Fair Value Measurements and Disclosures - Narrative (Details) - USD ($)	Mar. 31, 2023	Mar. 31, 2022
Fair Value Disclosures [Abstract]
Fair Value Equity Level 1 To Level 2 Transfer Amount	$ 0	$ 0
Fair Value Equity Level 2 To Level 1 Transfer Amount	$ 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