Short-term Borrowings and Long-term Debt (Details)				1 Months Ended	3 Months Ended
	Jun. 01, 2021 USD ($)	Apr. 01, 2021 USD ($) Rate	Mar. 15, 2021 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Revolving credit facilities, three months or less, net					$ 0	$ 950,000,000
Amount of basis points Term Loan A and Revolving Facility interest rate reduced by due to refinancing				0.0025
Interest Income (Expense), Net					(131,000,000)	(118,000,000)
Interest Expense, Debt					12,000,000
Capital lease obligations				$ 69,000,000	69,000,000		$ 72,000,000
Long-term debt and capital less obligations, including current maturities and debt issuance costs				10,705,000,000	10,705,000,000		10,813,000,000
Less Debt Issuance Costs, Noncurrent, Net				(75,000,000)	(75,000,000)		(78,000,000)
Long-term Debt, Current Maturities				401,000,000	401,000,000		463,000,000
Long-term debt				10,229,000,000	10,229,000,000		10,272,000,000
Interest Paid, Including Capitalized Interest, Operating and Investing Activities					88,000,000	72,000,000
Debt Issuance Costs					5,000,000	$ 0
Short-term Debt [Line Items]
Long-term Debt, Current Maturities				401,000,000	401,000,000		463,000,000
Less current portion of debt issuance costs and discounts				(7,000,000)	(7,000,000)		(10,000,000)
Short-term borrowings				394,000,000	394,000,000		453,000,000
Secured Debt [Member]
Debt Instrument [Line Items]
Senior Notes				2,861,000,000	2,861,000,000		2,869,000,000
Debt Issuance Costs, Gross				8,000,000	8,000,000
Term Loan A Facility [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 750,000,000
Term Loan A Facility [Member] | June 2022
Debt Instrument [Line Items]
Long-term Debt			431,000,000
Term Loan A Facility [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt				$ 750,000,000	750,000,000		431,000,000
Debt Instrument, Frequency of Periodic Payment				quarterly
Term Loan A Facility, Repayments of Principal in Year Four				1.25%
Term Loan A Facility, Repayments of Principal in Year Two and Three				0.625%
Term Loan B Facility [Member]
Debt Instrument [Line Items]
Long-term Debt			1,500,000,000
Term Loan B Facility [Member] | April 2025
Debt Instrument [Line Items]
Long-term Debt			1,900,000,000
Term Loan B Facility [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt				$ 1,500,000,000	1,500,000,000		1,916,000,000
Term Loan B, Repayment of Principal				0.25%
Debt Instrument, Frequency of Periodic Payment				quarterly
YUM Senior Unsecured Notes [Member] [Domain] | Unsecured Debt [Member]
Debt Instrument [Line Items]
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.
Senior Notes				$ 3,725,000,000	3,725,000,000		3,725,000,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facilities, three months or less, net			1,250,000,000
Revolving Credit Facility [Member] | June 2022
Debt Instrument [Line Items]
Revolving credit facilities, three months or less, net			$ 1,000,000,000.0
Unsecured Notes Due March 2032 | Unsecured Debt [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Debt		$ 1,100,000,000
Debt Instrument, Interest Rate, Stated Percentage | Rate		4.625%
Subsidiary Senior Unsecured Notes [Member] | Unsecured Debt [Member]
Debt Instrument [Line Items]
Senior Notes				$ 1,800,000,000	$ 1,800,000,000		$ 1,800,000,000
Subsidiary Senior Unsecured Notes [Member] | Unsecured Debt [Member] | Subsequent Event
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.25%
Repayments of Debt, Maturing in More than Three Months	$ 1,050,000,000
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	102.625%
Term Loan A Facility and Revolving Facility | Secured Debt [Member] | London Interbank Offered Rate (LIBOR) | Minimum
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				0.75%
Term Loan A Facility and Revolving Facility | Secured Debt [Member] | London Interbank Offered Rate (LIBOR) | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				1.50%
Term Loan A Facility and Revolving Facility | Secured Debt [Member] | Base Rate | Minimum
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				0.00%
Term Loan A Facility and Revolving Facility | Secured Debt [Member] | Base Rate | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				0.50%