XML 125 R103.htm IDEA: XBRL DOCUMENT v3.26.1

COMMITMENTS AND CONTINGENCIES (Details) - Property management commitments ¥ in Thousands	Dec. 31, 2025 CNY (¥)
COMMITMENTS AND CONTINGENCIES
Property management commitments, Less than 1 year	¥ 63,556
Property management commitments, 1-5 years	97,347
Property management commitments, More than 5 years	26,721
Property management commitments	¥ 187,624

X

- Definition

Amount of commitment classified as other to be paid through after fifth fiscal year following current fiscal year.

+ References

No definition available.

+ Details

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Namespace Prefix:	cha_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of commitment classified as other to be paid in second through fifth fiscal year following current fiscal year.

+ References

No definition available.

+ Details

Name:	cha_OtherCommitmentToBePaidAfterYearOneThroughFive
Namespace Prefix:	cha_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of commitment classified as other to be paid within one year following current fiscal year.

+ References

No definition available.

+ Details

Name:	cha_OtherCommitmentToBePaidWithinOneYear
Namespace Prefix:	cha_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

+ Details

Name:	us-gaap_OtherCommitment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_OtherCommitmentsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_OtherCommitmentsAxis=cha_PropertyManagementCommitmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: