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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, 2022 | Dec. 31, 2021
Beginning | ₩ 117,469 | ₩ 86,051
Increase /decrease | (99,824) | 168,001
Reclassified to gain or loss | (95,421) | (136,583)
Ending | (77,776) | 117,469
Changes in investments in associates and joint ventures [member] |  |
Beginning | (3,461) | 16,257
Increase /decrease | (8,291) | (19,718)
Ending | (11,752) | (3,461)
Gain (loss) on derivatives valuation [member] |  |
Beginning | 25,031 | 19,809
Increase /decrease | 63,281 | 141,805
Reclassified to gain or loss | (95,421) | (136,583)
Ending | (7,109) | 25,031
Gain (loss) on valuation of financial assets at fair value through other comprehensive income [member] |  |
Beginning | 108,685 | 61,438
Increase /decrease | (160,785) | 47,247
Ending | (52,100) | 108,685
Exchange differences on translation for foreign operations [member] |  |
Beginning | (12,786) | (11,453)
Increase /decrease | 5,971 | (1,333)
Ending | ₩ (6,815) | ₩ (12,786)

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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 2022-03-24 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard -URIDate 2022-03-24 + 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 2022-03-24 -Paragraph IG6 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_IG6&doctype=Implementation%20Guidance -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 82A -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_82A&doctype=Standard -URIDate 2022-03-24 + 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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