Organization and principal activities - Additional Information (Details) $ in Thousands	Dec. 31, 2025 USD ($)
Organization and principal activities
Registered capital and PRC statutory reserves of the VIEs and VIE's subsidiaries	$ 771,016

Represents the amount of the consolidated variable interest entity's registered capital and PRC statutory reserves.

No definition available.

Name:	joyy_VariableInterestEntityConsolidatedRegisteredCapitalAndForeignStatutoryReserves
Namespace Prefix:	joyy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant