v3.25.4
Business combinations - Additional information (Detail)
¥ in Millions, $ in Millions
Jul. 30, 2024
CNY (¥)
Apr. 02, 2024
HKD ($)
Apr. 02, 2024
CNY (¥)
Disclosure of detailed information about business combination [line items]      
Attributable equity interest to the Group 100.00% 100.00%  
Stock Purchase by Consideration in cash ¥ 70 $ 933 ¥ 846