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Commitments and Contingencies - Summary of the issuance of real estate collateral trust and beneficiary certificates of the Group (Detail) - Real Estate Collateral Trust [Member] ₩ in Millions	Dec. 31, 2022 KRW (₩)
NongHyup Bank [Member] | First Placing Of Collateral Asset [Member]
Disclosure Of Real Estate Collateral Trust And Beneficiary Certificates Of The Group [Line Items]
Commitment (limit) amount	₩ 100,000
Amount provided as collateral for beneficiary rights	120,000
Kyobo Life Insurance [Member] | First Placing Of Collateral Asset [Member]
Disclosure Of Real Estate Collateral Trust And Beneficiary Certificates Of The Group [Line Items]
Commitment (limit) amount	180,000
Amount provided as collateral for beneficiary rights	216,000
Standard Chartered Bank Korea Limited [Member] | First Placing Of Collateral Asset [Member]
Disclosure Of Real Estate Collateral Trust And Beneficiary Certificates Of The Group [Line Items]
Commitment (limit) amount	120,000
Amount provided as collateral for beneficiary rights	144,000
Standard Chartered Bank Korea Limited [Member] | Second Placing Of Collateral Asset [Member]
Disclosure Of Real Estate Collateral Trust And Beneficiary Certificates Of The Group [Line Items]
Commitment (limit) amount	20,000
Amount provided as collateral for beneficiary rights	24,000
Samsung Life Insurance [Member] | First Placing Of Collateral Asset [Member]
Disclosure Of Real Estate Collateral Trust And Beneficiary Certificates Of The Group [Line Items]
Commitment (limit) amount	100,000
Amount provided as collateral for beneficiary rights	120,000
Industrial Bank Of Korea [member] | Second Placing Of Collateral Asset [Member]
Disclosure Of Real Estate Collateral Trust And Beneficiary Certificates Of The Group [Line Items]
Commitment (limit) amount	40,000
Amount provided as collateral for beneficiary rights	48,000
Korea Investment Capital [Member] | Second Placing Of Collateral Asset [Member]
Disclosure Of Real Estate Collateral Trust And Beneficiary Certificates Of The Group [Line Items]
Commitment (limit) amount	40,000
Amount provided as collateral for beneficiary rights	48,000
BNK Capital [Member] | Second Placing Of Collateral Asset [Member]
Disclosure Of Real Estate Collateral Trust And Beneficiary Certificates Of The Group [Line Items]
Commitment (limit) amount	30,000
Amount provided as collateral for beneficiary rights	36,000
NH Capital [Member] | Second Placing Of Collateral Asset [Member]
Disclosure Of Real Estate Collateral Trust And Beneficiary Certificates Of The Group [Line Items]
Commitment (limit) amount	20,000
Amount provided as collateral for beneficiary rights	24,000
LOTTE Engineering Construction [Member] | Third Placing Of Collateral Asset [Member]
Disclosure Of Real Estate Collateral Trust And Beneficiary Certificates Of The Group [Line Items]
Commitment (limit) amount	0
Amount provided as collateral for beneficiary rights	₩ 736,921

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- Definition

The amount of financial assets that the entity has pledged as collateral for liabilities or contingent liabilities, including amounts that have been reclassified in accordance with paragraph 3.2.23(a) of IFRS 9. [Refer: Contingent liabilities [member]; Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2022-03-24
-Paragraph 14
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_14_a&doctype=Standard
-URIDate 2022-03-24

+ Details

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- Definition

Commitment amount.

+ References

No definition available.

+ Details

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- Definition

Disclosure of real estate collateral trust and beneficiary certificates of the Group [Lineitems].

+ References

No definition available.

+ Details

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