Parent company only condensed financial information - Interest in subsidiaries and amount due from subsidiaries (Details) - Parent company - CNY (¥) ¥ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest in subsidiaries
Equity investment in subsidiaries		¥ 1,764,074	¥ 1,280,946
Interest in subsidiaries	¥ 1,764,074	1,280,946
Amount due from subsidiaries
Loan receivables		¥ 1,641,677	¥ 2,662,705

The amount of investments in subsidiaries in an entity's separate financial statements. [Refer: Subsidiaries [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2022-03-24
-Paragraph 10
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_10&doctype=Standard
-URIDate 2022-03-24

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