Short-term Borrowings and Long-term Debt (Details) - USD ($) $ in Millions					3 Months Ended	4 Months Ended	6 Months Ended
	Aug. 02, 2021	Jun. 01, 2021	Apr. 01, 2021	Mar. 15, 2021	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Debt Instrument [Line Items]
Capital lease obligations					$ 69	$ 69	$ 69		$ 72
Long-term debt and capital less obligations, including current maturities and debt issuance costs					10,745	10,745	10,745		10,813
Less Debt Issuance Costs, Noncurrent, Net					(80)	(80)	(80)		(78)
Long-term debt					10,258	$ 10,258	10,258		10,272
Revolving credit facilities, three months or less, net							0	$ 575
Amount of basis points Term Loan A and Revolving Facility interest rate reduced by due to refinancing						0.25%
Interest Expense, Debt							12
Debt Related Commitment Fees and Debt Issuance Costs							4
Write off of Deferred Debt Issuance Cost							8
Interest Paid, Including Capitalized Interest, Operating and Investing Activities							235	243
Debt Issuance Costs							18	$ 7
Short-term Debt [Line Items]
Long-term Debt, Current Maturities					407	$ 407	407		463
Less current portion of debt issuance costs and discounts					(7)	(7)	(7)		(10)
Short-term borrowings					400	400	400		453
Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount					1,550	1,550	1,550		1,550
Forward-starting interest rate swap [Member] | Cash Flow Hedging [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount					1,500	1,500	1,500		1,500
Paid to Lender
Debt Instrument [Line Items]
Debt Issuance Costs							3
Subsequent Event
Short-term Debt [Line Items]
Repayments of Debt	$ 350
Secured Debt [Member]
Debt Instrument [Line Items]
Senior Notes					2,854	2,854	2,854		2,869
Debt Issuance Costs, Gross					8	8	8
Subsidiary Senior Unsecured Notes [Member] | Unsecured Debt [Member]
Debt Instrument [Line Items]
Senior Notes					750	750	750		1,800
Debt Instrument, Interest Rate, Stated Percentage		5.25%
Repayments of Debt, Maturing in More than Three Months		$ 1,050
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed		102.625%
Write off of Deferred Debt Issuance Cost					6
Payment for Debt Extinguishment or Debt Prepayment Cost					28
Term Loan A Facility [Member]
Debt Instrument [Line Items]
Long-term Debt				$ 750
Term Loan A Facility [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt					750	$ 750	$ 750		431
Debt Instrument, Frequency of Periodic Payment						quarterly
Term Loan A Facility, Repayments of Principal in Year Two and Three						0.625%
Term Loan A Facility, Repayments of Principal in Year Four							1.25%
Term Loan A Facility [Member] | June 2022
Debt Instrument [Line Items]
Long-term Debt				431
Term Loan B Facility [Member]
Debt Instrument [Line Items]
Long-term Debt				1,500
Term Loan B Facility [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt					1,497	$ 1,497	$ 1,497		1,916
Debt Instrument, Frequency of Periodic Payment						quarterly
Term Loan B, Repayment of Principal						0.25%
Term Loan B Facility [Member] | April 2025
Debt Instrument [Line Items]
Long-term Debt				1,900
YUM Senior Unsecured Notes [Member] [Domain] | Unsecured Debt [Member]
Debt Instrument [Line Items]
Senior Notes					$ 4,825	$ 4,825	4,825		$ 3,725
Debt Instrument, Debt Default, Description of Violation or Event of Default			The indenture governing the 2032 Notes contains covenants and events of default that are customary for debt securities of this type, including cross-default provisions whereby the acceleration of the maturity of any of our indebtedness in a principal amount of $100 million or more or the failure to pay the principal of such indebtedness at its stated maturity will constitute an event of default under the 2032 Notes unless such indebtedness is discharged, or the acceleration of the maturity of that indebtedness is annulled, within 30 days after notice.
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facilities, three months or less, net				1,250
Revolving Credit Facility [Member] | June 2022
Debt Instrument [Line Items]
Revolving credit facilities, three months or less, net				$ 1,000
Term Loan A Facility and Revolving Facility | London Interbank Offered Rate (LIBOR) | Minimum | Secured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate						0.75%
Term Loan A Facility and Revolving Facility | London Interbank Offered Rate (LIBOR) | Maximum [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate						1.50%
Term Loan A Facility and Revolving Facility | Base Rate | Minimum | Secured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate						0.00%
Term Loan A Facility and Revolving Facility | Base Rate | Maximum [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate						0.50%
Unsecured Notes Due March 2032
Debt Instrument [Line Items]
Debt Issuance Costs							$ 13
Unsecured Notes Due March 2032 | Unsecured Debt [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Debt			$ 1,100
Debt Instrument, Interest Rate, Stated Percentage			4.625%
Unsecured Notes Due November 2021 | Unsecured Debt [Member] | Subsequent Event
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.75%
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	100.00%