XML 48 R35.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Deferred Income Tax and income Tax Expense | 12 Months Ended
--- | ---
Dec. 31, 2023
Text block [abstract] |
Deferred Income Tax and income Tax Expense |
29. | Deferred Income Tax and income Tax Expense
| (1) | The analysis of deferred tax assets and deferred tax liabilities as at December 31, 2022 and 2023, is as follows:
(in millions of Korean won) |  | December 31, 2022 |  |  | December 31, 2023 |
Deferred tax assets |  |  |  |  |  |  |  |
Deferred tax assets to be recovered within 12 months |  | ￦ | 398,710 |  |  | ￦ | 404,234 |
Deferred tax assets to be recovered after more than 12 months |  |  | 1,907,690 |  |  |  | 1,824,099 |
Deferred tax assets before offsetting |  |  | 2,306,400 |  |  |  | 2,228,333 |
Deferred tax liabilities |  |  |  |  |  |  |  |
Deferred tax liabilities to be recovered within 12 months |  |  | (586,522 | ) |  |  | (491,817 | )
Deferred tax liabilities to be recovered after more than 12 months |  |  | (2,108,438 | ) |  |  | (2,116,346 | )
Deferred tax liabilities before offsetting |  |  | (2,694,960 | ) |  |  | (2,608,163 | )
Deferred tax assets after offsetting |  | ￦ | 579,090 |  |  | ￦ | 614,500 |
Deferred tax liabilities after offsetting |  | ￦ | 967,650 |  |  | ￦ | 994,330 |
| (2) | The movement in deferred income tax assets and liabilities during the year, without taking into consideration the offsetting of balances within the same tax jurisdiction, is as follows:
(in millions of Korean won) |  | 2022 |
|  | Beginning |  |  | Statement of profit or loss |  |  | Other comprehensive income |  |  | Ending |
Deferred tax liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in subsidiaries, associates and joint ventures |  |  | (240,633 | ) |  |  | (18,299 | ) |  |  | 3,748 |  |  |  | (255,184 | )
Depreciation and impairment loss |  |  | (88,588 | ) |  |  | (62,845 | ) |  |  | — |  |  |  | (151,433 | )
Plan assets |  |  | (538,928 | ) |  |  | (5,294 | ) |  |  | 1,322 |  |  |  | (542,900 | )
Advanced depreciation provision |  |  | (339,005 | ) |  |  | (182,934 | ) |  |  | — |  |  |  | (521,939 | )
Contract assets |  |  | (493,917 | ) |  |  | 69,615 |  |  |  | — |  |  |  | (424,302 | )
Financial assets at fair value through profit or loss |  |  | (336 | ) |  |  | (73 | ) |  |  | (11 | ) |  |  | (420 | )
Financial assets at fair value through other comprehensive income |  |  | (47,521 | ) |  |  | (71,396 | ) |  |  | 58,288 |  |  |  | (60,629 | )
Others |  |  | (623,744 | ) |  |  | (111,135 | ) |  |  | (3,274 | ) |  |  | (738,153 | )
Total |  | ￦ | (2,372,672 | ) |  | ￦ | (382,361 | ) |  | ￦ | 60,073 |  |  | ￦ | (2,694,960 | )
Deferred tax assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and impairment loss |  |  | 225,821 |  |  |  | (36,989 | ) |  |  | — |  |  |  | 188,832 |
Contract liabilities |  |  | 148,454 |  |  |  | (27,165 | ) |  |  | — |  |  |  | 121,289 |
Defined benefit liabilities |  |  | 571,336 |  |  |  | (22,423 | ) |  |  | (67,055 | ) |  |  | 481,858 |
Provisions |  |  | 172,871 |  |  |  | (20,894 | ) |  |  | (22 | ) |  |  | 151,955 |
Others |  |  | 899,543 |  |  |  | 351,317 |  |  |  | 8,635 |  |  |  | 1,259,495 |
Total |  | ￦ | 2,018,025 |  |  | ￦ | 243,846 |  |  | ￦ | (58,442 | ) |  | ￦ | 2,203,429 |
Temporary difference, net |  |  | (354,647 | ) |  |  | (138,515 | ) |  |  | 1,631 |  |  |  | (491,531 | )
Tax credit carryforwards |  |  | 134,417 |  |  |  | (31,446 | ) |  |  | — |  |  |  | 102,971 |
Total net balance |  | ￦ | (220,230 | ) |  | ￦ | (169,961 | ) |  | ￦ | 1,631 |  |  | ￦ | (388,560 | )
(in millions of Korean won) |  | 2023 |
|  | Beginning |  |  | Statement of profit or loss |  |  | Other comprehensive income |  |  | Ending |
Deferred tax liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in subsidiaries, associates and joint ventures |  |  | (255,184 | ) |  |  | (7,821 | ) |  |  | (7,225 | ) |  |  | (270,230 | )
