Expenses by nature - Summary of Expense By Nature (Details) - CNY (¥) ¥ in Millions |
6 Months Ended | |
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Jun. 30, 2026 |
Jun. 30, 2025 |
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| Disclosure Expense By Nature [Abstract] | ||
| Service costs (note i) | ¥ 5,610 | ¥ 5,720 |
| Advertising agency fees | 581 | 603 |
| Employee benefits expenses (note ii) | 2,198 | 1,995 |
| Promotion and advertising expenses | ¥ 355 | ¥ 287 |
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Advertising agency fees. No definition available.
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- Definition Disclosure expense by nature. No definition available.
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