Reportable Operating Segments (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2018		Jun. 30, 2017		Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Franchisor Costs	$ 40		$ 54		$ 87	$ 100
Total Revenues	1,368		1,448		2,739	2,865
Operating Profit	449		419		1,002	903
Other investment (income) expense, net	(23)		(1)		(89)	(2)
Refranchising (gain) loss	(29)		(19)		(185)	(130)
Other (income) expense	(5)		1		(3)	(2)
Cooperative Advertising Expense	274		0		546	0
General and Administrative Expense	208		247		427	484
Cost of Goods and Services Sold	421		748		859	1,506
Other pension income (expense)	(3)		(4)		(6)	(32)
Interest Income (Expense), Net	(112)		(105)		(219)	(215)
Income Before Income Taxes	357		311		866	658
KFC Global Division [Member]
Segment Reporting Information [Line Items]
Total Revenues	651		770		1,309	1,502
Operating Profit	235		243		456	450
Refranchising (gain) loss	(42)		41		(99)	42
Pizza Hut Global Division [Member]
Segment Reporting Information [Line Items]
Total Revenues	233		222		484	456
Operating Profit	81		85		169	168
Refranchising (gain) loss	13		11		11	13
Taco Bell Global Division [Member]
Segment Reporting Information [Line Items]
Total Revenues	484		456		946	907
Operating Profit	149		152		281	293
Refranchising (gain) loss	0		(71)		(97)	(185)
Unallocated [Member]
Segment Reporting Information [Line Items]
Franchisor Costs	1	[1]	13	[1]	2	16
Refranchising (gain) loss	(29)		(19)		(185)	(130)
Other (income) expense	(5)		2		(4)	0
General and Administrative Expense	40	[2]	69	[2]	84	122
Cost of Goods and Services Sold	$ 1		$ 0		$ 1	$ 0

[1] Represents costs associated with the KFC U.S. Acceleration Agreement and Pizza Hut U.S. Transformation Agreement. See Note 5.

[2] Includes non-cash adjustments associated with share-based compensation and charges associated with YUM's Strategic Transformation Initiatives. See Note 5.