Financial Statement Presentation (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2024 USD ($) countries_and_territiories restaurants Rate	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) countries_and_territiories operating_segments Months restaurants Rate	Sep. 30, 2023 USD ($)
Number of Stores \| restaurants	60,000		60,000
Number of Countries in which Entity Operates \| countries_and_territiories	155		155
Percent Of System Units Located Outside United States \| Rate	98.00%		98.00%
Number of Reportable Segments \| operating_segments			4
Fiscal period months standard for each quarter \| Months			3
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax	$ 0	$ 0	$ 0	$ 60
Proceeds from Divestiture of Businesses, Net of Cash Divested			$ 0	$ 121

The number of countries in which the entity operates as of balance sheet date.

No definition available.

Name:	us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-18

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of stores.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount before tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-SubTopic 10
-Topic 220
-Publisher FASB
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This element represents the cash inflow during the period from the sale of a component of the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Fiscal period months standard for each quarter

+ References

No definition available.

+ Details

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Namespace Prefix:	yum_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Franchise Restaurant Ownership

+ References

No definition available.

+ Details

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Namespace Prefix:	yum_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant