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Financial risk management - Changes in carrying values of financial instruments classified as Level 3 (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024
Financial asset at FVTPL |  |
Changes in carrying values of financial instruments classified as Level 3 [Line Items] |  |
Beginning balance | ₩ 18,632,327 | ₩ 17,327,888
Recognized in profit or loss for the period | 8,721 | 355,895
Recognized in other comprehensive income (loss) for the year | (531) | 3,287
Recognized Changes In Carrying Value Of Financial Instruments | 8,190 | 359,182
Purchase | 5,875,977 | 7,120,860
Settlement | (4,667,721) | (5,798,938)
Transfer to level 3 | 65,173 | 17,407
Transfer out of level 3 | (56,884) | (394,072)
Ending balance | 19,857,062 | 18,632,327
Securities at FVOCI |  |
Changes in carrying values of financial instruments classified as Level 3 [Line Items] |  |
Beginning balance | 922,191 | 949,183
Recognized in other comprehensive income (loss) for the year | 69,448 | (77,241)
Recognized Changes In Carrying Value Of Financial Instruments | 69,448 | (77,241)
Purchase | 6,324 | 55,431
Settlement | (62,292) | (5,153)
Transfer to level 3 | 9,140 |
Transfer out of level 3 |  | (29)
Ending balance | 944,811 | 922,191
Financial liabilities designated at FVTPL |  |
Changes in carrying values of financial instruments classified as Level 3 [Line Items] |  |
Beginning balance | (7,139,257) | (6,725,252)
Recognized in profit or loss for the period | (225,030) | (74,680)
Recognized in other comprehensive income (loss) for the year | (4,165) | (8,614)
Recognized Changes In Carrying Value Of Financial Instruments | (229,195) | (83,294)
Issue | (6,407,756) | (7,993,276)
Settlement | 7,941,525 | 7,662,565
Ending balance | (5,834,683) | (7,139,257)
Derivative assets - Held for trading |  |
Changes in carrying values of financial instruments classified as Level 3 [Line Items] |  |
Beginning balance | 719,177 | 632,213
Recognized in profit or loss for the period | 95,523 | 64,091
Recognized Changes In Carrying Value Of Financial Instruments | 95,523 | 64,091
Purchase | 87,869 | 1,318,715
Settlement | (306,359) | (1,299,773)
Transfer to level 3 | 23 | 3,931
Transfer out of level 3 | (4) |
Ending balance | 596,229 | 719,177
Derivative liabilities - Held for trading |  |
Changes in carrying values of financial instruments classified as Level 3 [Line Items] |  |
Beginning balance | (536,855) | (783,587)
Recognized in profit or loss for the period | 155,722 | (307,946)
Recognized Changes In Carrying Value Of Financial Instruments | 155,722 | (307,946)
Purchase | (30,005) | (11,529)
Settlement | 117,483 | 566,207
Ending balance | (293,655) | (536,855)
Derivative liabilities - Held for hedging |  |
Changes in carrying values of financial instruments classified as Level 3 [Line Items] |  |
Beginning balance | (207,697) | (224,195)
Recognized in profit or loss for the period | 36,007 | 16,498
Recognized Changes In Carrying Value Of Financial Instruments | 36,007 | 16,498
Purchase | (13,580) |
Settlement | 31,453 |
Ending balance | ₩ (153,817) | ₩ (207,697)

X
- Definition The carrying value of financial assets and liabilities. + References No definition available. + Details
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- References No definition available. + Details
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- Definition The amount of financial assets and liabilities issued by the entity. + References No definition available. + Details
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- Definition The amount of recognized in other comprehensive income or loss for financial assets and liabilities. + References No definition available. + Details
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- Definition The amount of recognized in profit or loss for financial assets and liabilities. + References No definition available. + Details
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- Definition The amount of financial assets and liabilities settlemented by the entity. + References No definition available. + Details
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- Definition The amount of transfers of assets and liabilities into Level 3 of the fair value hierarchy. + References No definition available. + Details
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- Definition The amount of transfers of assets and liabilities out of Level 3 of the fair value hierarchy. + References No definition available. + Details
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