XML 127 R116.htm IDEA: XBRL DOCUMENT v3.25.1

Property, Plant and Equipment - Summary of Property, Plant and Equipment (Parenthetical) (Detail) ¥ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 CNY (¥)
Disclosure of detailed information about property, plant and equipment [abstract]
Depreciation capitalized as development costs	¥ 19.2	$ 2.7	¥ 16.6
Depreciation capitalized as contract assets	¥ 1.4	$ 0.2	¥ 2.2

X

- Definition

Depreciation capitalised as contract assets.

+ References

No definition available.

+ Details

Name:	ck0000932695_DepreciationCapitalisedAsContractAssets
Namespace Prefix:	ck0000932695_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Depreciation capitalized as development costs.

+ References

No definition available.

+ Details

Name:	ck0000932695_DepreciationCapitalizedAsDevelopmentCosts
Namespace Prefix:	ck0000932695_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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