XML 78 R23.htm IDEA: XBRL DOCUMENT v3.20.1

Provisions

12 Months Ended

Dec. 31, 2019

Text block [abstract]

Provisions

17. Provisions

Changes in provisions for the years ended December 31, 2018 and 2019, are as follows:

		2018
(In millions of Korean won)		Litigation				Restoration cost				Others				Total
Beginning balance		￦	18,306			￦	100,216			￦	84,508			￦	203,030
Increase (Transfer)			44,593				25,975				33,378				103,946
Usage			(3,002	)			(3,181	)			(11,780	)			(17,963	)
Reversal			(1,137	)			(4,182	)			(1,818	)			(7,137	)
Ending balance		￦	58,760			￦	118,828			￦	104,288			￦	281,876
Current		￦	14,513			￦	1,736			￦	101,632			￦	117,881
Non-current			44,247				117,092				2,656				163,995
		2019
(In millions of Korean won)		Litigation				Restoration cost				Others				Total
Beginning balance		￦	58,760			￦	118,828			￦	104,288			￦	281,876
Increase (Transfer)			42,684				6,591				17,328				66,603
Usage			(35,640	)			(5,394	)			(15,851	)			(56,885	)
Reversal			(1,563	)			(6,736	)			(29,133	)			(37,432	)
Ending balance		￦	64,241			￦	113,289			￦	76,632			￦	254,162
Current		￦	64,241			￦	37,906			￦	73,465			￦	175,612
Non-current			—				75,383				3,167				78,550

X

- Definition

The disclosure of provisions. [Refer: Provisions]

+ 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_DisclosureOfProvisionsExplanatory
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