Revenue Recognition Accounting Policy (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues	$ 1,687	$ 1,636	$ 3,332	$ 3,183
Company Sales
Revenues	511	499	985	969
Franchise and property revenues
Revenues	785	737	1,555	1,451
Franchise contributions for advertising and other services
Revenues	391	400	792	763
UNITED STATES | Company Sales
Revenues	413	400	793	759
UNITED STATES | Franchise and property revenues
Revenues	311	291	606	558
UNITED STATES | Property Revenues
Revenues	14	14	29	29
UNITED STATES | Franchise contributions for advertising and other services
Revenues	231	221	457	422
CHINA | Franchise and property revenues
Revenues	77	61	161	138
Other, Outside the U.S. and China [Member] | Company Sales
Revenues	98	99	192	210
Other, Outside the U.S. and China [Member] | Franchise and property revenues
Revenues	369	357	732	698
Other, Outside the U.S. and China [Member] | Property Revenues
Revenues	14	14	27	28
Other, Outside the U.S. and China [Member] | Franchise contributions for advertising and other services
Revenues	160	179	335	341
KFC Global Division [Member]
Revenues	682	677	1,369	1,337
KFC Global Division [Member] | UNITED STATES | Company Sales
Revenues	17	16	33	31
KFC Global Division [Member] | UNITED STATES | Franchise and property revenues
Revenues	49	47	95	92
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	8	7	16	13
KFC Global Division [Member] | CHINA | Franchise and property revenues
Revenues	61	48	127	109
KFC Global Division [Member] | Other, Outside the U.S. and China [Member] | Company Sales
Revenues	98	99	192	210
KFC Global Division [Member] | Other, Outside the U.S. and China [Member] | Franchise and property revenues
Revenues	290	283	574	543
KFC Global Division [Member] | Other, Outside the U.S. and China [Member] | Property Revenues
Revenues	13	13	26	27
KFC Global Division [Member] | Other, Outside the U.S. and China [Member] | Franchise contributions for advertising and other services
Revenues	143	161	300	306
Pizza Hut Global Division [Member]
Revenues	242	235	496	479
Pizza Hut Global Division [Member] | UNITED STATES | Company Sales
Revenues	4	5	9	10
Pizza Hut Global Division [Member] | UNITED STATES | Franchise and property revenues
Revenues	66	64	136	128
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	74	72	152	144
Pizza Hut Global Division [Member] | CHINA | Franchise and property revenues
Revenues	16	13	34	29
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	65	63	131	133
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	15	16	31	32
Taco Bell Global Division [Member]
Revenues	621	586	1,193	1,103
Taco Bell Global Division [Member] | UNITED STATES | Company Sales
Revenues	253	243	482	457
Taco Bell Global Division [Member] | UNITED STATES | Franchise and property revenues
Revenues	194	178	372	335
Taco Bell Global Division [Member] | UNITED STATES | Property Revenues
Revenues	10	10	20	21
Taco Bell Global Division [Member] | UNITED STATES | Franchise contributions for advertising and other services
Revenues	148	142	288	265
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	14	11	27	22
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	4	3
Habit Division [Member]
Revenues	142	138	274	264
Habit Division [Member] | UNITED STATES | Company Sales
Revenues	139	136	269	261
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	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