Other (Income) Expense (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Income and Expenses [Line Items]
Foreign currency transaction (gain) loss and other (income) expense, before tax	$ (1)	$ 1	$ 7
Closures and impairment (income) expenses	5	6	3
Other Operating Income (Expense), Net	$ (4)	$ (7)	$ (10)

Includes the net gain or loss on sales of real estate on which we formerly operated a Company restaurant that was closed, lease reserves established when we cease using a property under an operating lease and subsequent adjustments to those reserves and other facility-related expenses from previously closed stores; in addition, the charge against earnings resulting from the impairment of restaurants we anticipate continuing to operate as Company stores.

No definition available.

Name:	yum_ClosuresAndImpairmentExpenses
Namespace Prefix:	yum_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration