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Intangible Assets - Goodwill - Carrying Amount of Goodwill Allocated (Detail) ¥ in Thousands, $ in Thousands	Dec. 31, 2023 CNY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 CNY (¥)
Yuchai manufacturing business [member]
Disclosure of reconciliation of changes in goodwill [line items]
Goodwill	¥ 212,636	$ 29,933	¥ 212,636

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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.

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- Definition

The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]]

+ References

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