Fair Value Measurements and Disclosures - Narrative (Details) - USD ($)	Jun. 30, 2022	Jun. 30, 2021
Fair Value Disclosures [Abstract]
Transfer from Level 1 to Level 2	$ 0	$ 0
Transfer from Level 2 to Level 1	$ 0	$ 0

Fair value equity level 1 to level 2 transfer amount.

No definition available.

Name:	yumc_FairValueEquityLevel1ToLevel2TransferAmount
Namespace Prefix:	yumc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant