Revenue Recognition Accounting Policy (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues	$ 1,640	$ 1,606	$ 4,823	$ 4,694
Company Sales
Revenues	479	513	1,448	1,509
Franchise and property revenues
Revenues	760	716	2,211	2,080
Franchise contributions for advertising and other services
Revenues	401	377	1,164	1,105
UNITED STATES | Company Sales
Revenues	383	377	1,142	1,107
UNITED STATES | Franchise and property revenues
Revenues	285	266	843	798
UNITED STATES | Property Revenues
Revenues	16	16	45	45
UNITED STATES | Franchise contributions for advertising and other services
Revenues	216	207	638	618
CHINA | Franchise and property revenues
Revenues	78	77	216	229
Other, Outside the U.S. and China [Member] | Company Sales
Revenues	96	136	306	402
Other, Outside the U.S. and China [Member] | Franchise and property revenues
Revenues	366	341	1,064	962
Other, Outside the U.S. and China [Member] | Property Revenues
Revenues	15	16	43	46
Other, Outside the U.S. and China [Member] | Franchise contributions for advertising and other services
Revenues	185	170	526	487
KFC Global Division [Member]
Revenues	704	692	2,041	1,999
KFC Global Division [Member] | UNITED STATES | Company Sales
Revenues	16	15	47	45
KFC Global Division [Member] | UNITED STATES | Franchise and property revenues
Revenues	47	46	139	138
KFC Global Division [Member] | UNITED STATES | Property Revenues
Revenues	4	3	10	10
KFC Global Division [Member] | UNITED STATES | Franchise contributions for advertising and other services
Revenues	7	7	20	20
KFC Global Division [Member] | CHINA | Franchise and property revenues
Revenues	61	61	170	181
KFC Global Division [Member] | Other, Outside the U.S. and China [Member] | Company Sales
Revenues	96	128	306	378
KFC Global Division [Member] | Other, Outside the U.S. and China [Member] | Franchise and property revenues
Revenues	291	265	834	750
KFC Global Division [Member] | Other, Outside the U.S. and China [Member] | Property Revenues
Revenues	15	16	42	45
KFC Global Division [Member] | Other, Outside the U.S. and China [Member] | Franchise contributions for advertising and other services
Revenues	167	151	473	432
Pizza Hut Global Division [Member]
Revenues	237	247	716	747
Pizza Hut Global Division [Member] | UNITED STATES | Company Sales
Revenues	4	5	14	15
Pizza Hut Global Division [Member] | UNITED STATES | Franchise and property revenues
Revenues	65	63	193	197
Pizza Hut Global Division [Member] | UNITED STATES | Property Revenues
Revenues	1	2	3	4
Pizza Hut Global Division [Member] | UNITED STATES | Franchise contributions for advertising and other services
Revenues	72	70	216	223
Pizza Hut Global Division [Member] | CHINA | Franchise and property revenues
Revenues	17	16	46	48
Pizza Hut Global Division [Member] | Other, Outside the U.S. and China [Member] | Company Sales
Revenues	0	8	0	24
Pizza Hut Global Division [Member] | Other, Outside the U.S. and China [Member] | Franchise and property revenues
Revenues	62	66	195	185
Pizza Hut Global Division [Member] | Other, Outside the U.S. and China [Member] | Property Revenues
Revenues	0	0	1	1
Pizza Hut Global Division [Member] | Other, Outside the U.S. and China [Member] | Franchise contributions for advertising and other services
Revenues	16	17	48	50
Taco Bell Global Division [Member]
Revenues	568	534	1,671	1,554
Taco Bell Global Division [Member] | UNITED STATES | Company Sales
Revenues	234	225	691	656
Taco Bell Global Division [Member] | UNITED STATES | Franchise and property revenues
Revenues	173	156	508	460
Taco Bell Global Division [Member] | UNITED STATES | Property Revenues
Revenues	10	11	31	31
Taco Bell Global Division [Member] | UNITED STATES | Franchise contributions for advertising and other services
Revenues	136	130	401	375
Taco Bell Global Division [Member] | CHINA | Franchise and property revenues
Revenues	0	0	0	0
Taco Bell Global Division [Member] | Other, Outside the U.S. and China [Member] | Company Sales
Revenues	0	0	0	0
Taco Bell Global Division [Member] | Other, Outside the U.S. and China [Member] | Franchise and property revenues
Revenues	13	10	35	27
Taco Bell Global Division [Member] | Other, Outside the U.S. and China [Member] | Property Revenues
Revenues	0	0	0	0
Taco Bell Global Division [Member] | Other, Outside the U.S. and China [Member] | Franchise contributions for advertising and other services
Revenues	2	2	5	5
Habit Division [Member]
Revenues	131	133	395	394
Habit Division [Member] | UNITED STATES | Company Sales
Revenues	129	132	390	391
Habit Division [Member] | UNITED STATES | Franchise and property revenues
Revenues	0	1	3	3
Habit Division [Member] | UNITED STATES | Property Revenues
Revenues	1	0	1	0
Habit Division [Member] | UNITED STATES | Franchise contributions for advertising and other services
Revenues	1	0	1	0
Habit Division [Member] | CHINA | Franchise and property revenues
Revenues	0	0	0	0
Habit Division [Member] | Other, Outside the U.S. and China [Member] | Company Sales
Revenues	0	0	0	0
Habit Division [Member] | Other, Outside the U.S. and China [Member] | Franchise and property revenues
Revenues	0	0	0	0
Habit Division [Member] | Other, Outside the U.S. and China [Member] | Property Revenues
Revenues	0	0	0	0
Habit Division [Member] | Other, Outside the U.S. and China [Member] | Franchise contributions for advertising and other services
Revenues	$ 0	$ 0	$ 0	$ 0