ 0.64	$ 4.11		$ 2.97	$ 2.37
Diluted EPS (in dollars per share)		$ 1.56	$ 0.81	$ 0.93	$ 0.95	$ 0.53	$ 0.81	$ 0.71	$ 0.63	$ 4.04		$ 2.92	$ 2.32
Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation (in shares)	[1]									5.0		4.5	5.5
Continuing Operations [Member]
Income from continuing operations		$ 204	$ 265	$ 240	$ 231	$ 169	$ 246	$ 285	$ 290	$ 994		$ 936	$ 1,006
Basic EPS (in dollars per share)		$ 0.52	$ 0.65	$ 0.58	$ 0.53	$ 0.39	$ 0.56	$ 0.77	$ 0.67	$ 2.52		$ 2.15	$ 2.27
Diluted EPS (in dollars per share)		$ 0.51	$ 0.64	$ 0.57	$ 0.52	$ 0.38	$ 0.55	$ 0.76	$ 0.66	$ 2.48		$ 2.11	$ 2.22
Discontinued Operations [Member]
Income from discontinued operations		$ 418	$ 74	$ 151	$ 190	$ 66	$ 116	$ (18)	$ (15)	$ 625	[2]	$ 357	$ 45
Basic EPS (in dollars per share)		$ 1.07	$ 0.17	$ 0.36	$ 0.44	$ 0.15	$ 0.27	$ (0.05)	$ (0.03)	$ 1.59		$ 0.82	$ 0.10
Diluted EPS (in dollars per share)		$ 1.05	$ 0.17	$ 0.36	$ 0.43	$ 0.15	$ 0.26	$ (0.05)	$ (0.03)	$ 1.56		$ 0.81	$ 0.10

[1] These unexercised employee stock options and stock appreciation rights were not included in the computation of diluted EPS because to do so would have been antidilutive for the periods presented.

[2] Includes Yum China financial results from January 1, 2016 to October 31, 2016.