XML 179 R172.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Segment Information - Additional Information (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 CNY (¥) Segments | Dec. 31, 2017 USD ($) Segments | Dec. 31, 2016 CNY (¥) | Dec. 31, 2015 CNY (¥)
Disclosure of operating segments [Line Items] |  |  |  |
Number of reportable segments | 2 | 2 |  |
Revenue | ¥ 16,222,442 | $ 2,563,030 | ¥ 13,664,840 | ¥ 13,733,437
Customer One [Member] |  |  |  |
Disclosure of operating segments [Line Items] |  |  |  |
Revenue | ¥ 4,839,617 | $ 764,625 | ¥ 3,580,856 | ¥ 2,900,332

X
- Definition Number of reportable operating segments. + References No definition available. + Details
Name: | cyd_NumberOfReportableOperatingSegments
Namespace Prefix: | cyd_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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_DisclosureOfOperatingSegmentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The income arising in the course of an entity's ordinary activities. Income is increases in economic benefits during the accounting period in the form of inflows or enhancements of assets or decreases of liabilities that result in an increase in equity, other than those relating to contributions from equity participants. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2016-01-13 -Paragraph 28 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2016-03-30&anchor=para_28_a&doctype=Standard -URIDate 2016-03-31 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2016-01-13 -Paragraph 23 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2016-03-30&anchor=para_23_a&doctype=Standard -URIDate 2016-03-31 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2016-01-13 -Paragraph 32 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2016-03-30&anchor=para_32&doctype=Standard -URIDate 2016-03-31 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2016-01-13 -Paragraph 33 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2016-03-30&anchor=para_33_a&doctype=Standard -URIDate 2016-03-31 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2016-01-13 -Paragraph 34 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2016-03-30&anchor=para_34&doctype=Standard -URIDate 2016-03-31 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 82 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_82_a&doctype=Standard -URIDate 2016-03-31 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_103&doctype=Standard -URIDate 2016-03-31 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2018-01-01 -Name IAS -Number 18 -IssueDate 2016-01-13 -Paragraph 35 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=18&date=2016-03-30&anchor=para_35_b&doctype=Standard -URIDate 2016-03-31 Reference 9: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_102&doctype=Standard -URIDate 2016-03-31 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2016-01-13 -Paragraph B12 -Subparagraph b -Clause v -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2016-03-30&anchor=para_B12_b_v&doctype=Appendix&seq=2 -URIDate 2016-03-31 Reference 11: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2016-01-13 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2016-03-30&anchor=para_B10_b&doctype=Appendix&seq=2 -URIDate 2016-03-31 + Details
Name: | ifrs-full_Revenue
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_MajorCustomersAxis=cyd_CustomerOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |