Revenue Recognition Accounting Policy (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Revenues	$ 1,645	$ 1,547
Company Sales
Revenues	474	470
Franchise and property revenues
Revenues	770	714
Franchise contributions for advertising and other services
Revenues	401	363
UNITED STATES \| Company Sales
Revenues	380	359
UNITED STATES \| Franchise and property revenues
Revenues	295	267
UNITED STATES \| Property Revenues
Revenues	15	15
UNITED STATES \| Franchise contributions for advertising and other services
Revenues	226	201
CHINA \| Franchise and property revenues
Revenues	84	77
Other, Outside the U.S. and China [Member] \| Company Sales
Revenues	94	111
Other, Outside the U.S. and China [Member] \| Franchise and property revenues
Revenues	363	341
Other, Outside the U.S. and China [Member] \| Property Revenues
Revenues	13	14
Other, Outside the U.S. and China [Member] \| Franchise contributions for advertising and other services
Revenues	175	162
KFC Global Division [Member]
Revenues	687	660
KFC Global Division [Member] \| UNITED STATES \| Company Sales
Revenues	16	15
KFC Global Division [Member] \| UNITED STATES \| Franchise and property revenues
Revenues	46	45
KFC Global Division [Member] \| UNITED STATES \| Property Revenues
Revenues	3	3
KFC Global Division [Member] \| UNITED STATES \| Franchise contributions for advertising and other services
Revenues	8	6
KFC Global Division [Member] \| CHINA \| Franchise and property revenues
Revenues	66	61
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Company Sales
Revenues	94	111
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise and property revenues
Revenues	284	260
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Property Revenues
Revenues	13	14
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise contributions for advertising and other services
Revenues	157	145
Pizza Hut Global Division [Member]
Revenues	254	244
Pizza Hut Global Division [Member] \| UNITED STATES \| Company Sales
Revenues	5	5
Pizza Hut Global Division [Member] \| UNITED STATES \| Franchise and property revenues
Revenues	70	64
Pizza Hut Global Division [Member] \| UNITED STATES \| Property Revenues
Revenues	1	1
Pizza Hut Global Division [Member] \| UNITED STATES \| Franchise contributions for advertising and other services
Revenues	78	72
Pizza Hut Global Division [Member] \| CHINA \| Franchise and property revenues
Revenues	18	16
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Company Sales
Revenues	0	0
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise and property revenues
Revenues	66	70
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Property Revenues
Revenues	0	0
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise contributions for advertising and other services
Revenues	16	16
Taco Bell Global Division [Member]
Revenues	572	517
Taco Bell Global Division [Member] \| UNITED STATES \| Company Sales
Revenues	229	214
Taco Bell Global Division [Member] \| UNITED STATES \| Franchise and property revenues
Revenues	178	157
Taco Bell Global Division [Member] \| UNITED STATES \| Property Revenues
Revenues	10	11
Taco Bell Global Division [Member] \| UNITED STATES \| Franchise contributions for advertising and other services
Revenues	140	123
Taco Bell Global Division [Member] \| CHINA \| Franchise and property revenues
Revenues	0	0
Taco Bell Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Company Sales
Revenues	0	0
Taco Bell Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise and property revenues
Revenues	13	11
Taco Bell Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Property Revenues
Revenues	0	0
Taco Bell Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise contributions for advertising and other services
Revenues	2	1
Habit Division [Member]
Revenues	132	126
Habit Division [Member] \| UNITED STATES \| Company Sales
Revenues	130	125
Habit Division [Member] \| UNITED STATES \| Franchise and property revenues
Revenues	1	1
Habit Division [Member] \| UNITED STATES \| Property Revenues
Revenues	1	0
Habit Division [Member] \| UNITED STATES \| Franchise contributions for advertising and other services
Revenues	0	0
Habit Division [Member] \| CHINA \| Franchise and property revenues
Revenues	0	0
Habit Division [Member] \| Other, Outside the U.S. and China [Member] \| Company Sales
Revenues	0	0
Habit Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise and property revenues
Revenues	0	0
Habit Division [Member] \| Other, Outside the U.S. and China [Member] \| Property Revenues
Revenues	0	0
Habit Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise contributions for advertising and other services
Revenues	$ 0	$ 0