XML 71 R59.htm IDEA: XBRL DOCUMENT
v3.23.1

Investment Properties (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Text block [abstract] |
Summary of Investment Properties | Changes in investment properties for the years ended December 31, 2021 and 2022, are as follows:
( i n millions of Korean won) |  | 2021 |
| Land |  |  | Buildings |  |  | Construction- in-progress |  |  | Total |
Acquisition cost |  | ￦ | 539,903 |  |  | ￦ | 1,341,326 |  |  | ￦ | 46,547 |  |  | ￦ | 1,927,776 |
Less: Accumulated depreciation |  |  | (1,568 | ) |  |  | (557,755 | ) |  |  | — |  |  |  | (559,323 | )
Beginning, net |  | ￦ | 538,335 |  |  | ￦ | 783,571 |  |  | ￦ | 46,547 |  |  | ￦ | 1,368,453 |
Acquisition |  |  | 171,872 |  |  |  | 42,151 |  |  |  | 56,351 |  |  |  | 270,374 |
Disposal and termination |  |  | (17,133 | ) |  |  | (4,862 | ) |  |  | — |  |  |  | (21,995 | )
Depreciation |  |  | — |  |  |  | (47,754 | ) |  |  | — |  |  |  | (47,754 | )
Transfer from(to) property and equipment |  |  | 59,848 |  |  |  | 73,096 |  |  |  | — |  |  |  | 132,944 |
Changes in scope of consolidation |  |  | 5,262 |  |  |  | 1,779 |  |  |  | — |  |  |  | 7,041 |
Transfer and others |  |  | 55,579 |  |  |  | (7,891 | ) |  |  | (36,097 | ) |  |  | 11,591 |
Ending, net |  | ￦ | 813,763 |  |  | ￦ | 840,090 |  |  | ￦ | 66,801 |  |  | ￦ | 1,720,654 |
Acquisition cost |  | ￦ | 815,331 |  |  | ￦ | 1,424,066 |  |  | ￦ | 66,801 |  |  | ￦ | 2,306,198 |
Less: Accumulated depreciation |  |  | (1,568 | ) |  |  | (583,976 | ) |  |  | — |  |  |  | (585,544 | )
( i n millions of Korean won) |  | 2022 |
| Land |  |  | Buildings |  |  | Construction- in-progress |  |  | Total |
Acquisition cost |  | ￦ | 815,331 |  |  | ￦ | 1,424,066 |  |  | ￦ | 66,801 |  |  | ￦ | 2,306,198 |
Less: Accumulated depreciation |  |  | (1,568 | ) |  |  | (583,976 | ) |  |  | — |  |  |  | (585,544 | )
Beginning, net |  |  | 813,763 |  |  |  | 840,090 |  |  |  | 66,801 |  |  |  | 1,720,654 |
Acquisition |  |  | 14,569 |  |  |  | 17,351 |  |  |  | 55,478 |  |  |  | 87,398 |
Disposal and termination |  |  | (14,725 | ) |  |  | (5,858 | ) |  |  | (17 | ) |  |  | (20,600 | )
Depreciation |  |  | — |  |  |  | (47,004 | ) |  |  | — |  |  |  | (47,004 | )
Transfer from(to) property and equipment |  |  | 63,278 |  |  |  | 140,229 |  |  |  | 2,676 |  |  |  | 206,183 |
Changes in consolidation scope |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transfer and others |  |  | 2,907 |  |  |  | (28,350 | ) |  |  | 12,170 |  |  |  | (13,273 | )
Ending, net |  | ￦ | 879,792 |  |  | ￦ | 916,458 |  |  | ￦ | 137,108 |  |  | ￦ | 1,933,358 |
Acquisition cost |  | ￦ | 881,360 |  |  | ￦ | 1,577,736 |  |  | ￦ | 137,108 |  |  | ￦ | 2,596,204 |
Less: Accumulated depreciation |  |  | (1,568 | ) |  |  | (661,278 | ) |  |  | — |  |  |  | (662,846 | )
Summary of Investment Properties Provided as Collateral | Details of investment properties provided as collateral as at December 31, 2021 and 2022, are as follows:
( i n millions of Korean won) |  | December 31, 2021 |
|  | Carrying amount |  |  | Secured amount |  |  | Related account |  | Related amount |
Land and Buildings |  | ￦ | 828,103 |  |  | ￦ | 72,910 |  |  | Deposits |  | ￦ | 63,012 |
Land and Buildings |  | ￦ | 2,883 |  |  | ￦ | 3,688 |  |  | Borrowings |  | ￦ | 2,728 |
( i n millions of Korean won) |  | December 31, 2022 |
|  | Carrying amount |  |  | Secured amount |  |  | Related account |  | Related amount |
Land and Buildings |  | ￦ | 460,166 |  |  | ￦ | 61,733 |  |  | Deposits |  | ￦ | 52,662 |
Land and Buildings |  | ￦ | 2,546 |  |  | ￦ | 3,326 |  |  | Borrowings |  | ￦ | 2,772 |

X
- Definition The disclosure of detailed information about investment property. [Refer: Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2022-03-24 -Paragraph 32A -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2022-en-r&anchor=para_32A&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_DisclosureOfDetailedInformationAboutInvestmentPropertyExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of detailed information about investment property as collateral. + References No definition available. + Details
Name: | kt_DisclosureOfDetailedInformationAboutInvestmentPropertyAsCollateralExplanatory
Namespace Prefix: | kt_
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