XML 204 R192.htm IDEA: XBRL DOCUMENT v3.22.1

Lease - Summary of Changes in Allowance For Doubtful Accounts of Finance Lease Receivables (Details) - KRW (₩) ₩ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Changes in the allowance for doubtful accounts of finance lease receivables [Abstract]
Beginning balance	₩ 990	₩ 862
Bad debt expense	0	128
Reversal of allowance for doubtful accounts	(222)	0
Ending balance	₩ 768	₩ 990

X

- Definition

Allowance for doubtful accounts finance lease receivables.

+ References

No definition available.

+ Details

Name:	kep_AllowanceForDoubtfulAccountsFinanceLeaseReceivables
Namespace Prefix:	kep_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Allowance for doubtful accounts other financial assets bad debt expense.

+ References

No definition available.

+ Details

Name:	kep_AllowanceForDoubtfulAccountsFinanceLeaseReceivablesBadDebtExpense
Namespace Prefix:	kep_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Reversal of allowance for doubtful accounts.

+ References

No definition available.

+ Details

Name:	kep_AllowanceForDoubtfulAccountsFinanceLeaseReceivablesReversalOfAllowanceForDoubtful
Namespace Prefix:	kep_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_ChangesInTheAllowanceForDoubtfulAccountsOfFinanceLeaseReceivablesAabstract
Namespace Prefix:	kep_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration