XML 35 R23.htm IDEA: XBRL DOCUMENT
v3.23.1

Provisions | 12 Months Ended
--- | ---
Dec. 31, 2022
Text block [abstract] |
Provisions |
17. | Provisions
Changes in provisions for the years ended December 31, 2021 and 2022, are as follows:
|  | 2021 |
( i n millions of Korean won) |  | Litigation |  |  | Restoration cost |  |  | Others |  |  | Total |
Beginning balance |  | ￦ | 76,500 |  |  | ￦ | 105,767 |  |  | ￦ | 69,925 |  |  | ￦ | 252,192 |
Increase (Transfer) |  |  | 6,288 |  |  |  | 6,772 |  |  |  | 19,835 |  |  |  | 32,895 |
Usage |  |  | (2,599 | ) |  |  | (2,776 | ) |  |  | (1,926 | ) |  |  | (7,301 | )
Reversal |  |  | (24 | ) |  |  | (3,685 | ) |  |  | (19,188 | ) |  |  | (22,897 | )
Scope change |  |  | — |  |  |  | 1,086 |  |  |  | 1,228 |  |  |  | 2,314 |
Others |  |  | — |  |  |  | 194 |  |  |  | — |  |  |  | 194 |
Ending balance |  | ￦ | 80,165 |  |  | ￦ | 107,358 |  |  | ￦ | 69,874 |  |  | ￦ | 257,397 |
Current |  | ￦ | 79,947 |  |  | ￦ | 26,026 |  |  | ￦ | 65,343 |  |  | ￦ | 171,316 |
Non-current |  |  | 218 |  |  |  | 81,332 |  |  |  | 4,531 |  |  |  | 86,081 |
|  | 2022 |
( i n millions of Korean won) |  | Litigation |  |  | Restoration cost |  |  | Others |  |  | Total |
Beginning balance |  | ￦ | 80,165 |  |  | ￦ | 107,358 |  |  | ￦ | 69,874 |  |  | ￦ | 257,397 |
Increase (Transfer) |  |  | 6,005 |  |  |  | 13,027 |  |  |  | 5,847 |  |  |  | 24,879 |
Usage |  |  | (6,155 | ) |  |  | (8,143 | ) |  |  | (15,783 | ) |  |  | (30,081 | )
Reversal |  |  | (43,686 | ) |  |  | (3,685 | ) |  |  | (4,418 | ) |  |  | (51,789 | )
Others |  |  | — |  |  |  | 405 |  |  |  | (445 | ) |  |  | (40 | )
Ending balance |  | ￦ | 36,329 |  |  | ￦ | 108,962 |  |  | ￦ | 55,075 |  |  | ￦ | 200,366 |
Current |  | ￦ | 34,730 |  |  | ￦ | 19,918 |  |  | ￦ | 54,485 |  |  | ￦ | 109,133 |
Non-current |  |  | 1,599 |  |  |  | 89,044 |  |  |  | 590 |  |  |  | 91,233 |

X
- Definition The disclosure of provisions. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 10 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_10_e&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_DisclosureOfProvisionsExplanatory
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