Revenue Recognition Accounting Policy (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues	$ 1,763	$ 1,687	$ 3,361	$ 3,332
Company Sales
Revenues	572	511	1,046	985
Franchise and property revenues
Revenues	789	785	1,546	1,555
Franchise contributions for advertising and other services
Revenues	402	391	769	792
UNITED STATES \| Company Sales
Revenues	423	413	806	793
UNITED STATES \| Franchise and property revenues
Revenues	324	311	624	606
UNITED STATES \| Property Revenues
Revenues	14	14	28	29
UNITED STATES \| Franchise contributions for advertising and other services
Revenues	244	231	474	457
CHINA \| Franchise and property revenues
Revenues	79	77	164	161
Other, Outside the U.S. and China [Member] \| Company Sales
Revenues	149	98	240	192
Other, Outside the U.S. and China [Member] \| Franchise and property revenues
Revenues	360	369	707	732
Other, Outside the U.S. and China [Member] \| Property Revenues
Revenues	12	14	23	27
Other, Outside the U.S. and China [Member] \| Franchise contributions for advertising and other services
Revenues	158	160	295	335
KFC Global Division [Member]
Revenues	717	682	1,349	1,369
KFC Global Division [Member] \| UNITED STATES \| Company Sales
Revenues	14	17	28	33
KFC Global Division [Member] \| UNITED STATES \| Franchise and property revenues
Revenues	47	49	90	95
KFC Global Division [Member] \| UNITED STATES \| Property Revenues
Revenues	3	3	6	6
KFC Global Division [Member] \| UNITED STATES \| Franchise contributions for advertising and other services
Revenues	10	8	20	16
KFC Global Division [Member] \| CHINA \| Franchise and property revenues
Revenues	62	61	130	127
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Company Sales
Revenues	149	98	240	192
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise and property revenues
Revenues	282	290	554	574
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Property Revenues
Revenues	11	13	22	26
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise contributions for advertising and other services
Revenues	139	143	259	300
Pizza Hut Global Division [Member]
Revenues	239	242	477	496
Pizza Hut Global Division [Member] \| UNITED STATES \| Company Sales
Revenues	2	4	4	9
Pizza Hut Global Division [Member] \| UNITED STATES \| Franchise and property revenues
Revenues	66	66	134	136
Pizza Hut Global Division [Member] \| UNITED STATES \| Property Revenues
Revenues	1	1	2	2
Pizza Hut Global Division [Member] \| UNITED STATES \| Franchise contributions for advertising and other services
Revenues	73	74	146	152
Pizza Hut Global Division [Member] \| CHINA \| Franchise and property revenues
Revenues	17	16	34	34
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Company Sales
Revenues	0	0	0	0
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise and property revenues
Revenues	63	65	125	131
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Property Revenues
Revenues	1	1	1	1
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise contributions for advertising and other services
Revenues	16	15	31	31
Taco Bell Global Division [Member]
Revenues	666	621	1,264	1,193
Taco Bell Global Division [Member] \| UNITED STATES \| Company Sales
Revenues	268	253	508	482
Taco Bell Global Division [Member] \| UNITED STATES \| Franchise and property revenues
Revenues	209	194	397	372
Taco Bell Global Division [Member] \| UNITED STATES \| Property Revenues
Revenues	10	10	19	20
Taco Bell Global Division [Member] \| UNITED STATES \| Franchise contributions for advertising and other services
Revenues	161	148	307	288
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	15	14	28	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	3	2	5	4
Habit Division [Member]
Revenues	141	142	271	274
Habit Division [Member] \| UNITED STATES \| Company Sales
Revenues	139	139	266	269
Habit Division [Member] \| UNITED STATES \| Franchise and property revenues
Revenues	2	2	3	3
Habit Division [Member] \| UNITED STATES \| Property Revenues
Revenues	0	0	1	1
Habit Division [Member] \| UNITED STATES \| Franchise contributions for advertising and other services
Revenues	0	1	1	1
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