Fair Value Disclosures (Details) $ in Millions		3 Months Ended	9 Months Ended
		Sep. 30, 2021 USD ($) restaurants Rate	Sep. 30, 2021 USD ($) restaurants Rate	Mar. 15, 2021 USD ($)	Dec. 31, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Payments for (Proceeds from) Investments		$ 44
Investment Owned, at Fair Value		$ 83	$ 83		$ 31
Investment Income, Nonoperating			$ 52
Number of Stores | restaurants		52,000	52,000
Equity Method Investment, Ownership Percentage | Rate		5.00%	5.00%
Number of Stores Refranchised
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of Stores | restaurants		60	60
Term Loan A Facility [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt obligations, excluding capital leases, carrying amount				$ 750
Term Loan B Facility [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt obligations, excluding capital leases, carrying amount				$ 1,500
Secured Debt [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes, Noncurrent	[1]	$ 3,815	$ 3,815		2,869
Secured Debt [Member] | Securitization Notes [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	[1]	3,921	3,921		3,015
Secured Debt [Member] | Term Loan A Facility [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt obligations, excluding capital leases, carrying amount	[2]	750	750		431
Secured Debt [Member] | Term Loan A Facility [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	[2]	751	751		428
Secured Debt [Member] | Term Loan B Facility [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt obligations, excluding capital leases, carrying amount	[2]	1,493	1,493		1,916
Secured Debt [Member] | Term Loan B Facility [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	[2]	1,495	1,495		1,907
Unsecured Debt [Member] | Subsidiary Senior Unsecured Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes, Noncurrent	[2]	750	750		1,800
Unsecured Debt [Member] | Subsidiary Senior Unsecured Notes [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	[2]	796	796		1,890
Unsecured Debt [Member] | YUM Senior Unsecured Notes [Member] [Domain]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes, Noncurrent	[2]	4,475	4,475		3,725
Unsecured Debt [Member] | YUM Senior Unsecured Notes [Member] [Domain] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	[2]	4,877	4,877		4,094
Prepaid Expenses and Other Current Assets [Member] | Foreign Exchange Forward [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Fair Value, Gross Asset		1	1		1
Other Assets [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure		85	85		45
Other Current Liabilities [Member] | Interest Rate Swap [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Fair Value, Gross Liability		44	44		28
Other Noncurrent Liabilities [Member] | Interest Rate Swap [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Fair Value, Gross Liability		$ 77	$ 77		$ 127

[1] 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.

[2] 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.