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v3.25.1

Taxation - Income taxes (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 HKD ($) | Dec. 31, 2023 HKD ($) | Dec. 31, 2022 HKD ($) | Dec. 31, 2024 CNY (¥)
Income taxes |  |  |  |  |
Income tax rate (as a percent) |  | 25.00% | 25.00% | 25.00% |
Reconciliation of the differences between the statutory income tax rate and the Group's effective income tax rate |  |  |  |  |
Statutory income tax rate |  | 25.00% | 25.00% | 25.00% |
Permanent differences |  | 5.30% | (1.33%) | 6.74% |
Tax rate difference from statutory rate in other jurisdictions | [1] | (7.80%) | (2.96%) | (3.19%) |
Tax effect of preferential tax treatments |  | (9.49%) | (4.73%) | (8.91%) |
Withholding tax |  | (1.29%) | (0.47%) | (0.25%) |
Change in valuation allowance |  | (9.11%) | (17.17%) | (20.79%) |
Effective income tax rate |  | 2.61% | (1.66%) | (1.40%) |
Operating loss carryforwards |  |  |  |  |
Net operating tax loss carry forwards |  |  |  |  | ¥ 20,882,606,000
Loss expiring in 2025 |  |  |  |  |
Operating loss carryforwards |  |  |  |  |
Net operating tax loss carry forwards |  |  |  |  | 138,823,000
Loss expiring in 2026 |  |  |  |  |
Operating loss carryforwards |  |  |  |  |
Net operating tax loss carry forwards |  |  |  |  | 482,108,000
Loss expiring in 2027 |  |  |  |  |
Operating loss carryforwards |  |  |  |  |
Net operating tax loss carry forwards |  |  |  |  | 878,056,000
Loss expiring in 2028 |  |  |  |  |
Operating loss carryforwards |  |  |  |  |
Net operating tax loss carry forwards |  |  |  |  | 896,797,000
Loss expiring in 2029 and thereafter |  |  |  |  |
Operating loss carryforwards |  |  |  |  |
Net operating tax loss carry forwards |  |  |  |  | 18,486,822,000
Cayman Islands |  |  |  |  |
Income taxes |  |  |  |  |
Withholding tax amount |  |  |  |  | ¥ 0
Hong Kong, China |  |  |  |  |
Income taxes |  |  |  |  |
Statutory income tax rate below threshold amount |  | 8.25% | 8.25% | 8.25% |
Ceiling limit of profit to estimate tax rate | $ |  | $ 2 | $ 2 | $ 2 |
Income tax rate (as a percent) |  | 16.50% | 16.50% | 16.50% |
Reconciliation of the differences between the statutory income tax rate and the Group's effective income tax rate |  |  |  |  |
Statutory income tax rate |  | 16.50% | 16.50% | 16.50% |
Mainland, China |  |  |  |  |
Income taxes |  |  |  |  |
Income tax rate (as a percent) |  | 25.00% |  |  |
Reconciliation of the differences between the statutory income tax rate and the Group's effective income tax rate |  |  |  |  |
Statutory income tax rate |  | 25.00% |  |  |
Mainland, China | Certain subsidiaries | Encouraged Enterprises [Member] |  |  |  |  |
Income taxes |  |  |  |  |
Preferential income tax rate |  | 15.00% |  |  |
[1] | It is primarily due to the tax effect of the Company as a tax-exempt entity incorporated in Hong Kong and the Cayman Islands.

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