XML 26 R14.htm IDEA: XBRL DOCUMENT v3.21.1

Inventories

12 Months Ended

Dec. 31, 2020

Text block [abstract]

Inventories

8. Inventories

Inventories as at December 31, 2019 and 2020, are as follows:

		December 31, 2019												December 31, 2020
(In millions of Korean won)		Acquisition cost				Valuation allowance				Book amount				Acquisition cost				Valuation allowance				Book amount
Merchandise		￦	805,691			￦	(144,438	)		￦	661,253			￦	650,856			￦	(133,224	)		￦	517,632
Others			130,424				—				130,424				17,004				—				17,004
Total		￦	936,115			￦	(144,438	)		￦	791,677			￦	667,860			￦	(133,224	)		￦	534,636

Cost of inventories recognized as expenses for year ended December 31, 2020, amounts to ￦ 3,938,842 million (2018: ￦ 3,926,199 million, 2019: ￦ 3,905,630 million) and reversal of valuation loss on inventory recognized amounts to ￦ 11,214 million for year ended December 31, 2020 (2018: valuation loss on inventory amounts to ￦ 55,288 million, 2019: valuation loss on inventory amounts to ￦ 30,857 million,).

X

- Definition

The entire disclosure for inventories.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 2
-IssueDate 2020-01-01
-Section Disclosure
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2020-en-r&doctype=Standard&dita_xref=IAS02_g36-39_TI
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_DisclosureOfInventoriesExplanatory
Namespace Prefix:	ifrs-full_
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