Selected Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ 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
Fiscal Period Adjustment [Line Items]
Refranchising (gain) loss		$ (21)		$ (53)		$ (3)		$ (4)		$ (72)		$ (7)		$ (64)		$ (49)		$ (141)		$ 23		$ (16)
Costs associated with KFC U.S. Acceleration Agreement				8		9		21		8		2		9		41
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements																		(32)		(5)
Asset Impairment Charges																		15		17		15
Revenues
Operating Profit																		1,625		1,402		1,517
Net Income (loss) - YUM! Brands, Inc.		$ 622		$ 339		$ 391		$ 421		$ 235		$ 362		$ 267		$ 275		$ 1,619		$ 1,293		$ 1,051
Basic Earnings Per Common Share (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 Earnings Per Common Share (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
Dividends Declared Per Common Share (in dollars per share)		$ 0		$ 0.46		$ 0.46		$ 0		$ 0.82		$ 0		$ 0.81		$ 0.92		$ 1.73		$ 1.74		$ 1.56
Unallocated amounts to segment [Member]
Revenues
Franchise and license fees and income	[1]																	$ (2)	[2]	$ 0	[2]	$ 0
U.S. Pension Plans [Member]
Fiscal Period Adjustment [Line Items]
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements	[3]																	(32)		5		6
Discontinued Operations [Member]
Fiscal Period Adjustment [Line Items]
Refranchising (gain) loss																		(12)	[4]	(13)		(17)
Revenues
Company sales																		5,667	[4]	6,789		6,821
Franchise and license fees and income																		109	[4]	120		113
Income from discontinued operations		$ 418		$ 74		$ 151		$ 190		$ 66		$ 116		$ (18)		$ (15)		$ 625	[4]	$ 357		$ 45
Basic Earnings Per Common Share (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 Earnings Per Common Share (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
Continuing Operations [Member]
Fiscal Period Adjustment [Line Items]
Refranchising (gain) loss																		$ (141)		$ 23		$ (16)
Share-based Compensation Expense																		80	[5]	46		45
Revenues
Company sales		$ 993		$ 996		$ 887		$ 1,033		$ 1,051		$ 944		$ 1,324		$ 1,328		4,200		4,356		4,503
Franchise and license fees and income		508		481		477		494		475		467		700		648		2,166		2,084		2,084
Total revenues		1,501		1,477		1,364		1,527		1,526		1,411		2,024		1,976		6,366		6,440		6,587
Restaurant Profit		159		165		147		160		177		149		231		223		702		709
Operating Profit		372	[6]	408	[6]	356	[6]	339	[7]	279	[7]	355	[7]	489	[6]	429	[7]	1,625	[6]	1,402	[7]	1,517
Income from continuing operations		$ 204		$ 265		$ 240		$ 231		$ 169		$ 246		$ 285		$ 290		$ 994		$ 936		$ 1,006
Basic Earnings Per Common Share (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 Earnings Per Common Share (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
Continuing Operations [Member] | Unallocated amounts to segment [Member]
Fiscal Period Adjustment [Line Items]
Share-based Compensation Expense	[5]													$ 30				$ 30
Continuing Operations [Member] | Corporate and Other [Member]
Revenues
Total revenues	[1]																	(2)	[2]	$ 0	[2]	$ 0
General and Administrative Expense [Member] | Unallocated amounts to segment [Member]
Fiscal Period Adjustment [Line Items]
Restructuring and Related Cost, Incurred Cost																		62
General and Administrative Expense [Member] | Corporate and Other [Member]
Fiscal Period Adjustment [Line Items]
Restructuring and Related Cost, Incurred Cost		$ 27		$ 5										39				71
Deferred Vested Project [Member] | U.S. Pension Plans [Member]
Fiscal Period Adjustment [Line Items]
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements	[3]	$ 1												$ 24				25
Deferred Vested Project [Member] | General and Administrative Expense [Member] | U.S. Pension Plans [Member] | Unallocated amounts to segment [Member]
Fiscal Period Adjustment [Line Items]
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements	[3]																	$ 25

[1] Amounts have not been allocated to any segment for performance reporting purposes.

[2] Represents 2016 and 2015 costs associated with the KFC U.S. Acceleration Agreement. See Note 5.

[3] Settlement losses result when benefit payments exceed the sum of the service cost and interest cost within a plan during the year.

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

[5] Includes $30 million due to modifications of awards in connection with the Separation that was not allocated to any of our operating segments for performance purposes. See Note 5.

[6] Includes net gains from refranchising initiatives of $3 million, $53 million, $21 million and $64 million in the first, second, third and fourth quarters, respectively, costs associated with YUM’s Strategic Transformation Initiatives of $5 million, $27 million and $39 million in the second, third and fourth quarters, respectively, a non-cash charge associated with the modification of EID share-based compensation awards in connection with the Separation of $30 million in the fourth quarter, costs associated with KFC U.S. Acceleration Agreement of $9 million, $8 million and $9 million in the first, second and fourth quarters, respectively, and charges incurred as a result of settlement payments of deferred vested pension balances in the Plan of $1 million and $24 million in the third and fourth quarters, respectively. See Note 5.

[7] Includes net gains from refranchising initiatives of $7 million and $49 million in the first and fourth quarters, respectively, and net losses from refranchising initiatives of $72 million and $4 million in the second and third quarters, respectively. Also includes costs associated with KFC U.S. Acceleration Agreement of $2 million, $8 million, $21 million and $41 million in the first, second, third and fourth quarters, respectively. See Note 5.