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v3.21.1

Investment in Joint Ventures - Interest in Joint Ventures (Detail) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
HL Heritage Sdn. Bhd. [Member] |  |
Disclosure of joint ventures [line items] |  |
Principal activities | Property development and property investment holdings |
Place of incorporation | Malaysia |
Percentage of interest held | 30.10% | 30.10%
Shanghai Hengshan Equatorial Hotel Management Co., Ltd. [member] |  |
Disclosure of joint ventures [line items] |  |
Principal activities | Hotel and property management |
Place of incorporation | People’s Republic of China |
Percentage of interest held | 24.60% | 24.60%
Y & C Engine Co., Ltd. [Member] |  |
Disclosure of joint ventures [line items] |  |
Principal activities | Manufacture and sale of heavy duty diesel engines, spare parts and after-sales services |
Place of incorporation | People’s Republic of China |
Percentage of interest held | 34.40% | 34.40%
Guangxi Yineng IOT Science & Technology Co., Ltd. [Member] |  |
Disclosure of joint ventures [line items] |  |
Principal activities | Design, development, management and marketing of an electronic operations management platform |
Place of incorporation | People’s Republic of China |
Percentage of interest held | 15.30% | 15.30%
MTU Yuchai Power Co., Ltd [member] |  |
Disclosure of joint ventures [line items] |  |
Principal activities | Manufacture off-road diesel engines |
Place of incorporation | People’s Republic of China |
Percentage of interest held | 38.20% | 38.20%
Eberspaecher Yuchai Exhaust Technology Co Ltd [member] |  |
Disclosure of joint ventures [line items] |  |
Principal activities | Application development, production, sales and service on engine exhaust control systems |
Place of incorporation | People’s Republic of China |
Percentage of interest held | 37.40% | 37.40%

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- Definition The proportion of the voting rights in a joint venture held by the entity. [Refer: Joint ventures [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2020-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2020-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2020-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2020-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph 21 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2020-01-01 + Details
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