Borrowings - Summary of detailed information about short term borrowings (Details) - CNY (¥) ¥ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Disclosure of detailed information about borrowings [line items] | ||
| RMB bank borrowings | ¥ 5,997 | ¥ 0 |
| RMB | ||
| Disclosure of detailed information about borrowings [line items] | ||
| RMB bank borrowings | 5,973 | ¥ 0 |
| RMB | Floating interest rate [member] | ||
| Disclosure of detailed information about borrowings [line items] | ||
| RMB bank borrowings | ¥ 5,973 | |
| RMB | Short-term borrowings [member] | Floating interest rate [member] | Minimum [Member] | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Borrowings, interest rate | 1.70% | |
| RMB | Short-term borrowings [member] | Floating interest rate [member] | Maximum [Member] | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Borrowings, interest rate | 2.30% |