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Intangible Assets - Summary of Goodwill Allocated to Each Cash-Generation Unit (Detail) ₩ in Millions | Dec. 31, 2020 KRW (₩)
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Disclosure of detailed information about intangible assets [line items] |
Goodwill | ₩ 230,085
Mobile services [member] | ICT [member] |
Disclosure of detailed information about intangible assets [line items] |
Goodwill | 65,057
BC Card Co., Ltd. [member] | Finance [member] |
Disclosure of detailed information about intangible assets [line items] |
Goodwill | 41,234
GENIE Music Corporation K T Music Corporation [member] | Others [member] |
Disclosure of detailed information about intangible assets [line items] |
Goodwill | 50,214
PlayD Co., Ltd. (N Search Marketing Co., Ltd.) [member] | Others [member] |
Disclosure of detailed information about intangible assets [line items] |
Goodwill | 42,745
KT Telecop Co., Ltd. [member] | Others [member] |
Disclosure of detailed information about intangible assets [line items] |
Goodwill | 15,418
KT MOS Bukbu Co Ltd and others [member] | Others [member] |
Disclosure of detailed information about intangible assets [line items] |
Goodwill | ₩ 15,417

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- Definition The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2020-01-01 -Paragraph B67 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2020-01-01 -Paragraph 134 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_134_a&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2020-01-01 -Paragraph 135 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_135_a&doctype=Standard -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_c&doctype=Standard -URIDate 2020-01-01 + Details
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