Financial Statement Presentation (Details) $ in Millions		3 Months Ended		9 Months Ended
	Oct. 31, 2016	Sep. 30, 2017 USD ($) restaurants countries_and_territiories	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) restaurants weeks countries_and_territiories	Sep. 30, 2016 USD ($)
Number of Countries in which Entity Operates | countries_and_territiories		137		137
Record date for distribution of Yum China common stock	Oct. 31, 2016
Number of Stores | restaurants		44,000		44,000
Percent Of System Units Located Outside United States		59.00%		59.00%
Total Revenues		$ 1,436	$ 1,518	$ 4,301	$ 4,470
Operating Profit		643	398	$ 1,546	1,162
Fiscal Period Weeks Standard - Historical Calendar | weeks				12
Fiscal Period Weeks Standard Fourth Quarter - Historical Calendar | weeks				16
Number of weeks in a standard year | weeks				52
Fiscal Period Weeks Standard Fourth Quarter of a Leap Year - Historical Calendar | weeks				17
Number of weeks in a leap year | weeks				53
KFC Global Division [Member]
Total Revenues		794	787	$ 2,296	2,302
Operating Profit		260	230	710	618
Pizza Hut Global Division [Member]
Total Revenues		203	251	659	799
Operating Profit		82	84	250	256
Taco Bell Global Division [Member]
Total Revenues		442	481	1,349	1,371
Operating Profit		$ 147	$ 143	$ 440	$ 400