Items Affecting Comparability of Net Income and Cash Flows (Details 2) - USD ($) $ in Millions		3 Months Ended		8 Months Ended
		Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2017	Aug. 31, 2016
Facility Actions [Line Items]
Store closure income	[1]	$ 3	$ 1	$ 8	$ 7
Store impairment charges		(6)	(6)	(28)	(43)
Closure and impairment expenses		(3)	(5)	(20)	(36)
KFC [Member]
Facility Actions [Line Items]
Store closure income	[1]	2	1	5	5
Store impairment charges		(3)	(5)	(15)	(30)
Closure and impairment expenses		(1)	(4)	(10)	(25)
Pizza Hut [Member]
Facility Actions [Line Items]
Store closure income	[1]	1		3	1
Store impairment charges		(2)	(1)	(12)	(12)
Closure and impairment expenses		(1)	$ (1)	(9)	(11)
All Other Segments [Member]
Facility Actions [Line Items]
Store closure income	[1]				1
Store impairment charges		(1)		(1)	$ (1)
Closure and impairment expenses		$ (1)		$ (1)

[1] Store closure income include proceeds from forced store closures, lease reserves established when we cease using a property under an operating lease and subsequent adjustments to those reserves and other facility-related expenses from previously closed stores. Remaining lease obligations for closed stores were not material at August 31, 2017 or December 31, 2016.