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Investments in Associates and Joint Ventures (Tables) | 12 Months Ended
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Dec. 31, 2019
Text block [abstract] |
Summary of Details of Associates |
| 1 | At the beginning of the reporting period, although the Group owns 50% ownership in this entity, this entity was included in investments in joint ventures as the Group cannot unilaterally make decisions in determining the operating and financial policies and was disposed current period.
| 2 | At the end of the reporting period, although the Group (KT-IBKC Future Investment Fund 1) owns 50% ownership, the equity method of accounting has been applied as the Group, which is a limited partner of the investment fund, because the Group cannot participate in determining the operating and financial policies.
| 3 | At the end of the reporting period, although the Group owns less than 20% ownership in ordinary share, this entity is included in investments in associates as the Group has a significant influence in determining the operating and financial policies. Furthermore, 12.1% of non-voting convertible stock are excluded from the ownership percentage.
Summary of Changes in Investments in Associates and Joint Ventures | Changes in investments in associates and joint ventures for the years ended December 31, 2018 and 2019, are as follows:
(In millions of Korean won) |  | Beginning |  |  | Acquisition (Disposal) |  |  | Share of net profit from associates and joint ventures 1 |  |  | Others |  |  | Ending |
Korea Information & Technology Fund |  | ￦ | 139,534 |  |  | ￦ | — |  |  | ￦ | 15,037 |  |  | ￦ | (6,316 | ) |  | ￦ | 148,255 |
KT-SB Venture Investment Fund |  |  | 2,942 |  |  |  | — |  |  |  | 1,528 |  |  |  | — |  |  |  | 4,470 |
KT-IBKC Future Investment Fund 1 |  |  | 10,825 |  |  |  | (1,050 | ) |  |  | 1,028 |  |  |  | (842 | ) |  |  | 9,961 |
KT-CKP New Media Investment Fund |  |  | 2,294 |  |  |  | (1,229 | ) |  |  | (784 | ) |  |  | — |  |  |  | 281 |
K Bank Inc. |  |  | 42,108 |  |  |  | 26,725 |  |  |  | (19,504 | ) |  |  | 3,326 |  |  |  | 52,655 |
Others 2 |  |  | 81,728 |  |  |  | 2,466 |  |  |  | 8,607 |  |  |  | (36,016 | ) |  |  | 56,785 |
|  | ￦ | 279,431 |  |  | ￦ | 26,912 |  |  | ￦ | 5,912 |  |  | ￦ | (39,848 | ) |  | ￦ | 272,407 |
(In millions of Korean won) |  | Beginning |  |  | Acquisition (Disposal) |  |  | Share of net profit from associates and joint ventures 1 |  |  | Others |  |  | Ending |
Korea Information & Technology Fund |  | ￦ | 148,255 |  |  | ￦ | — |  |  | ￦ | 17,956 |  |  | ￦ | (2,236 | ) |  | ￦ | 163,975 |
KT-SB Venture Investment Fund |  |  | 4,470 |  |  |  | (4,470 | ) |  |  | — |  |  |  | — |  |  |  | — |
KT-IBKC Future Investment Fund 1 |  |  | 9,961 |  |  |  | 3,750 |  |  |  | 389 |  |  |  | — |  |  |  | 14,100 |
KT-CKP New Media Investment Fund |  |  | 281 |  |  |  | (174 | ) |  |  | 27 |  |  |  | — |  |  |  | 134 |
K Bank Inc. |  |  | 52,655 |  |  |  | 21,782 |  |  |  | (28,865 | ) |  |  | (414 | ) |  |  | 45,158 |
Others 2 |  |  | 56,785 |  |  |  | (7,867 | ) |  |  | 7,241 |  |  |  | (11,866 | ) |  |  | 44,293 |
|  | ￦ | 272,407 |  |  | ￦ | 13,021 |  |  | ￦ | (3,252 | ) |  | ￦ | (14,516 | ) |  | ￦ | 267,660 |
1 | KT investment Co., Ltd., a subsidiary of the Group, recognized its share in net profit from associates and joint ventures as operating revenue and expense. These include its share in net loss from associates and joint ventures of ￦ 52 million (2018: ￦ 445 million) recognized as operating expense during the period.
2 | The Group classified its entire interest in ISU-kth Content Investment Co., Ltd. as assets held for sale (Note 10).
