XML 88 R45.htm IDEA: XBRL DOCUMENT v3.23.1
Summary of significant accounting policies (Tables)
 12 Months Ended
Dec. 31, 2022
Summary of significant accounting policies  
Schedule of estimated useful lives of property, equipment and software
Category
   
Estimated useful lives
Electronic equipment
   
3-5
years
Office equipment
    5 years
Vehicles
   
3-6
years
Logistics, warehouse and other heavy equipment
   
5-10
years
Leasehold improvement
   
Over the shorter of the expected life of
leasehold improvements or the lease term
Software
   
3-5
years
Land
    Indefinite
Building
    40 years
Building improvement
   
5-10
years
Schedule of estimated useful lives of intangible assets
The estimated useful lives of major intangible assets are as follows:

 
Category
  
Estimated useful lives
Non-compete
   
5-8
years
Domain names and trademarks   
5-20
years
Customer relationship    3-10 years
Technology and others   
3-10
years