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Investments in Associates and Joint Ventures - Summary of Changes in Investments in Associates and Joint Ventures (Detail) - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Beginning | ₩ 1,480,722 | ₩ 1,288,429
Acquisition (Disposal) | 101,387 | 255,041
Share of net profit (loss) from associates and joint ventures | (35,634) | (16,821)
Others | 10,414 | (45,927)
Ending | 1,556,889 | 1,480,722
KIF Investment Fund [Member] |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Beginning | 170,979 | 178,935
Share of net profit (loss) from associates and joint ventures | 5,443 | 2,502
Others | 632 | (10,458)
Ending | 177,054 | 170,979
K Bank [member] |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Beginning | 852,756 | 831,737
Acquisition (Disposal) | 0 |
Share of net profit (loss) from associates and joint ventures | 1,089 | 29,010
Others | 19,036 | (7,991)
Ending | 872,881 | 852,756
Hyundai Robotics Co., Ltd. [member] |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Beginning | 49,372 | 48,725
Acquisition (Disposal) | 0 |
Share of net profit (loss) from associates and joint ventures | (1,637) | 798
Others | (1) | (151)
Ending | 47,734 | 49,372
Megazone Cloud Corporation [Member] |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Beginning | 136,199 |
Acquisition (Disposal) |  | 130,001
Share of net profit (loss) from associates and joint ventures | (4,583) | (22,555)
Others | 78 | 28,753
Ending | 131,694 | 136,199
IGIS No. 4681 General Private Real Estate Investment Company [Member] |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Beginning | 23,589 |
Acquisition (Disposal) |  | 25,000
Share of net profit (loss) from associates and joint ventures | (105) | (1,411)
Ending | 23,484 | 23,589
KT-DSC creative economy youth start-up investment fund [member] |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Beginning | 22,123 | 22,138
Acquisition (Disposal) | (500) |
Share of net profit (loss) from associates and joint ventures | 3,494 | (13)
Others |  | (2)
Ending | 25,117 | 22,123
IGIS Professional Investors Private Investment Real Estate Investment LLC No.395 [Member] |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Beginning | 16,620 | 17,084
Share of net profit (loss) from associates and joint ventures | (4,678) | (464)
Ending | 11,942 | 16,620
Others [member] |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Beginning | 209,084 |
Acquisition (Disposal) | 101,887 |
Share of net profit (loss) from associates and joint ventures | (34,912) |
Others | (32,568) |
Ending | 243,491 | 209,084
Other associates and joint ventures [member] |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Beginning | 209,084 | 189,810
Acquisition (Disposal) |  | 100,040
Share of net profit (loss) from associates and joint ventures |  | (24,688)
Others |  | (56,078)
Ending |  | 209,084
LS Marine Solution Co Ltd Formerly KT Submarine Co Ltd [Member] |  |
Disclosure Of Associates And Joint Ventures [Line Items] |  |
Beginning | 0 |
Share of net profit (loss) from associates and joint ventures | 255 |
Others | 23,237 |
Ending | ₩ 23,492 | ₩ 0

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- Definition The amount of investments in subsidiaries, joint ventures and associates in an entity's separate financial statements. [Refer: Associates [member]; Joint ventures [member]; Subsidiaries [member]; Investments in subsidiaries reported in separate financial statements] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 10 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_10&doctype=Standard -URIDate 2023-03-23 + Details
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