XML 161 R154.htm IDEA: XBRL DOCUMENT v3.8.0.1

Share-based Payment - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2017 USD ($) yr	Dec. 31, 2016 USD ($) yr
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Equity incentive plan period	10 years
Exercise price for options outstanding | $	$ 21.11	$ 21.11
Weighted average remaining contractual life for the share options outstanding | yr	6.6	7.6
One year after the date of grant [Member] | Top of range [Member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Share-based payment vesting percentage	33.00%
Two years after the date of grant [Member] | Top of range [Member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Share-based payment vesting percentage	66.00%
Three years after the date of grant [Member] | Top of range [Member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Share-based payment vesting percentage	100.00%

X

- Definition

Equity incentive plan period.

+ References

No definition available.

+ Details

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Namespace Prefix:	cyd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share-based payment arrangement vesting rights percentage.

+ References

No definition available.

+ Details

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Namespace Prefix:	cyd_
Data Type:	num:percentItemType
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

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Data Type:	xbrli:stringItemType
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X

- Definition

The exercise price of outstanding share options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2016-01-13
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2016-03-30&anchor=para_45_d&doctype=Standard
-URIDate 2016-03-31

+ Details

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Namespace Prefix:	ifrs-full_
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Balance Type:	na
Period Type:	instant

X

- Definition

The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2016-01-13
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2016-03-30&anchor=para_45_d&doctype=Standard
-URIDate 2016-03-31

+ Details

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Period Type:	instant

X

- Details

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Namespace Prefix:
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X

- Details

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X

- Details

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X

- Details

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