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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, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥)
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | ¥ 21,265,930 | $ 3,363,691 | ¥ 20,581,170 | ¥ 18,016,085
At a point in time [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 21,218,785 | 3,356,234 | 20,518,030 | 17,935,600
Over time [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 47,145 | 7,457 | 63,140 | 80,485
People's Republic of China [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 21,206,280 | 3,354,256 | 20,504,288 | 17,913,615
Other countries [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 59,650 | 9,435 | 76,882 | 102,470
Heavy-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 7,410,771 | 1,172,182 | 6,725,312 | 6,189,934
Medium-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 7,065,283 | 1,117,535 | 6,626,629 | 5,583,982
Light-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 2,429,745 | 384,320 | 2,356,168 | 2,429,248
Other Products And Services [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 4,304,995 | 680,933 | 4,809,921 | 3,732,436
Revenue from hospitality operations [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 55,136 | $ 8,721 | 63,140 | 80,485
Yuchai segment [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 21,254,134 |  | 20,557,660 | 17,980,304
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 | 21,210,718 |  | 20,518,030 | 17,935,600
Yuchai segment [member] | Over time [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 43,416 |  | 39,630 | 44,704
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 | 21,206,280 |  | 20,504,288 | 17,913,615
Yuchai segment [member] | Other countries [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 47,854 |  | 53,372 | 66,689
Yuchai segment [member] | Heavy-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 7,410,771 |  | 6,725,312 | 6,189,934
Yuchai segment [member] | Medium-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 7,065,283 |  | 6,626,629 | 5,583,982
Yuchai segment [member] | Light-duty engines [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 2,429,745 |  | 2,356,168 | 2,429,248
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 | 4,304,918 |  | 4,809,921 | 3,732,436
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 | 43,417 |  | 39,630 | 44,704
HL Global Enterprises Limited segment [member] |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |
Total revenue from contracts with customers | 11,796 |  | 23,510 | 35,781
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 | 8,067 |  |  |
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 | 3,729 |  | 23,510 | 35,781
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 | 11,796 |  | 23,510 | 35,781
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 | 77 |  |  |
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 | ¥ 11,719 |  | ¥ 23,510 | ¥ 35,781

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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 2021-01-01 -Paragraph 113 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_113_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Paragraph 114 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_114&doctype=Standard -URIDate 2021-03-24 + Details
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