Short-term Borrowings and Long-term Debt (Details) - USD ($) $ in Millions					4 Months Ended	9 Months Ended	12 Months Ended
		Apr. 01, 2022	Aug. 19, 2021	Jun. 01, 2021	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Mar. 15, 2021
Debt Instrument [Line Items]
Long-term Debt and Lease Obligation, Current							$ (56.0)	$ (405.0)
Debt Issuance Costs, Current, Net							(3.0)	(7.0)
Total Short-term Borrowings							$ 53.0	$ 398.0
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]							Other Liabilities	Other Liabilities
Long-Term Debt and Lease Obligation, Including Current Maturities							$ 11,269.0	$ 11,943.0
Debt Issuance Costs, Noncurrent, Net							(71.0)	(85.0)
Long-term debt including hedge accounting adjustment							11,142.0	11,453.0
Restricted Cash and Cash Equivalents, Current							177.0	220.0
Payments of Debt Issuance Costs							0.0	11.0	$ 37.0
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net							74.0
Revolving credit facilities, three months or less, net							0.0
Annual maturities of all Short-term borrowings and Long-term debt - 2022							48.0
Annual maturities of all Short-term borrowings and Long-term debt - 2023							53.0
Annual maturities of all Short-term borrowings and Long-term debt - 2024							1,599.0
Annual maturities of all Short-term borrowings and Long-term debt - 2025							1,649.0
Annual maturities of all Short-term borrowings and Long-term debt - 2026							1,994.0
Annual maturities of all Short-term borrowings and Long-term debt - After 2026							5,876.0
Annual maturities of all Short-term borrowings and Long-term debt - Total							11,219.0
Interest expense on short-term borrowings and long-term debt							602.0	558.0	551.0
Outstanding borrowings							0.0	279.0
September 2022
Debt Instrument [Line Items]
Stock Repurchase Program, Authorized Amount							2,000.0
Term Loan A Facility [Member]
Debt Instrument [Line Items]
Long-term Debt							$ 717.0			$ 750.0
Issuance date							Mar. 15, 2021
Maturity date							Mar. 15, 2026
Term Loan B Facility [Member]
Debt Instrument [Line Items]
Long-term Debt							$ 1,459.0			$ 1,500.0
Issuance date							Mar. 15, 2021
Maturity date							Mar. 15, 2026
Subsidiary Senior Unsecured Notes due 2027 [Member]
Debt Instrument [Line Items]
Long-term Debt							$ 750.0
Issuance date							Jun. 15, 2017
Maturity date							Jun. 01, 2027
Interest rate, stated (in hundredths)							4.75%
Senior Unsecured Notes Due November 2037 [Member]
Debt Instrument [Line Items]
Issuance date							Oct. 16, 2007
Maturity date							Nov. 15, 2037
Interest rate, stated (in hundredths)							6.88%
Interest rate, effective (in hundredths)							7.45%
Debt Instrument, Face Amount							$ 325.0
Senior Unsecured Notes Due November 2043 [Member]
Debt Instrument [Line Items]
Issuance date							Oct. 31, 2013
Maturity date							Nov. 01, 2043
Interest rate, stated (in hundredths)							5.35%
Interest rate, effective (in hundredths)							5.42%
Debt Instrument, Face Amount							$ 275.0
Senior Unsecured Notes Due January 2030 [Member]
Debt Instrument [Line Items]
Issuance date							Sep. 11, 2019
Maturity date							Jan. 15, 2030
Interest rate, stated (in hundredths)							4.75%
Interest rate, effective (in hundredths)							4.90%
Debt Instrument, Face Amount							$ 800.0
Senior Unsecured Notes Due April 2025
Debt Instrument [Line Items]
Interest rate, stated (in hundredths)		7.75%
Debt Instrument, Face Amount								600.0
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed		103.875%
Payment for Debt Extinguishment or Debt Prepayment Cost		$ 23.0
Senior Unsecured Notes Due March 2031
Debt Instrument [Line Items]
Issuance date							Sep. 25, 2020
Maturity date							Mar. 15, 2031
Interest rate, stated (in hundredths)							3.63%
Interest rate, effective (in hundredths)							3.77%
Debt Instrument, Face Amount							$ 1,050.0
Unsecured Notes Due January 2032
Debt Instrument [Line Items]
Issuance date							Apr. 01, 2021
Maturity date							Jan. 31, 2032
Interest rate, stated (in hundredths)							4.63%
Interest rate, effective (in hundredths)							4.77%
Debt Instrument, Face Amount							$ 1,100.0
Unsecured Notes Due April 2032
Debt Instrument [Line Items]
Interest rate, effective (in hundredths)							5.53%
Senior Unsecured Notes Due April 2032
Debt Instrument [Line Items]
Issuance date							Apr. 01, 2022
Maturity date							Apr. 01, 2032
Interest rate, stated (in hundredths)							5.38%
Debt Instrument, Face Amount							$ 1,000.0
Secured Debt [Member] | Class A-2-II Notes [Member] | 2021
Debt Instrument [Line Items]
Long-term Debt							$ 589.0
Issuance date			Aug. 19, 2021
Maturity date	[1]				Feb. 25, 2029
Interest rate, stated (in hundredths)							2.294%
Interest rate, effective (in hundredths)	[2]						2.42%
Secured Debt [Member] | Class A-2-II Notes [Member] | 2018 [Member]
Debt Instrument [Line Items]
Long-term Debt							$ 595.0
Issuance date							Nov. 28, 2018
Maturity date	[1]						Nov. 28, 2028
Interest rate, stated (in hundredths)							4.94%
Interest rate, effective (in hundredths)	[2]						5.06%
Secured Debt [Member] | Term Loan A Facility [Member]
Debt Instrument [Line Items]
Long-term Debt	[3]						$ 717.0	736.0
Interest rate, effective (in hundredths)	[4]						6.34%
Frequency of interest payments							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%
