Revenue Recognition Accounting Policy (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues	$ 1,636	$ 1,602	$ 3,183	$ 3,088
Company Sales
Revenues	499	520	969	996
Franchise and property revenues
Revenues	737	706	1,451	1,364
Franchise contributions for advertising and other services
Revenues	400	376	763	728
UNITED STATES | Company Sales
Revenues	400	382	759	730
UNITED STATES | Franchise and property revenues
Revenues	291	276	558	532
UNITED STATES | Property Revenues
Revenues	14	15	29	29
UNITED STATES | Franchise contributions for advertising and other services
Revenues	221	209	422	411
CHINA | Franchise and property revenues
Revenues	61	74	138	152
Other, Outside the U.S. and China [Member] | Company Sales
Revenues	99	138	210	266
Other, Outside the U.S. and China [Member] | Franchise and property revenues
Revenues	357	326	698	621
Other, Outside the U.S. and China [Member] | Property Revenues
Revenues	14	15	28	30
Other, Outside the U.S. and China [Member] | Franchise contributions for advertising and other services
Revenues	179	167	341	317
KFC Global Division [Member]
Revenues	677	682	1,337	1,307
KFC Global Division [Member] | UNITED STATES | Company Sales
Revenues	16	16	31	30
KFC Global Division [Member] | UNITED STATES | Franchise and property revenues
Revenues	47	48	92	92
KFC Global Division [Member] | UNITED STATES | Property Revenues
Revenues	3	3	6	7
KFC Global Division [Member] | UNITED STATES | Franchise contributions for advertising and other services
Revenues	7	7	13	13
KFC Global Division [Member] | CHINA | Franchise and property revenues
Revenues	48	58	109	120
KFC Global Division [Member] | Other, Outside the U.S. and China [Member] | Company Sales
Revenues	99	131	210	250
KFC Global Division [Member] | Other, Outside the U.S. and China [Member] | Franchise and property revenues
Revenues	283	255	543	485
KFC Global Division [Member] | Other, Outside the U.S. and China [Member] | Property Revenues
Revenues	13	15	27	29
KFC Global Division [Member] | Other, Outside the U.S. and China [Member] | Franchise contributions for advertising and other services
Revenues	161	149	306	281
Pizza Hut Global Division [Member]
Revenues	235	249	479	500
Pizza Hut Global Division [Member] | UNITED STATES | Company Sales
Revenues	5	5	10	10
Pizza Hut Global Division [Member] | UNITED STATES | Franchise and property revenues
Revenues	64	67	128	134
Pizza Hut Global Division [Member] | UNITED STATES | Property Revenues
Revenues	1	2	2	2
Pizza Hut Global Division [Member] | UNITED STATES | Franchise contributions for advertising and other services
Revenues	72	74	144	153
Pizza Hut Global Division [Member] | CHINA | Franchise and property revenues
Revenues	13	16	29	32
Pizza Hut Global Division [Member] | Other, Outside the U.S. and China [Member] | Company Sales
Revenues	0	7	0	16
Pizza Hut Global Division [Member] | Other, Outside the U.S. and China [Member] | Franchise and property revenues
Revenues	63	62	133	119
Pizza Hut Global Division [Member] | Other, Outside the U.S. and China [Member] | Property Revenues
Revenues	1	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	16	32	33
Taco Bell Global Division [Member]
Revenues	586	532	1,103	1,020
Taco Bell Global Division [Member] | UNITED STATES | Company Sales
Revenues	243	223	457	431
Taco Bell Global Division [Member] | UNITED STATES | Franchise and property revenues
Revenues	178	160	335	304
Taco Bell Global Division [Member] | UNITED STATES | Property Revenues
Revenues	10	10	21	20
Taco Bell Global Division [Member] | UNITED STATES | Franchise contributions for advertising and other services
Revenues	142	128	265	245
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	11	9	22	17
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	3	3
Habit Division [Member]
Revenues	138	139	264	261
Habit Division [Member] | UNITED STATES | Company Sales
Revenues	136	138	261	259
Habit Division [Member] | UNITED STATES | Franchise and property revenues
Revenues	2	1	3	2
Habit Division [Member] | UNITED STATES | Property Revenues
Revenues	0	0	0	0
Habit Division [Member] | UNITED STATES | Franchise contributions for advertising and other services
Revenues	0	0	0	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