XML 79 R66.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Share Capital (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Text block [abstract] |
Summary of Share Capital | As of December 31, 2022 and 2023, the Group has 1,000,000,000 shares authorized to issue and details are as follows:
|  | December 31, 2022 |  |  | December 31, 2023 |
|  | Number of issued shares |  |  | Par value per share (Korean won) |  |  | Ordinary Shares (in millions of Korean won) |  |  | Number of issued shares |  |  | Par value per share (Korean won) |  |  | Ordinary Shares (in millions of Korean won) |
Ordinary shares 1 |  |  | 261,111,808 |  |  |  | ￦ 5,000 |  |  |  | ￦ 1,564,499 |  |  |  | 257,860,760 |  |  |  | ￦ 5,000 |  |  |  | ￦ 1,564,499 |
| 1 | The Group retired 55,039,007 treasury shares against retained earnings. Based on the local regulations in Korea, upon retirement of shares, the Company has decreased the number of shares issued but has not decreased the ordinary shares capital .

X
- Definition The disclosure of classes of share capital. [Refer: Share capital [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 79 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_79_a&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Text block [abstract] + References No definition available. + Details
Name: | kt_TextBlockAbstract
Namespace Prefix: | kt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration