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Investments in Subsidiaries - Additional Information (Detail) ¥ in Millions, $ in Millions |  | 1 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Nov. 30, 2022 CNY (¥) | Feb. 28, 2023 CNY (¥) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($) | Feb. 28, 2023 USD ($) | Dec. 31, 2022 CNY (¥)
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Cash and cash equivalents subject to local exchange control regulations |  |  | ¥ 4,934.6 | $ 694.7 |  | ¥ 3,713.3
Suzhou reman [member] |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Cash consideration |  |  | ¥ 34.0 | $ 241.7 |  |
Yuchai Xin-Lan [member] |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |
Cash consideration | ¥ 50.0 | ¥ 20.0 |  |  | $ 2.8 |
Percent of shareholding in subsidiary | 69.50% | 67.00% |  |  |  |

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- Definition The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2023-01-01 -Paragraph B64 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_f&doctype=Appendix&subtype=B -URIDate 2023-03-23 + Details
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- Definition The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph 19B -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2023-03-23 + Details
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