XML 100 R86.htm IDEA: XBRL DOCUMENT v3.21.1

Investment in Joint Ventures - Share of Results of Joint Ventures and Carrying Amount of Investment to Joint Ventures (Parenthetical) (Detail) - CNY (¥) ¥ in Thousands	1 Months Ended		12 Months Ended
	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2019
Disclosure of joint ventures [line items]
Additional investment in joint ventures			¥ 41,160
Eberspaecher Yuchai [member]
Disclosure of joint ventures [line items]
Additional investment in joint ventures	¥ 23,500	¥ 17,600

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfJointVenturesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The cash outflow for the purchase of interests in investments accounted for using the equity method. [Refer: Investments accounted for using equity method]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2020-01-01
-Paragraph 16
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_16&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=cyd_EberspaecherYuchaiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: