Revenue Recognition Accounting Policy (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Revenues	$ 1,263	$ 1,254
Product [Member]
Revenues	355	333
Franchise [Member]
Revenues	596	612
Advertising [Member]
Revenues	312	309
UNITED STATES
Operating Leases, Income Statement, Minimum Lease Revenue	15	18
UNITED STATES \| Product [Member]
Revenues	228	217
UNITED STATES \| Franchise [Member]
Revenues	231	233
UNITED STATES \| Advertising [Member]
Revenues	181	180
CHINA \| Franchise [Member]
Revenues	57	71
Other, Outside the U.S. and China [Member]
Operating Leases, Income Statement, Minimum Lease Revenue	15	19
Other, Outside the U.S. and China [Member] \| Product [Member]
Revenues	127	116
Other, Outside the U.S. and China [Member] \| Franchise [Member]
Revenues	278	271
Other, Outside the U.S. and China [Member] \| Advertising [Member]
Revenues	131	129
Taco Bell Global Division [Member]
Revenues	453	445
Taco Bell Global Division [Member] \| UNITED STATES
Operating Leases, Income Statement, Minimum Lease Revenue	10	10
Taco Bell Global Division [Member] \| UNITED STATES \| Product [Member]
Revenues	198	196
Taco Bell Global Division [Member] \| UNITED STATES \| Franchise [Member]
Revenues	131	128
Taco Bell Global Division [Member] \| UNITED STATES \| Advertising [Member]
Revenues	107	104
Taco Bell Global Division [Member] \| CHINA \| Franchise [Member]
Revenues	0	0
Taco Bell Global Division [Member] \| Other, Outside the U.S. and China [Member]
Operating Leases, Income Statement, Minimum Lease Revenue	0	0
Taco Bell Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Product [Member]
Revenues	0	1
Taco Bell Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise [Member]
Revenues	7	6
Taco Bell Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Advertising [Member]
Revenues	0	0
Pizza Hut Global Division [Member]
Revenues	235	243
Pizza Hut Global Division [Member] \| UNITED STATES
Operating Leases, Income Statement, Minimum Lease Revenue	1	2
Pizza Hut Global Division [Member] \| UNITED STATES \| Product [Member]
Revenues	5	5
Pizza Hut Global Division [Member] \| UNITED STATES \| Franchise [Member]
Revenues	62	67
Pizza Hut Global Division [Member] \| UNITED STATES \| Advertising [Member]
Revenues	70	74
Pizza Hut Global Division [Member] \| CHINA \| Franchise [Member]
Revenues	10	15
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member]
Operating Leases, Income Statement, Minimum Lease Revenue	1	1
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Product [Member]
Revenues	13	6
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise [Member]
Revenues	59	60
Pizza Hut Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Advertising [Member]
Revenues	14	13
KFC Global Division [Member]
Revenues	566	566
KFC Global Division [Member] \| UNITED STATES
Operating Leases, Income Statement, Minimum Lease Revenue	4	6
KFC Global Division [Member] \| UNITED STATES \| Product [Member]
Revenues	16	16
KFC Global Division [Member] \| UNITED STATES \| Franchise [Member]
Revenues	38	38
KFC Global Division [Member] \| UNITED STATES \| Advertising [Member]
Revenues	4	2
KFC Global Division [Member] \| CHINA \| Franchise [Member]
Revenues	47	56
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member]
Operating Leases, Income Statement, Minimum Lease Revenue	14	18
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Product [Member]
Revenues	114	109
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Franchise [Member]
Revenues	212	205
KFC Global Division [Member] \| Other, Outside the U.S. and China [Member] \| Advertising [Member]
Revenues	$ 117	$ 116

The total amount of lease revenue recognized for the period for which the lessee was obligated under leasing arrangements regardless of any other events or conditions. This amount excludes contingent revenue and sublease revenue.

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e39896-112707

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(1))
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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