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Accumulated Other Comprehensive Income and Other Components of Equity - Summary of Changes in Accumulated Other Comprehensive Income (Detail) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Beginning | ₩ 52,407 | ₩ (77,776)
Increase /decrease | 297,276 | 168,125
Reclassified to gain or loss | (285,954) | (37,942)
Ending | 63,729 | 52,407
Changes in investments in associates and joint ventures [member] |  |
Beginning | 4,023 | (11,752)
Increase /decrease | 3,723 | 15,775
Ending | 7,746 | 4,023
Gain (loss) on derivatives valuation [member] |  |
Beginning | (29,361) | (7,109)
Increase /decrease | 273,137 | 15,690
Reclassified to gain or loss | (285,954) | (37,942)
Ending | (42,178) | (29,361)
Gain (loss) on valuation of financial assets at fair value through other comprehensive income [member] |  |
Beginning | 73,928 | (52,100)
Increase /decrease | 6,917 | 126,028
Ending | 80,845 | 73,928
Exchange differences on translation for foreign operations [member] |  |
Beginning | 3,817 | (6,815)
Increase /decrease | 13,499 | 10,632
Ending | ₩ 17,316 | ₩ 3,817

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- Definition The amount of accumulated items of income and expense (including reclassification adjustments) that are not recognised in profit or loss as required or permitted by other IFRSs. [Refer: IFRSs [member]; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of other comprehensive income that will be reclassified to profit or loss, before tax. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph IG6 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_IG6&doctype=Implementation%20Guidance -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 82A -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_82A&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Increase (decrease) in other comprehensive income + References No definition available. + Details
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- Details
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- Details
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