XML 19 R79.htm IDEA: XBRL DOCUMENT
v3.20.1

Related Party Transactions (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Text block [abstract] |
Summary of Related Parties Outstanding Balances of Receivables and Payables | Outstanding balances of receivables and payables in relations to transactions with related parties as at December 31, 2018 and 2019, are as follows:
|  | December 31, 2018 |
|  |  |  | Receivables |  |  | Payables |
(In millions of Korean won) |  | Trade receivables |  |  | Other receivables |  |  | Trade payables |  |  | Other payables |
Associates and joint ventures |  | K-REALTY CR REITs No.1 |  | ￦ | 674 |  |  | ￦ | 30,910 |  |  | ￦ | — |  |  | ￦ | — |
| K Bank, Inc. |  |  | 627 |  |  |  | 12,435 |  |  |  | — |  |  |  | 296 |
| Others |  |  | 777 |  |  |  | 1,225 |  |  |  | 4 |  |  |  | 1,116 |
Total |  |  |  | ￦ | 2,078 |  |  | ￦ | 44,570 |  |  | ￦ | 4 |  |  | ￦ | 1,412 |
|  | December 31, 2019 |
|  |  |  | Receivables |  |  | Payables |
(In millions of Korean won) |  | Trade receivables |  |  | Other receivables |  |  | Other payables |  |  | Lease liabilities |
Associates and joint ventures |  | K-REALTY CR REITs No.1 |  | ￦ | 608 |  |  | ￦ | 23,100 |  |  | ￦ | — |  |  | ￦ | 57,907 |
| K Bank, Inc. |  |  | 583 |  |  |  | 13,664 |  |  |  | 557 |  |  |  | — |
| Others |  |  | 434 |  |  |  | 1,177 |  |  |  | 711 |  |  |  | — |
Total |  |  |  | ￦ | 1,625 |  |  | ￦ | 37,941 |  |  | ￦ | 1,268 |  |  | ￦ | 57,907 |
Summary of Significant Transactions With Related Parties | Significant transactions with related parties for the years ended December 31, 2017, 2018 and 2019, are as follows:
|  |  |  | 2017
(In millions of Korean won) |  | Sales |  | Purchases 1
Associates and joint ventures |  | K- Realty CR-REITs No.1 |  | ￦ 2,233 |  | ￦ 35,532
| MOS GS Co., Ltd. |  | 704 |  | 16,946
| MOS Daegu Co., Ltd. |  | 335 |  | 8,514
| MOS Chungcheong Co., Ltd. |  | 455 |  | 15,542
| MOS Gangnam Co., Ltd. |  | 484 |  | 16,380
| MOS GB Co., Ltd. |  | 987 |  | 21,651
| MOS BS Co., Ltd. |  | 460 |  | 15,957
| MOS Honam Co., Ltd. |  | 493 |  | 14,294
| K Bank, Inc. |  | 29,939 |  | 59
| NgeneBio 2 |  | 43 |  | —
| Others |  | 1,149 |  | 11,384
Total |  |  |  | ￦ 37,282 |  | ￦ 156,259
| 1 | The amount includes acquisition of primarily property and equipment. 2 It is the amount after excluded from consolidation during the year.
|  |  |  | 2018 |
(In millions of Korean won) |  | Sales |  |  | Purchases 1 |
Associates and joint ventures |  | K- Realty CR-REITs No.1 |  | ￦ | 2,088 |  |  | ￦ | 31,984 |
| MOS GS Co., Ltd. 2 |  |  | 493 |  |  |  | 12,023 |
| MOS Daegu Co., Ltd. 2 |  |  | 229 |  |  |  | 8,775 |
| MOS Chungcheong Co., Ltd. 2 |  |  | 540 |  |  |  | 9,159 |
| MOS Gangnam Co., Ltd. 2 |  |  | 333 |  |  |  | 11,549 |
| MOS GB Co., Ltd. 2 |  |  | 1,378 |  |  |  | 16,519 |
| MOS BS Co., Ltd. 2 |  |  | 324 |  |  |  | 11,193 |
| MOS Honam Co., Ltd. 2 |  |  | 331 |  |  |  | 10,499 |
| K Bank, Inc. |  |  | 15,705 |  |  |  | 7,004 |
| NgeneBio 3 |  |  | 3 |  |  |  | — |
| Others |  |  | 2,888 |  |  |  | 9,547 |
|  | Total |  | ￦ | 24,312 |  |  | ￦ | 128,252 |
| 1 | The amounts include acquisition of primarily property and equipment.
