Short-term Borrowings and Long-term Debt (Details) - USD ($)			3 Months Ended			9 Months Ended
	Sep. 25, 2020	Apr. 01, 2020	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Short-term Borrowings and Long-term Debt [Line Items]
Interest Paid, Including Capitalized Interest, Operating and Investing Activities						$ 329,000,000	$ 324,000,000
Revolving credit facilities, three months or less, net						0	0
Capital lease obligations			$ 71,000,000			71,000,000		$ 77,000,000
Long-term debt and capital less obligations, including current maturities and debt issuance costs			11,183,000,000			11,183,000,000		10,648,000,000
Less Debt Issuance Costs, Noncurrent, Net			(82,000,000)			(82,000,000)		(80,000,000)
Less current maturities of long-term debt			(454,000,000)			(454,000,000)		(437,000,000)
Other Short-term Borrowings			0			0		4,000,000
Short-term Debt, excluding debt issuance costs			454,000,000			454,000,000		441,000,000
Long-term debt			10,647,000,000			10,647,000,000		10,131,000,000
Short-term borrowings			444,000,000			444,000,000		431,000,000
Less current portion of debt issuance costs and discounts			(10,000,000)			(10,000,000)		(10,000,000)
Interest Income (Expense), Net			(161,000,000)		$ (120,000,000)	(411,000,000)	(354,000,000)
Payments of Debt Issuance Costs						$ 20,000,000	$ 9,000,000
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed						102.50%
Unsecured Debt [Member] | YUM Senior Unsecured Notes [Member] [Domain]
Short-term Borrowings and Long-term Debt [Line Items]
Senior Notes			$ 4,075,000,000			$ 4,075,000,000		2,425,000,000
Unsecured Debt [Member] | Unsecured Notes Due April 2025 [Member]
Short-term Borrowings and Long-term Debt [Line Items]
Proceeds from Issuance of Debt		$ 600
Debt Instrument, Interest Rate, Stated Percentage		7.75%
Debt Instrument, Frequency of Periodic Payment		semi-annually
Debt Instrument, Debt Default, Description of Violation or Event of Default		The indentures governing the 2025 Notes and the 2031 Notes contain 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 2025 Notes and the 2031 Notes unless such indebtedness is discharged, or the acceleration of the maturity of that indebtedness is annulled.
Unsecured Debt [Member] | Unsecured Notes Due March 2031 [Member]
Short-term Borrowings and Long-term Debt [Line Items]
Proceeds from Issuance of Debt		$ 1,050,000,000
Debt Instrument, Interest Rate, Stated Percentage	3.625%
Debt Instrument, Frequency of Periodic Payment	semi-annually
Payments of Debt Issuance Costs						$ 13,000,000
Debt Instrument, Interest Rate, Effective Percentage			3.765%			3.765%
Unsecured Debt [Member] | Subsidiary Senior Unsecured Notes [Member]
Short-term Borrowings and Long-term Debt [Line Items]
Senior Notes			$ 1,800,000,000			$ 1,800,000,000		2,850,000,000
Debt Instrument, Interest Rate, Stated Percentage			5.00%			5.00%
Write off of Deferred Debt Issuance Cost						$ 6,000,000
Gain (Loss) on Extinguishment of Debt						26,000,000
Repayments of Debt, Maturing in More than Three Months						1,050,000,000
Unsecured Debt [Member] | Subsidiary Senior Unsecured Notes [Member] | Interest Expense [Member]
Short-term Borrowings and Long-term Debt [Line Items]
Gain (Loss) on Extinguishment of Debt						2,000,000
Secured Debt [Member]
Short-term Borrowings and Long-term Debt [Line Items]
Senior Notes			$ 2,876,000,000			2,876,000,000		2,898,000,000
Secured Debt [Member] | Term Loan A Facility [Member]
Short-term Borrowings and Long-term Debt [Line Items]
Long-term Debt			441,000,000			441,000,000		463,000,000
Secured Debt [Member] | Term Loan B Facility [Member]
Short-term Borrowings and Long-term Debt [Line Items]
Long-term Debt			1,920,000,000			$ 1,920,000,000		$ 1,935,000,000
Secured Debt [Member] | Revolving Credit Facility [Member]
Short-term Borrowings and Long-term Debt [Line Items]
Long-term Line of Credit				$ 950,000,000
Revolving Facility Borrowing 3/24 [Member] | Secured Debt [Member] | Revolving Credit Facility [Member]
Short-term Borrowings and Long-term Debt [Line Items]
Revolving credit facilities, three months or less, net				525,000,000
Revolving Facility Borrowing 3/18 [Member] | Secured Debt [Member] | Revolving Credit Facility [Member]
Short-term Borrowings and Long-term Debt [Line Items]
Revolving credit facilities, three months or less, net				$ 425,000,000
Revolving Facility Paydown Q3 [Member] | Secured Debt [Member] | Revolving Credit Facility [Member]
Short-term Borrowings and Long-term Debt [Line Items]
Revolving credit facilities, three months or less, net			575,000,000
Revolving Facility Paydown Q2 [Member] | Secured Debt [Member] | Revolving Credit Facility [Member]
Short-term Borrowings and Long-term Debt [Line Items]
Revolving credit facilities, three months or less, net			$ 375,000,000