Fair Value Measurements and Disclosures - Schedule of Amounts Recognized From Non-recurring Fair Value Measurements (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration]		Closure And Impairment Income Expenses Net	Closure And Impairment Income Expenses Net	Closure And Impairment Income Expenses Net	Closure And Impairment Income Expenses Net
Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member] | Restaurant-level impairment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restaurant-level impairment	[1]	$ 7	$ 14	$ 7	$ 14

[1] Restaurant-level impairment charges are recorded in Closures and impairment expenses, net and resulted mainly from our semi-annual impairment evaluation of long-lived assets of individual restaurants that were being operated at the time of impairment and had not been offered for refranchising. After considering the impairment charges recorded during the corresponding periods, the fair value of such assets as of June 30, 2024 and 2023 was $22 million and $55 million, respectively.