XML 98 R85.htm IDEA: XBRL DOCUMENT v3.24.1.u1

General Information - Additional Information (Detail) - shares	Jul. 02, 2001	May 29, 1999
Disclosure of general information [line items]
Number of additional shares issued	55,502,161	24,282,195
Government Owned shares [member]
Disclosure of general information [line items]
Number of additional shares issued		20,813,311

X

- Definition

The increase (decrease) in the number of ordinary shares issued. [Refer: Ordinary shares [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_IncreaseDecreaseInNumberOfOrdinarySharesIssued
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line item represents disclosure of general information.

+ References

No definition available.

+ Details

Name:	kt_DisclosureOfGeneralInformationLineItems
Namespace Prefix:	kt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	kt_ClassOfInstrumentAxis=kt_GovernmentOwnedSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: