Share Based Compensation - Summary of Assumptions Used to Determine Fair value of Share Options (Details) - Share Incentive Plans - CNY (¥) ¥ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Disclosure Of Share Based Compensation [Line Items] | ||
| Risk free interest rate | 4.17% | 4.65% |
| Expected dividend yield | 1.50% | 0.13% |
| Expected volatility range | 55.00% | 60.00% |
| Contractual life | 10 years | 10 years |
| Bottom of range [Member] | ||
| Disclosure Of Share Based Compensation [Line Items] | ||
| Exercise multiples | ¥ 2.2 | ¥ 2.2 |
| Top of range [Member] | ||
| Disclosure Of Share Based Compensation [Line Items] | ||
| Exercise multiples | ¥ 2.8 | ¥ 2.8 |