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Revenue from Contracts with Customers - Summary of Disaggregation of Group's Revenue from Contracts with Customers (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 CNY (¥)
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | ¥ 19,133,575 | $ 2,667,146 | ¥ 18,046,349 | ¥ 16,030,636
At a point in time [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 19,004,847 | 2,649,202 | 17,967,452 | 15,957,941
Over time [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 128,728 | 17,944 | 78,897 | 72,695
People's Republic of China [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 18,826,436 | 2,624,332 | 17,877,450 | 15,886,210
Other countries [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 307,139 | 42,814 | 168,899 | 144,426
Heavy-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 6,417,484 | 894,572 | 5,552,544 | 5,061,991
Medium-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 5,201,611 | 725,084 | 5,696,186 | 5,066,622
Light-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 2,258,692 | 314,853 | 1,621,538 | 1,910,923
Other Products And Services [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 5,167,292 | 720,301 | 5,089,223 | 3,910,879
Revenue from hospitality operations [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 88,496 | $ 12,336 | 86,858 | 80,221
Yuchai segment [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 19,102,797 |  | 18,015,280 | 15,997,766
Yuchai segment [member] | At a point in time [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 18,996,587 |  | 17,959,337 | 15,950,239
Yuchai segment [member] | Over time [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 106,210 |  | 55,943 | 47,527
Yuchai segment [member] | People's Republic of China [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 18,826,436 |  | 17,877,450 | 15,886,210
Yuchai segment [member] | Other countries [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 276,361 |  | 137,830 | 111,556
Yuchai segment [member] | Heavy-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 6,417,484 |  | 5,552,544 | 5,061,991
Yuchai segment [member] | Medium-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 5,201,611 |  | 5,696,186 | 5,066,622
Yuchai segment [member] | Light-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 2,258,692 |  | 1,621,538 | 1,910,923
Yuchai segment [member] | Other Products And Services [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 5,167,136 |  | 5,089,069 | 3,910,703
Yuchai segment [member] | Revenue from hospitality operations [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 57,874 |  | 55,943 | 47,527
HL Global Enterprises Limited segment [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 30,778 |  | 31,069 | 32,870
HL Global Enterprises Limited segment [member] | At a point in time [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 8,260 |  | 8,115 | 7,702
HL Global Enterprises Limited segment [member] | Over time [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 22,518 |  | 22,954 | 25,168
HL Global Enterprises Limited segment [member] | People's Republic of China [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 0 |  |  |
HL Global Enterprises Limited segment [member] | Other countries [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 30,778 |  | 31,069 | 32,870
HL Global Enterprises Limited segment [member] | Heavy-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 0 |  | 0 |
HL Global Enterprises Limited segment [member] | Medium-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 0 |  | 0 |
HL Global Enterprises Limited segment [member] | Light-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 0 |  | 0 |
HL Global Enterprises Limited segment [member] | Other Products And Services [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 156 |  | 154 | 176
HL Global Enterprises Limited segment [member] | Revenue from hospitality operations [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | ¥ 30,622 |  | ¥ 30,915 | ¥ 32,694

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- Definition The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2024-01-01 -Paragraph 114 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2024-en-r&anchor=para_114&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2024-01-01 -Paragraph 113 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2024-en-r&anchor=para_113_a&doctype=Standard -URIDate 2024-03-27 + Details
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