Summary of Financial Information of Associates and Joint Ventures | Summarized financial information of associates and joint ventures as at and for the years ended December 31, 2018 and 2019, is as follows:
(In millions of Korean won) |  | December 31, 2018 |
|  | Current assets |  |  | Non-current assets |  |  | Current liabilities |  |  | Non-current liabilities |
Korea Information & Technology Fund |  | ￦ | 118,024 |  |  | ￦ | 326,740 |  |  | ￦ | — |  |  | ￦ | — |
KT-SB Venture Investment |  |  | 4,322 |  |  |  | 4,624 |  |  |  | 6 |  |  |  | — |
KT-IBKC Future Investment Fund 1 |  |  | 19,922 |  |  |  | — |  |  |  | — |  |  |  | — |
KT-CKP New Media Investment Fund |  |  | 25 |  |  |  | 540 |  |  |  | — |  |  |  | — |
K Bank Inc. |  |  | 2,094,152 |  |  |  | 90,505 |  |  |  | 1,901,389 |  |  |  | 3,185 |
(In millions of Korean won) |  | 2018 |
|  | Operating revenue |  |  | Profit (loss) for the year |  |  | Other comprehensive income(loss) |  |  | Total comprehensive income(loss) |  |  | Dividends received from associates |
Korea Information & Technology Fund |  | ￦ | 59,524 |  |  | ￦ | 45,110 |  |  | ￦ | (13,422 | ) |  | ￦ | 31,688 |  |  | ￦ | 1,842 |
KT-SB Venture Investment |  |  | — |  |  |  | 3,056 |  |  |  | — |  |  |  | 3,056 |  |  |  | — |
KT-IBKC Future Investment Fund 1 |  |  | 2,665 |  |  |  | 2,057 |  |  |  | — |  |  |  | 2,057 |  |  |  | — |
KT-CKP New Media Investment Fund |  |  | 371 |  |  |  | (629 | ) |  |  | — |  |  |  | (629 | ) |  |  | — |
K Bank Inc. |  |  | 66,787 |  |  |  | (79,671 | ) |  |  | 1,432 |  |  |  | (78,440 | ) |  |  | — |
(In millions of Korean won) |  | December 31, 2019 |
|  | Current assets |  |  | Non-current assets |  |  | Current liabilities |  |  | Non-current liabilities |
Korea Information & Technology Fund |  | ￦ | 113,233 |  |  | ￦ | 378,691 |  |  | ￦ | — |  |  | ￦ | — |
KT-IBKC Future Investment Fund 1 |  |  | 28,200 |  |  |  | — |  |  |  | — |  |  |  | — |
KT-CKP New Media Investment Fund |  |  | 3 |  |  |  | 267 |  |  |  | — |  |  |  | — |
K Bank Inc. |  |  | 2,480,065 |  |  |  | 78,566 |  |  |  | 2,350,375 |  |  |  | 3,784 |
(In millions of Korean won) |  | 2019 |
|  | Operating revenue |  |  | Profit (loss) for the year |  |  | Other comprehensive income(loss) |  |  | Total comprehensive income(loss) |  |  | Dividends received from associates |
Korea Information & Technology Fund |  | ￦ | 70,565 |  |  | ￦ | 53,867 |  |  | ￦ | 6,132 |  |  | ￦ | 59,999 |  |  | ￦ | 4,280 |
KT-IBKC Future Investment Fund 1 |  |  | 1,694 |  |  |  | 779 |  |  |  | — |  |  |  | 779 |  |  |  | — |
KT-CKP New Media Investment Fund |  |  | 56 |  |  |  | 55 |  |  |  | — |  |  |  | 55 |  |  |  | — |
K Bank Inc. |  |  | 92,712 |  |  |  | (100,773 | ) |  |  | (23 | ) |  |  | (100,796 | ) |  |  | — |
Summary of Reconciliation of Carrying Amount of Interests in the Associates and Joint Ventures | Details of a reconciliation of the summarized financial information to the carrying amount of interests in the associates and joint ventures as at and for the years end December 31, 2018 and 2019, are as follows:
|  | December 31, 2018 |
(In millions of Korean won) |  | Net assets (a) |  |  | Percentage of ownership (b) |  |  | Share in net assets (c)=(a)x(b) |  |  | Intercompany transaction and others (d) |  |  | Book amount (c)+(d) |
Korea Information & Technology Fund |  | ￦ | 444,764 |  |  |  | 33.3 0 | % |  | ￦ | 148,255 |  |  | ￦ | — |  |  | ￦ | 148,255 |
KT-SB Venture Investment |  |  | 8,940 |  |  |  | 50.00 | % |  |  | 4,470 |  |  |  | — |  |  |  | 4,470 |
KT-IBKC Future Investment Fund 1 |  |  | 19,922 |  |  |  | 50.00 | % |  |  | 9,961 |  |  |  | — |  |  |  | 9,961 |
KT-CKP New Media Investment Fund |  |  | 565 |  |  |  | 49.70 | % |  |  | 280 |  |  |  | — |  |  |  | 280 |
K Bank Inc. 1 |  |  | 280,083 |  |  |  | 10.00 | % |  |  | 52,655 |  |  |  | — |  |  |  | 52,655 |
1 | 8.8% of non-voting convertible stock are excluded from percentage of ownership for K Bank Inc.
(In millions of Korean won) |  | December 31, 2019 |
|  | Net assets (a) |  |  | Percentage of ownership (b) |  |  | Share in net assets (c)=(a)x(b) |  |  | Intercompany transaction and others (d) |  |  | Book amount (c)+(d) |
Korea Information & Technology Fund |  | ￦ | 491,924 |  |  |  | 33.30 | % |  | ￦ | 163,975 |  |  | ￦ | — |  |  | ￦ | 163,975 |
KT-IBKC Future Investment Fund 1 |  |  | 28,200 |  |  |  | 50.00 | % |  |  | 14,100 |  |  |  | — |  |  |  | 14,100 |
KT-CKP New Media Investment Fund |  |  | 270 |  |  |  | 49.70 | % |  |  | 134 |  |  |  | — |  |  |  | 134 |
K Bank Inc. 1 |  |  | 204,472 |  |  |  | 10.00 | % |  |  | 45,158 |  |  |  | — |  |  |  | 45,158 |
1 | 12.1% of non-voting convertible stock are excluded from percentage of ownership for K Bank Inc.

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