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Related Party Disclosures - Significant Transactions with Related Parties (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥)
Disclosure of transactions between related parties [line items] |  |  |  |
Sales of an intangible asset to a joint venture | ¥ 101,390 | $ 14,273 | ¥ 0 | ¥ 0
Associates and joint ventures [member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Sales of engines and parts | 924,971 | 130,212 | 411,010 | 393,440
Purchase of parts, supplies and engines | 1,614,814 | 227,323 | 1,396,611 | 2,036,675
Joint ventures [member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Hospitality, restaurant, consultancy and other service income | 18,427 | 2,594 | 5,803 | 2,152
Service charge charged by | 2,094 | 295 | 128 | 5,023
Rental income | 3,834 | 540 | 4,634 | 4,415
Selling, general and administrative expenses | 0 | 0 | 0 | 2,530
Hong Leong Asia Limited and its affiliates [member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Selling, general and administrative expenses | 9,194 | 1,294 | 8,994 | 7,188
GY and its affiliates [member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Sales of engines and parts | 2,034,304 | 286,376 | 2,262,306 | 3,223,785
Purchase of parts, supplies and engines | 1,804,457 | 254,020 | 1,053,607 | 1,307,137
Hospitality, restaurant, consultancy and other service income | 18,023 | 2,537 | 10,398 | 6,609
Rental income | 12,227 | 1,721 | 580 | 275
Property management service expenses | 24,668 | 3,473 | 22,128 | 21,978
Selling, general and administrative expenses | 34,178 | 4,811 | 30,151 | 9,315
Delivery, storage, distribution and handling expenses | 212,566 | 29,924 | 201,669 | 300,699
Payments For Lease Liabilities | 19,615 | 2,761 | 19,802 | 17,215
Purchases of vehicles and machineries | ¥ 0 | $ 0 | ¥ 2,513 | ¥ 3,460

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- Definition General and administrative expenses charged by the entity in related party transactions. + References No definition available. + Details
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- Definition Payment for lease liabilities. + References No definition available. + Details
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- Definition Property management service charged by related party transactions. + References No definition available. + Details
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- Definition Storage and distribution expenses charged by related party transactions. + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The decrease in intangible assets other than goodwill resulting from disposals. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_ii&doctype=Standard -URIDate 2023-03-23 + Details
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