Depreciation and impairment loss |  |  | (151,433 | ) |  |  | 39,309 |  |  |  | — |  |  |  | (112,124 | )
Plan assets |  |  | (542,900 | ) |  |  | 8,367 |  |  |  | 826 |  |  |  | (533,707 | )
Advanced depreciation provision |  |  | (521,939 | ) |  |  | 3,859 |  |  |  | — |  |  |  | (518,080 | )
Contract assets |  |  | (424,302 | ) |  |  | 2,478 |  |  |  | — |  |  |  | (421,824 | )
Financial assets at fair value through profit or loss |  |  | (420 | ) |  |  | 461 |  |  |  | 43 |  |  |  | 84 |
Financial assets at fair value through other comprehensive income |  |  | (60,629 | ) |  |  | (53 | ) |  |  | (41,945 | ) |  |  | (102,627 | )
Others |  |  | (738,153 | ) |  |  | 90,876 |  |  |  | (2,378 | ) |  |  | (649,655 | )
Total |  | ￦ | (2,694,960 | ) |  | ￦ | 137,476 |  |  | ￦ | (50,679 | ) |  | ￦ | (2,608,163 | )
Deferred tax assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and impairment loss |  |  | 188,832 |  |  |  | (71,689 | ) |  |  | (397 | ) |  |  | 116,746 |
Contract liabilities |  |  | 121,289 |  |  |  | (9,311 | ) |  |  | — |  |  |  | 111,978 |
Defined benefit liabilities |  |  | 481,858 |  |  |  | (6,705 | ) |  |  | 40,838 |  |  |  | 515,991 |
Provisions |  |  | 151,955 |  |  |  | (5,784 | ) |  |  | — |  |  |  | 146,171 |
Others |  |  | 1,259,495 |  |  |  | (53,459 | ) |  |  | 2,141 |  |  |  | 1,208,177 |
Total |  | ￦ | 2,203,429 |  |  | ￦ | (146,948 | ) |  | ￦ | 42,582 |  |  | ￦ | 2,099,063 |
Temporary difference, net |  |  | (491,531 | ) |  |  | (9,472 | ) |  |  | (8,097 | ) |  |  | (509,100 | )
Tax credit carryforwards |  |  | 102,971 |  |  |  | 26,299 |  |  |  | — |  |  |  | 129,270 |
Total net balance |  | ￦ | (388,560 | ) |  | ￦ | 16,827 |  |  | ￦ | (8,097 | ) |  | ￦ | (379,830 | )
| (3) | The tax impacts recognized directly to equity as of December 31, 2021, 2022, and 2023, are as follows:
|  | December 31, 2021 |  |  | December 31, 2022 |  |  | December 31, 2023 |
(in millions of Korean won) |  | Before recognition |  |  | Tax effect |  |  | After recognition |  |  | Before recognition |  |  | Tax effect |  |  | After recognition |  |  | Before recognition |  |  | Tax effect |  |  | After recognition |
Gain (loss) on valuation of financial assets at fair value through other comprehensive income |  | ￦ | 163,892 |  |  | ￦ | (34,112 | ) |  | ￦ | 129,780 |  |  | ￦ | (216,862 | ) |  | ￦ | 58,288 |  |  | ￦ | (158,574 | ) |  | ￦ | 163,750 |  |  | ￦ | (41,945 | ) |  | ￦ | 121,805 |
Gain (loss) on valuation of hedge instruments |  |  | 6,916 |  |  |  | (1,644 | ) |  |  | 5,272 |  |  |  | (42,510 | ) |  |  | 11,180 |  |  |  | (31,330 | ) |  |  | (30,168 | ) |  |  | 7,555 |  |  |  | (22,613 | )
Remeasurements of net defined benefit liabilities |  |  | 74,518 |  |  |  | (18,696 | ) |  |  | 55,822 |  |  |  | 247,162 |  |  |  | (65,733 | ) |  |  | 181,429 |  |  |  | (179,129 | ) |  |  | 41,664 |  |  |  | (137,465 | )
Share of gain (loss) of associates and joint ventures, and others |  |  | (34,909 | ) |  |  | 9,097 |  |  |  | (25,812 | ) |  |  | (14,931 | ) |  |  | 3,748 |  |  |  | (11,183 | ) |  |  | 28,715 |  |  |  | (7,225 | ) |  |  | 21,490 |
Exchange differences on translation for foreign operations |  |  | 683 |  |  |  | (178 | ) |  |  | 505 |  |  |  | 23,316 |  |  |  | (5,852 | ) |  |  | 17,464 |  |  |  | 32,376 |  |  |  | (8,146 | ) |  |  | 24,230 |
Gain or loss on disposal of treasury stock |  |  | (15,657 | ) |  |  | 4,080 |  |  |  | (11,577 | ) |  |  | (59,308 | ) |  |  | 14,886 |  |  |  | (44,422 | ) |  |  | 402 |  |  |  | (101 | ) |  |  | 301 |
Total |  | ￦ | 195,443 |  |  | ￦ | (41,453 | ) |  | ￦ | 153,990 |  |  | ￦ | (63,133 | ) |  | ￦ | 16,517 |  |  | ￦ | (46,616 | ) |  | ￦ | 15,946 |  |  | ￦ | (8,198) |  |  | ￦ | 7,748 |