Secured Debt [Member] | Term Loan B Facility [Member]
Debt Instrument [Line Items]
Long-term Debt	[3]						$ 1,459.0	1,474.0
Interest rate, effective (in hundredths)	[4]						5.06%
Frequency of interest payments							quarterly
Term Loan B, Repayment of Principal							0.25%
Secured Debt [Member] | Revolving Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity							$ 1,250.0
Secured Debt [Member] | the Credit Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Payment Terms							The Credit Agreement is subject to certain mandatory prepayments in the event certain covenants are not met, including an amount equal to 50% of excess cash flow (as defined in the Credit Agreement) on an annual basis and the proceeds of certain asset sales, casualty events and issuances of indebtedness, subject to customary exceptions and reinvestment rights
Debt Instrument, Covenant Compliance							We were in compliance with all debt covenants as of December 31, 2023
Secured Debt [Member] | Class A-2-I Notes [Member] | 2021
Debt Instrument [Line Items]
Long-term Debt							$ 884.0
Issuance date			Aug. 19, 2021
Maturity date	[1]				Feb. 25, 2027
Interest rate, stated (in hundredths)							1.946%
Interest rate, effective (in hundredths)	[2]						2.11%
Secured Debt [Member] | Class A-2-III Notes [Member] | 2021
Debt Instrument [Line Items]
Long-term Debt							$ 737.0
Issuance date			Aug. 19, 2021
Maturity date	[1]				Aug. 25, 2031
Interest rate, stated (in hundredths)							2.542%
Interest rate, effective (in hundredths)	[2]						2.64%
Secured Debt [Member] | Class A-2-III Notes [Member] | 2016 [Member]
Debt Instrument [Line Items]
Long-term Debt							$ 938.0
Issuance date							May 11, 2016
Maturity date	[1]						May 25, 2026
Interest rate, stated (in hundredths)							4.97%
Interest rate, effective (in hundredths)	[2]						5.14%
Secured Debt [Member] | Securitization Notes [Member]
Debt Instrument [Line Items]
Senior Notes, Noncurrent	[5]						$ 3,743.0	3,772.0
Frequency of interest payments							quarterly
Debt Instrument, Payment Terms							no amortization of principal of the Securitization Notes is required prior to their anticipated repayment dates
Long-term Debt, Contingent Payment of Principal or Interest							as of any quarterly measurement date the consolidated leverage ratio (the ratio of total debt to Net Cash Flow (as defined in the related indenture)) for the preceding four fiscal quarters of either the Company and its subsidiaries or the Issuer and its subsidiaries exceeds 5.0:1, in which case amortization payments of 1% per year of the outstanding principal as of the closing of the Securitization Notes are required. As of the most recent quarterly measurement date the consolidated leverage ratio for the Issuer and its subsidiaries did not exceed 5.0:1 and, as a result, amortization payments are not required.
Debt Instrument, Debt Default, Description of Violation or Event of Default							The Securitization Notes are also subject to certain customary events of default, including events relating to non-payment of required interest or principal due on the Securitization Notes, failure to comply with covenants within certain time frames, certain bankruptcy events, breaches of specified representations and warranties, failure of security interests to be effective, certain judgments and failure of the Securitization Entities to maintain a stated debt service coverage ratio
Debt Instrument, Covenant Compliance							As of December 31, 2023, we were in compliance with all of our debt covenant requirements and were not subject to any rapid amortization events
Secured Debt [Member] | Class A-2 Notes [Member] | 2021
Debt Instrument [Line Items]
Long-term Debt, Maturity Date							Aug. 01, 2051
Secured Debt [Member] | Class A-2 Notes [Member] | 2016 [Member]
Debt Instrument [Line Items]
Maturity date							May 01, 2046
Secured Debt [Member] | Class A-2 Notes [Member] | 2018 [Member]
Debt Instrument [Line Items]
Maturity date							Nov. 01, 2048
Secured Debt [Member] | Senior Unsecured Notes Due April 2025
Debt Instrument [Line Items]
Write off of Deferred Debt Issuance Cost								5.0
Senior Unsecured Notes [Member] | Subsidiary Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Senior Notes, Noncurrent	[3]						$ 750.0	750.0
Interest rate, stated (in hundredths)				5.25%
Repayments of Debt, Maturing in More than Three Months		$ 600.0		$ 1,050.0
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed				102.625%
Write off of Deferred Debt Issuance Cost									6.0
Payment for Debt Extinguishment or Debt Prepayment Cost				$ 28.0				23.0	$ 28.0
Debt Instrument, Covenant Compliance							We were in compliance with all debt covenants as of December 31, 2023
Senior Unsecured Notes [Member] | Subsidiary Senior Unsecured Notes due 2027 [Member]
Debt Instrument [Line Items]
Interest rate, effective (in hundredths)	[4]						4.90%
Senior Unsecured Notes [Member] | YUM Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Senior Notes, Noncurrent	[3]						$ 4,550.0	$ 4,875.0
Debt Instrument, Debt Default, Description of Violation or Event of Default							Our YUM Senior Unsecured 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 in excess of $50 million ($100 million or more in the case of the YUM Senior Unsecured Notes issued in 2019 and subsequent years) will constitute a default under the YUM Senior Unsecured Notes unless such indebtedness is discharged, or the acceleration of the maturity of that indebtedness is annulled, within 30 days after notice
