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Risk Management - Summary of Maturity Analysis for Non Derivative Financial Assets (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |  |
Cash and cash equivalents |  | ₩ 2,382,979 | ₩ 4,342,887
Financial assets at fair value through other comprehensive income |  | 674,850 | 502,443
Financial assets at amortized cost |  | 30,233 | 38,843
Loans |  | 945,120 | 1,024,806
Long-term/short-term financial instruments |  | 1,960,140 | 1,412,315
Financial assets at fair value through profit or loss |  | 3,089,776 | 2,711,285
Trade and other receivables |  | 15,878,172 | 14,196,156
Financial assets held for managing liquidity risk |  | 24,961,270 | 24,228,735
Less than 1 year |  |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |  |
Cash and cash equivalents |  | 2,382,979 | 4,342,887
Financial assets at fair value through other comprehensive income |  | 0 | 0
Financial assets at amortized cost |  | 20,418 | 28,905
Loans |  | 110,005 | 139,168
Long-term/short-term financial instruments |  | 1,147,929 | 578,578
Financial assets at fair value through profit or loss |  | 1,467,954 | 2,054,021
Trade and other receivables |  | 12,245,159 | 11,990,515
Financial assets held for managing liquidity risk |  | 17,374,444 | 19,134,074
1~5 Years |  |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |  |
Cash and cash equivalents |  | 0 | 0
Financial assets at fair value through other comprehensive income |  | 0 | 0
Financial assets at amortized cost |  | 1,333 | 9,938
Loans |  | 347,251 | 465,666
Long-term/short-term financial instruments |  | 583 | 22
Financial assets at fair value through profit or loss |  | 346,982 | 1,381
Trade and other receivables |  | 1,506,085 | 911,822
Financial assets held for managing liquidity risk |  | 2,202,234 | 1,388,829
More than 5 years |  |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |  |
Cash and cash equivalents |  | 0 | 0
Financial assets at fair value through other comprehensive income |  | 0 | 0
Financial assets at amortized cost |  | 8,482 | 0
Loans |  | 369,851 | 411,100
Long-term/short-term financial instruments |  | 0 | 23
Financial assets at fair value through profit or loss |  | 780,130 | 6,523
Trade and other receivables |  | 2,126,928 | 1,292,539
Financial assets held for managing liquidity risk |  | 3,285,391 | 1,710,185
Other |  |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |  |
Cash and cash equivalents | [1] | 0 | 0
Financial assets at fair value through other comprehensive income | [1] | 674,850 | 502,443
Financial assets at amortized cost | [1] | 0 | 0
Loans | [1] | 118,013 | 8,872
Long-term/short-term financial instruments | [1] | 811,628 | 833,692
Financial assets at fair value through profit or loss | [1] | 494,710 | 649,360
Trade and other receivables | [1] | 0 | 1,280
Financial assets held for managing liquidity risk | [1] | ₩ 2,099,201 | ₩ 1,995,647
[1] | The maturities cannot be presently determined.

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- Definition The amount of financial assets held for managing liquidity risk (for example, financial assets that are readily saleable or expected to generate cash inflows to meet cash outflows on financial liabilities). [Refer: Liquidity risk [member]; Financial assets; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph B11E -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_B11E&doctype=Appendix&subtype=B -URIDate 2024-03-27 + Details
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