| (4) | Details of income tax expense for the years ended December 31, 2021, 2022 and 2023, are calculated as follows:
(in millions of Korean won) |  | 2021 |  |  | 2022 |  |  | 2023 |
Current income tax expense |  | ￦ | 289,471 |  |  | ￦ | 335,796 |  |  | ￦ | 347,265 |
Impact of change in deferred taxes |  |  | 229,545 |  |  |  | 169,961 |  |  |  | (16,827 | )
Income tax expense |  | ￦ | 519,016 |  |  | ￦ | 505,757 |  |  | ￦ | 330,438 |
| (5) | The tax on the Group’s profit before tax differs from the theoretical amount that would arise using the weighted average tax rate applicable to profits of the entities as follows:
(in millions of Korean won) |  | 2021 |  |  | 2022 |  |  | 2023 |
Profit before income tax expense |  | ￦ | 1,978,411 |  |  | ￦ | 1,891,392 |  |  | ￦ | 1,302,620 |
Statutory income tax expense |  | ￦ | 533,701 |  |  | ￦ | 509,771 |  |  | ￦ | 333,530 |
Tax effect |  |  |  |  |  |  |  |  |  |  |  |
Income not taxable for taxation purposes |  |  | (4,307 | ) |  |  | (47,550 | ) |  |  | (30,106 | )
Non-deductible expenses |  |  | 20,570 |  |  |  | 53,398 |  |  |  | 26,723 |
Tax credit |  |  | (31,517 | ) |  |  | (54,895 | ) |  |  | (78,459 | )
Additional payment of income taxes |  |  | (221 | ) |  |  | 11,744 |  |  |  | (4,991 | )
Adjustments in deferred tax from changes in tax rate |  |  | — |  |  |  | (41,545 | ) |  |  | 564 |
Tax effect and adjustment on consolidation |  |  |  |  |  |  |  |  |  |  |  |
Goodwill impairment |  |  | — |  |  |  | 5,809 |  |  |  | 106,010 |
Eliminated dividend income form subsidiaries |  |  | 7,264 |  |  |  | — |  |  |  | — |
Changes of out-side tax effect |  |  | 4,738 |  |  |  | 29,922 |  |  |  | 4,436 |
Intangible Asset impairment and amortization |  |  | 796 |  |  |  | 5,276 |  |  |  | 5,892 |
Reversal expenses of contract cost assets |  |  | (2,932 | ) |  |  | (4,800 | ) |  |  | 9,281 |
Acquisition and disposition of businesses |  |  | (5,128 | ) |  |  | — |  |  |  | — |
Others |  |  | (3,948 | ) |  |  | 38,627 |  |  |  | (42,442 | )
Income tax expense |  | ￦ | 519,016 |  |  | ￦ | 505,757 |  |  | ￦ | 330,438 |
| (6) | Details of deferred tax assets and liabilities that are not recognized as at December 31, 2022 and 2023, are as follows:
(in millions of Korean won) |  | 2022 |  |  | 2023 |
Deductible temporary differences |  |  |  |  |  |  |  |
Investment in subsidiaries, associates, and joint ventures |  | ￦ | 3,384,295 |  |  | ￦ | 3,520,173 |
Unused tax loss |  |  | 103,326 |  |  |  | 203,200 |
Unused Tax credit |  |  | 1,988 |  |  |  | 2,338 |
Others |  |  | 387,084 |  |  |  | 437,238 |
Total |  | ￦ | 3,876,693 |  |  | ￦ | 4,162,949 |
Taxable temporary differences |  |  |  |  |  |  |  |
Investment in subsidiaries, associates, and joint ventures |  | ￦ | 857,076 |  |  | ￦ | 903,394 |
Others |  |  | 216,660 |  |  |  | 211,201 |
Total |  | ￦ | 1,073,736 |  |  | ￦ | 1,114,595 |
| (7) | The expected period of expiry for unused tax losses not recognized in deferred tax assets as of December 31, 2022 and 2023, is as follows:
(in millions of Korean won) |  | 2022 |  |  | 2023 |
2023 |  | ￦ | 72,512 |  |  | ￦ | 4,484 |
2024 |  |  | 5,011 |  |  |  | 2,836 |
2025 |  |  | 3,701 |  |  |  | 2,086 |
2026 |  |  | 2,112 |  |  |  | 4,541 |
2027 |  |  | 2,534 |  |  |  | 2,473 |
2028 |  |  | 396 |  |  |  | 6,533 |
2029 |  |  | 617 |  |  |  | 743 |
2030 |  |  | 2,198 |  |  |  | 713 |
2031 |  |  | 1,360 |  |  |  | 756 |
2032 |  |  | 7,450 |  |  |  | — |
Atter 2033 |  |  | 5,435 |  |  |  | 178,035 |
Total |  | ￦ | 103,326 |  |  | ￦ | 203,200 |

X
- Definition The disclosure of deferred taxes. [Refer: Deferred tax liabilities; Deferred tax assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 10 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_10_e&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_DisclosureOfDeferredTaxesExplanatory
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