| 2 | It is the amount before excluded from consolidation during the year.
| 3 | It is the amount before excluded from associates during the year
|  |  |  | 2019 |
(In millions of Korean won) |  | Sales |  |  | Purchases 1 |
Associates and joint ventures |  | K- Realty CR-REITs No.1 |  | ￦ | 1,302 |  |  | ￦ | — |
| K Bank, Inc. |  |  | 17,815 |  |  |  | 8,524 |
| Others |  |  | 1,498 |  |  |  | 10,531 |
Others |  | K-REALTY CR-REIT 10 1 |  |  | 2,801 |  |  |  | — |
|  | Total |  | ￦ | 23,416 |  |  |  | 19,055 |
| 1 | The amounts include acquisition of primarily property and equipment.
| 2 | The transaction detail prior to current year liquidation.
Summary of Key Management Compensation |
|  |  |  | December 31, 2019
|  |  |  | Receivables |  | Payables |  |
(In millions of Korean won) |  | Acquisition of lease receivables |  | Acquisition of right-of-use assets |  | Finance income |  | Finance costs
Associates and joint ventures |  | K- Realty CR-REITs No.1 |  | ￦ — |  | ￦ 776 |  | ￦ — |  | ￦ 2,225
Key management compensation for the years ended December 31, 2017, 2018 and 2019, consists of:
(In millions of Korean won) |  | 2017 |  |  | 2018 |  |  | 2019 |
Salaries and other short-term benefits |  | ￦ | 2,879 |  |  | ￦ | 2,762 |  |  | ￦ | 2,955 |
Post-employment benefits |  |  | 311 |  |  |  | 751 |  |  |  | 321 |
Stock-based compensation |  |  | 1,331 |  |  |  | 878 |  |  |  | 891 |
Total |  | ￦ | 4,521 |  |  | ￦ | 4,391 |  |  | ￦ | 4,167 |
Summary of Fund Transactions With Related Parties | Fund transactions with related parties for the years ended December 31, 2017, 2018 and 2019, are as follows:
|  | 2017 |
(In millions of Korean won) |  | Equity contributions in cash |  |  | Dividend income |
Associates and joint ventures |  |  |  |  |  |  |  |
PT. Mitra Transaksi Indonesia |  | ￦ | 5,194 |  |  | ￦ | — |
KT-IBKC future investment fund 1 |  |  | 7,500 |  |  |  | — |
CHAMP IT Co.,Ltd. |  |  | 750 |  |  |  | — |
Korea Electronic Vehicle Charging Service |  |  | 864 |  |  |  | — |
Gyeonggi-KT Yoojin Superman Fund |  |  | 1,000 |  |  |  | — |
K-REALTY CR REIT 1 |  |  | — |  |  |  | 5,392 |
K Bank, Inc. |  |  | 26,543 |  |  |  | — |
Korea Information & Technology Investment Fund |  |  | — |  |  |  | 739 |
MOS GS Co., Ltd. |  |  | — |  |  |  | 12 |
MOS Daegu Co., Ltd. |  |  | — |  |  |  | 12 |
MOS Chungcheong Co., Ltd. |  |  | — |  |  |  | 12 |
MOS Gangnam Co., Ltd. |  |  | — |  |  |  | 10 |
MOS GB Co., Ltd. |  |  | — |  |  |  | 15 |
MOS BS Co., Ltd. |  |  | — |  |  |  | 10 |
MOS Honam Co., Ltd. |  |  | — |  |  |  | 10 |
Total |  | ￦ | 41,851 |  |  | ￦ | 6,212 |
|  | 2018 |
(In millions of Korean won) |  | Equity contributions in cash and others |  |  | Dividend income |
Associates and joint ventures |  |  |  |  |  |  |  |
PHI Healthcare Inc. (HooH Healthcare Inc.) |  | ￦ | 1,000 |  |  | ￦ | — |
KT-CKP New Media Investment Fund |  |  | (1,229 | ) |  |  | — |
PT. Mitra Transaksi Indonesia 1 |  |  | 1,567 |  |  |  | — |
Gyeonggi-KT Yoojin Superman Fund |  |  | 1,000 |  |  |  | — |
KT-DSC creative economy youth start-up investment fund |  |  | (1,800 | ) |  |  | — |
KT-IBKC future investment fund 1 |  |  | (1,050 | ) |  |  | — |
Korea Electronic Vehicle Charging Service |  |  | 168 |  |  |  | — |
K Bank, Inc. |  |  | 26,725 |  |  |  | — |
GE Premier 1st Corporate Restructuring Real Estate Investment Trust Company |  |  | (3,423 | ) |  |  | — |
JB Emerging Market Specialty Investment Private Equity Trust No.1 |  |  | 3,960 |  |  |  | 202 |
