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Cash and due from banks at amortized cost (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Cash and cash equivalents : |  |
Cash | ₩ 2,882,978 | ₩ 2,296,962
Due from banks at amortized cost : |  |
Allowance for credit losses | (16,100) | (21,342)
Cash and Due from banks at amortized cost, total | 39,742,605 | 40,525,712
Denominated in Korean won |  |
Due from banks at amortized cost : |  |
Reserve deposits | 8,164,072 | 11,594,266
Time deposits | 893,222 | 2,198,645
Certificate of deposit | 19,434 | 0
Other | 4,286,250 | 3,365,689
Due from banks at amortized cost, total | 13,362,978 | 17,158,600
Denominated in foreign currency |  |
Due from banks at amortized cost : |  |
Deposits | 16,942,214 | 14,934,942
Time deposits | 3,908,381 | 3,956,971
Other | 2,662,154 | 2,199,579
Due from banks at amortized cost, total | ₩ 23,512,749 | ₩ 21,091,492

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- Definition The amount of cash on hand and demand deposits. [Refer: Cash on hand] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2025-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition The amount of reserve that is kept in deposit at a central bank to fulfil regulatory reserve requirements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition Due from banks at amortized cost, total. + References No definition available. + Details
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