Base Rate [Member] | Secured Debt [Member] | Term Loan A and B Facilities and Revolving Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate							0.00%
Base Rate [Member] | Secured Debt [Member] | Term Loan B Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate							0.75%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Secured Debt [Member] | Term Loan A and B Facilities and Revolving Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate							0.75%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Secured Debt [Member] | Term Loan B Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate							1.75%
Minimum [Member] | Base Rate [Member] | Secured Debt [Member] | Term Loan A Facility and Revolving Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate							0.00%
Minimum [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Secured Debt [Member] | Term Loan A Facility and Revolving Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate							0.75%
Maximum [Member] | Base Rate [Member] | Secured Debt [Member] | Term Loan A Facility and Revolving Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate							0.50%
Maximum [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Secured Debt [Member] | Term Loan A Facility and Revolving Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate							1.50%
Debt Service Coverage Ratio - Rapid Amortization Events [Member] | Secured Debt [Member] | Securitization Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant Description							debt service coverage ratio (as defined in the related indenture) of at least 1.1:1
Debt Service Coverage Ratio - Cash Trap Reserve Account [Member] | Secured Debt [Member] | Securitization Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant Description							debt service coverage ratio (or the ratio of Net Cash Flow to all debt service payments for the preceding four fiscal quarters) of at least 1.75:1
Debt Instrument, Covenant Compliance							During the most recent quarter ended December 31, 2023, the Securitization Entities maintained a debt service coverage ratio significantly in excess of the 1.75:1 requirement
Total Leverage Ratio [Member] | Secured Debt [Member] | the Credit Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant Description							require the Borrowers to maintain a total leverage ratio (defined as the ratio of Consolidated Total Debt to Consolidated EBITDA (as these terms are defined in the Credit Agreement)) of 5.0:1 or less
Fixed Charge Coverage Ratio [Member] | Secured Debt [Member] | the Credit Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant Description							fixed charge coverage ratio (defined as the ratio of EBITDA minus capital expenditures to fixed charges (inclusive of rental expense and scheduled amortization)) of at least 1.5:1
Prepaid Expenses and Other Current Assets [Member]
Debt Instrument [Line Items]
Restricted Cash and Cash Equivalents, Current, Statement of Financial Position [Extensible Enumeration]	[6]				Prepaid Expense and Other Assets, Current	Prepaid Expense and Other Assets, Current	Prepaid Expense and Other Assets, Current	Prepaid Expense and Other Assets, Current	Prepaid Expense and Other Assets, Current
Prepaid Expenses and Other Current Assets [Member] | Securitization Notes [Member]
Debt Instrument [Line Items]
Restricted Cash and Cash Equivalents, Current, Statement of Financial Position [Extensible Enumeration]							Prepaid Expense and Other Assets, Current
Letter of Credit [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Outstanding letters of credit							$ 2.0

[1] The legal final maturity dates of the Securitization Notes issued in 2016, 2018 and 2021 are May 2046, November 2048 and August 2051, respectively. If the Issuer has not repaid or refinanced a series of Securitization Notes prior to its respective Anticipated Repayment Dates, rapid amortization of principal on all Securitization Notes will occur and additional interest will accrue on the Securitization Notes.

[2] Includes the effects of the amortization of any discount and debt issuance costs.

[3] We estimated the fair value of the YUM and Subsidiary Senior Unsecured Notes, Term Loan A Facility, and Term Loan B Facility using market quotes and calculations based on market rates.

[4] Includes the effects of the amortization of any discount and debt issuance costs as well as the impact of the interest rate swaps on the Term Loan A and Term Loan B Facilities (see Note 13). The effective rates related to our Term Loan A and B Facilities are based on SOFR-based interest rates at December 31, 2023.

[5] We estimated the fair value of the Securitization Notes using market quotes and calculations. The markets in which the Securitization Notes trade are not considered active markets.

[6] Restricted cash within Prepaid expenses and other current assets reflects the cash related to advertising cooperatives which we consolidate that can only be used to settle obligations of the respective cooperatives and cash held in reserve for Taco Bell Securitization interest payments (see Note 11).