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Investments in Associates and Joint Ventures (Tables) | 12 Months Ended
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Dec. 31, 2018
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Summary of Details of Associates | Details of associates as at December 31, 2017 and 2018, are as follows:
|  | Percentage of ownership (%) |  |  | Location |  | Date of financial statements |
|  | 2017 |  |  | 2018 |  |  |  |  |  |
Korea Information & Technology Fund |  |  | 33.3 | % |  |  | 33.3 | % |  | Korea |  |  | December 31 |
KT-SB Venture Investment Fund1 |  |  | 50.0 | % |  |  | 50.0 | % |  | Korea |  |  | December 31 |
KT-IBKC Future Investment Fund 11 |  |  | 50.0 | % |  |  | 50.0 | % |  | Korea |  |  | December 31 |
KT-CKP New Media Investment Fund |  |  | 49.7 | % |  |  | 49.7 | % |  | Korea |  |  | December 31 |
K Bank Inc.1 |  |  | 10.0 | % |  |  | 10.0 | % |  | Korea |  |  | December 31 |
1 | At the end of the reporting period, even though the Group (KT-SB Venture Investment Fund and KT-IBKC Future Investment Fund 1) has 50% ownership, the equity method of accounting has been applied as the Group, which is a limited partner of the investment fund, cannot participate in determining the operating and financial policies. Also, 8.8% of non-voting convertible stock are excluded in deriving percentage of ownership of K bank Inc.
Summary of Changes in Investments in Associates and Joint Ventures | Changes in investments in associates and joint ventures for the years ended December 31, 2017 and 2018, are as follows:
|  | 2017 |
(In millions of Korean won) |  | Beginning |  |  | Acquisition (Disposal) |  |  | Share of net profit from associates and joint ventures |  |  | Impairment |  |  | Others |  |  | Ending |
Korea Information & Technology Fund |  | ￦ | 134,969 |  |  | ￦ | — |  |  | ￦ | 4,275 |  |  | ￦ | — |  |  | ￦ | 290 |  |  | ￦ | 139,534 |
KT-SB Venture Investment Fund |  |  | 4,736 |  |  |  | (1,069 | ) |  |  | (725 | ) |  |  | — |  |  |  | — |  |  |  | 2,942 |
Mongolian Telecommunications |  |  | 6,244 |  |  |  | — |  |  |  | (348 | ) |  |  | — |  |  |  | (5,896 | ) |  |  | — |
KT Wibro Infra Co., Ltd. |  |  | 52,200 |  |  |  | (52,200 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
KT-IBKC Future Investment Fund1 |  |  | 3,621 |  |  |  | 7,500 |  |  |  | (296 | ) |  |  | — |  |  |  | — |  |  |  | 10,825 |
KT-CKP New Media Investment Fund |  |  | 4,454 |  |  |  | (2,970 | ) |  |  | 810 |  |  |  | — |  |  |  | — |  |  |  | 2,294 |
K Bank Inc. |  |  | — |  |  |  | 26,543 |  |  |  | (17,244 | ) |  |  | — |  |  |  | 32,809 |  |  |  | 42,108 |
Others |  |  | 77,851 |  |  |  | 3,178 |  |  |  | (1,952 | ) |  |  | (3,662 | ) |  |  | 6,313 |  |  |  | 81,728 |
|  | ￦ | 284,075 |  |  | ￦ | (19,018 | ) |  | ￦ | (15,480 | ) |  | ￦ | (3,662 | ) |  | ￦ | 33,516 |  |  | ￦ | 279,431 |
|  | 2018 |
(In millions of Korean won) |  | Beginning |  |  | Acquisition (Disposal) |  |  | Share of net profit from associates and joint ventures1 |  |  | Impairment |  |  | 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 Fund1 |  |  | 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 |
Others2 |  |  | 81,728 |  |  |  | 2,466 |  |  |  | 8,607 |  |  |  | — |  |  |  | (36,016 | ) |  |  | 56,785 |
|  | ￦ | 279,431 |  |  | ￦ | 26,912 |  |  | ￦ | 5,912 |  |  | ￦ | — |  |  | ￦ | (39,848 | ) |  | ￦ | 272,407 |
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 ￦445 million (2017:￦1,588 million) recognized as operating expense during the period.
2 | The Group classified total shares of PT Mitra Transksi Indonesia 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, 2017 and 2018, is as follows:
(In millions of Korean won) |  | December 31, 2017 |
|  | Current assets |  |  | Non-current assets |  |  | Current liabilities |  |  | Non-current liabilities |
Korea Information & Technology Fund |  | ￦ | 144,874 |  |  | ￦ | 273,727 |  |  | ￦ | — |  |  | ￦ | — |
KT-SB Venture Investment |  |  | 120 |  |  |  | 5,770 |  |  |  | 6 |  |  |  | — |
KT-IBKC Future Investment Fund 1 |  |  | 5,499 |  |  |  | 16,302 |  |  |  | 152 |  |  |  | — |
KT-CKP New Media Investment Fund |  |  | 287 |  |  |  | 4,333 |  |  |  | — |  |  |  | — |
K Bank Inc. |  |  | 1,258,969 |  |  |  | 92,137 |  |  |  | 1,116,154 |  |  |  | 1,177 |
(In millions of Korean won) |  | 2017 |
|  | Operating revenue |  |  | Profit (loss) for the year |  |  | Other comprehensive income |  |  | Total comprehensive income |  |  | Dividends received from associates |
Korea Information & Technology Fund |  | ￦ | 36,462 |  |  | ￦ | 12,825 |  |  | ￦ | 1,868 |  |  | ￦ | 14,693 |  |  | ￦ | 739 |
KT-SB Venture Investment |  |  | 3 |  |  |  | (1,449 | ) |  |  | — |  |  |  | (1,449 | ) |  |  | — |
KT-IBKC Future Investment Fund 1 |  |  | 15 |  |  |  | (593 | ) |  |  | — |  |  |  | (593 | ) |  |  | — |
KT-CKP New Media Investment Fund |  |  | 1,593 |  |  |  | 1,632 |  |  |  | — |  |  |  | 1,632 |  |  |  | — |
K Bank Inc. |  |  | 20,926 |  |  |  | (83,787 | ) |  |  | (746 | ) |  |  | (84,533 | ) |  |  | — |
(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 |  |  | Total comprehensive income |  |  | 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 | ) |  |  | — |
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, 2017 and 2018, are as follows:
|  | December 31, 2017 |
(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 |  | ￦ | 418,601 |  |  |  | 33.33 | % |  | ￦ | 139,534 |  |  | ￦ | — |  |  | ￦ | 139,534 |
KT-SB Venture Investment |  |  | 5,884 |  |  |  | 50.00 | % |  |  | 2,942 |  |  |  | — |  |  |  | 2,942 |
KT-IBKC Future Investment Fund 1 |  |  | 21,649 |  |  |  | 50.00 | % |  |  | 10,825 |  |  |  | — |  |  |  | 10,825 |
KT-CKP New Media Investment Fund |  |  | 4,620 |  |  |  | 49.67 | % |  |  | 2,294 |  |  |  | — |  |  |  | 2,294 |
K Bank Inc.1 |  |  | 233,775 |  |  |  | 10.00 | % |  |  | 42,108 |  |  |  | — |  |  |  | 42,108 |
1 | 8% of non-voting convertible stock are excluded from percentage of ownership for K Bank Inc.
|  | 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 |  |  |  | 33.33 | % |  | ￦ | 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.

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