Revenue Recognition Accounting Policy (Details 2) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Disaggregation of Revenue [Line Items]
Total Revenues	$ 1,254	$ 1,371
KFC Global Division [Member]
Disaggregation of Revenue [Line Items]
Total Revenues	566	658
Pizza Hut Global Division [Member]
Disaggregation of Revenue [Line Items]
Total Revenues	243	251
Taco Bell Global Division [Member]
Disaggregation of Revenue [Line Items]
Total Revenues	445	462
UNITED STATES
Disaggregation of Revenue [Line Items]
Operating Leases, Income Statement, Minimum Lease Revenue	18	12
UNITED STATES | KFC Global Division [Member]
Disaggregation of Revenue [Line Items]
Operating Leases, Income Statement, Minimum Lease Revenue	6	6
UNITED STATES | Pizza Hut Global Division [Member]
Disaggregation of Revenue [Line Items]
Operating Leases, Income Statement, Minimum Lease Revenue	2	1
UNITED STATES | Taco Bell Global Division [Member]
Disaggregation of Revenue [Line Items]
Operating Leases, Income Statement, Minimum Lease Revenue	10	5
Other, Outside the U.S. and China [Member]
Disaggregation of Revenue [Line Items]
Operating Leases, Income Statement, Minimum Lease Revenue	19	20
Other, Outside the U.S. and China [Member] | KFC Global Division [Member]
Disaggregation of Revenue [Line Items]
Operating Leases, Income Statement, Minimum Lease Revenue	18	19
Other, Outside the U.S. and China [Member] | Pizza Hut Global Division [Member]
Disaggregation of Revenue [Line Items]
Operating Leases, Income Statement, Minimum Lease Revenue	1	1
Other, Outside the U.S. and China [Member] | Taco Bell Global Division [Member]
Disaggregation of Revenue [Line Items]
Operating Leases, Income Statement, Minimum Lease Revenue	0	0
Product [Member]
Disaggregation of Revenue [Line Items]
Revenues	333	512
Product [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	217	273
Product [Member] | UNITED STATES | KFC Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	16	17
Product [Member] | UNITED STATES | Pizza Hut Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	5	14
Product [Member] | UNITED STATES | Taco Bell Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	196	242
Product [Member] | Other, Outside the U.S. and China [Member]
Disaggregation of Revenue [Line Items]
Revenues	116	239
Product [Member] | Other, Outside the U.S. and China [Member] | KFC Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	109	228
Product [Member] | Other, Outside the U.S. and China [Member] | Pizza Hut Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	6	10
Product [Member] | Other, Outside the U.S. and China [Member] | Taco Bell Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	1	1
Franchise [Member]
Disaggregation of Revenue [Line Items]
Revenues	612	584
Franchise [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	233	224
Franchise [Member] | UNITED STATES | KFC Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	38	38
Franchise [Member] | UNITED STATES | Pizza Hut Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	67	69
Franchise [Member] | UNITED STATES | Taco Bell Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	128	117
Franchise [Member] | CHINA
Disaggregation of Revenue [Line Items]
Revenues	71	70
Franchise [Member] | CHINA | KFC Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	56	54
Franchise [Member] | CHINA | Pizza Hut Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	15	16
Franchise [Member] | CHINA | Taco Bell Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0
Franchise [Member] | Other, Outside the U.S. and China [Member]
Disaggregation of Revenue [Line Items]
Revenues	271	258
Franchise [Member] | Other, Outside the U.S. and China [Member] | KFC Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	205	190
Franchise [Member] | Other, Outside the U.S. and China [Member] | Pizza Hut Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	60	62
Franchise [Member] | Other, Outside the U.S. and China [Member] | Taco Bell Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	6	6
Advertising [Member]
Disaggregation of Revenue [Line Items]
Revenues	309	275
Advertising [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	180	158
Advertising [Member] | UNITED STATES | KFC Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	2	2
Advertising [Member] | UNITED STATES | Pizza Hut Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	74	65
Advertising [Member] | UNITED STATES | Taco Bell Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	104	91
Advertising [Member] | Other, Outside the U.S. and China [Member]
Disaggregation of Revenue [Line Items]
Revenues	129	117
Advertising [Member] | Other, Outside the U.S. and China [Member] | KFC Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	116	104
Advertising [Member] | Other, Outside the U.S. and China [Member] | Pizza Hut Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	13	13
Advertising [Member] | Other, Outside the U.S. and China [Member] | Taco Bell Global Division [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 0