Restricted net assets (Details) ¥ in Millions, $ in Millions |
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
|---|---|---|---|
| Restricted assets | |||
| Required percentage to allocate after tax profits to statutory reserve | 10.00% | 10.00% | |
| Percentage of loan principle balance allocate to statutory reserve | 1.50% | 1.50% | |
| Amounts restricted include paid-in capital and statutory reserve funds | ¥ 3,497 | $ 500 | ¥ 4,033 |
| Minimum | |||
| Restricted assets | |||
| Required percentage to allocate after tax profits to statutory reserve | 10.00% | 10.00% | |
| Maximum | |||
| Restricted assets | |||
| Required percentage to allocate after tax profits to statutory reserve | 50.00% | 50.00% |