K-REALTY CR REIT 1 |  |  | — |  |  |  | 8,932 |
Korea Information & Technology Investment Fund |  |  | — |  |  |  | 1,842 |
MOS GS Co., Ltd. 2 |  |  | (147 | ) |  |  | 8 |
MOS Daegu Co., Ltd. 2 |  |  | (147 | ) |  |  | 8 |
MOS Chungcheong Co., Ltd. 2 |  |  | (153 | ) |  |  | 8 |
MOS Gangnam Co., Ltd. 2 |  |  | (180 | ) |  |  | 10 |
MOS GB Co., Ltd. 2 |  |  | (203 | ) |  |  | 12 |
MOS BS Co., Ltd. 2 |  |  | (183 | ) |  |  | 10 |
MOS Honam Co., Ltd. 2 |  |  | (206 | ) |  |  | 10 |
Daiwon Broadcasting Co., Ltd. |  |  | — |  |  |  | 85 |
Boston Global Film & Contents Fund L.P. |  |  | (986 | ) |  |  | — |
Gyeonggi-KT Green Growth Fund |  |  | — |  |  |  | 19 |
Total |  | ￦ | 24,713 |  |  | ￦ | 11,146 |
| 1 | It is the amount before reclassification to assets held for sale.
| 2 | It is the amount before included in consolidation during the year.
|  | December 31, 2019 |
|  | Borrowing transaction 1 |  |  | Equity contributions in cash |  |  | Dividend income |
(In millions of Korean won) |  | Borrowing 2 |  |  | Repayment |
KT-IBKC Future Investment Fund1 |  | ￦ | — |  |  | ￦ | — |  |  | ￦ | 3,750 |  |  | ￦ | — |
KT Philippines co. Ltd. |  |  | — |  |  |  | — |  |  |  | 99 |  |  |  | — |
Virtua Realm Sendirian Berhad |  |  | — |  |  |  | — |  |  |  | 550 |  |  |  | — |
K-REALTY CR REIT 1 |  |  | — |  |  |  | 30,385 |  |  |  | — |  |  |  | 10,928 |
K Bank, Inc |  |  | — |  |  |  | — |  |  |  | 21,782 |  |  |  | — |
KIF Investment Fund |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 4,280 |
Daiwon Broadcasting Co.,Ltd. |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 77 |
JB Emerging Market Specialty Investment Private Equity Trust No.1 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 69 |
Gyeonggi-KT Yoojin Superman Fund |  |  | — |  |  |  | — |  |  |  | 1,000 |  |  |  | — |
KT-CKP New Media Investment Fund |  |  | — |  |  |  | — |  |  |  | (174 | ) |  |  | — |
KT-DSC creative economy youth start-up investment fund |  |  | — |  |  |  | — |  |  |  | (1,800 | ) |  |  | — |
KT-Smart Factory Investment Fund |  |  | — |  |  |  | — |  |  |  | 2,800 |  |  |  | — |
KT-SB Venture Investment Fund |  |  | — |  |  |  | — |  |  |  | (2,404 | ) |  |  | — |
Total |  | ￦ | — |  |  | ￦ | 30,385 |  |  | ￦ | 25,603 |  |  | ￦ | 15,354 |
| 1 | Borrowing transactions include lease transactions.
| 2 | With the application of IFRS 16, initial direct costs were not included in the right-of-use asset at the time of transition on January 1, 2019.

X
- Definition The disclosure of information about key management personnel. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_10_e&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of transactions between the entity and its related parties. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 18 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_18&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of Associates and Joint Ventures Explanatory + References No definition available. + Details
Name: | kt_DisclosureOfAssociatesAndJointVenturesExplanatory
Namespace Prefix: | kt_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of transactions between related parties outstanding receivables and payables. + References No definition available. + Details
Name: | kt_DisclosureOfTransactionsBetweenRelatedPartiesOutstandingReceivablesAndPayablesExplanatory
Namespace Prefix: | kt_
Data Type: | nonnum: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