Habit Burger Acquisition (Details) $ in Millions		3 Months Ended					9 Months Ended
	Mar. 18, 2020 USD ($) restaurants	Sep. 30, 2020 USD ($) restaurants		Mar. 31, 2020 USD ($)		Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) restaurants	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Business Acquisition [Line Items]
Number of Stores | restaurants		50,000					50,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	$ 12
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	20
Asset Impairment Charges							$ 156	$ 0
Income Tax Expense (Benefit)		$ 33				$ 45	96	170
Business Acquisition, Goodwill, Expected Tax Deductible Amount		200					200
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	441
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	(241)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	200
Goodwill		(590)					(590)		$ (530)
Business Combination, Consideration Transferred	408						408	$ 0
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment							17
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles							2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	112
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets	96
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	23
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	(70)
Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Lease Obligation	(170)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	(1)
Other Current Liabilities [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles							(2)
Other Noncurrent Liabilities [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles							1
Lease Agreements [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles							(5)
Goodwill impairment tax benefit [Member]
Business Acquisition [Line Items]
Income Tax Expense (Benefit)		1		$ 32
The Habit Burger Grill [Member]
Business Acquisition [Line Items]
Share-based Payment Arrangement, Cash Used to Settle Award	9
Amounts Payable Under Tax Receivable Agreement	53
Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Lease Obligation		225					225
Goodwill	$ (208)	11					11
YUM_LesseeOperatingLeaseLeaseNotYetCommencedAssumptionAndJudgmentValueOfUnderlyingLiabilityAmount		45					45
The Habit Burger Grill [Member] | Company Owned Stores [Member]
Business Acquisition [Line Items]
Number of Stores | restaurants	245
The Habit Burger Grill [Member] | Franchisee Owned Stores [Member]
Business Acquisition [Line Items]
Number of Stores | restaurants	31
Goodwill [Member]
Business Acquisition [Line Items]
Asset Impairment Charges		$ 5	[1]	$ 139	[1]		144
Lease Agreements [Member]
Business Acquisition [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets							(35)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets	$ 198
Other Assets [Member]
Business Acquisition [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets							$ (1)

[1] (a)    The year to date ended September 30, 2019 includes the settlement of contingent consideration associated with our 2013 acquisition of the KFC Turkey and Pizza Hut Turkey businesses of $8 million.