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Fair Value of Financial Assets and Liabilities (Details) - Schedule of Fair Value Financial Assets and Liabilities not Measured at Fair Value on the Balance Sheet - Estimated Fair Value [Member] - CLP ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Assets |  |
Cash and due from banks | $ 2,464,648 | $ 2,764,884
Transactions in the course of collection | 415,505 | 772,196
Subtotal | 2,880,153 | 3,537,080
Financial assets at amortized cost |  |
Rights by resale agreements and securities lending | 71,822 | 54,061
Debt financial instruments | 1,368,416 | 836,527
Loans and advances to Banks |  |
Domestic banks |  |
Central Bank of Chile | 2,100,933 | 1,801,100
Foreign banks | 412,662 | 369,526
Subtotal | 3,953,833 | 3,061,214
Loans to customers, net |  |
Commercial loans | 19,193,778 | 19,161,774
Residential mortgage loans | 11,656,071 | 11,138,046
Consumer loans | 5,025,163 | 4,608,041
Subtotal | 35,875,012 | 34,907,861
Total | 42,708,998 | 41,506,155
Liabilities |  |
Transactions in the course of payment | 356,871 | 681,792
Financial liabilities at amortized cost |  |
Current accounts and other demand deposits | 13,670,793 | 13,592,155
Saving accounts and time deposits | 15,536,406 | 14,342,841
Obligations by repurchase agreements and securities lending | 157,173 | 216,264
Borrowings from financial institutions | 5,152,776 | 4,844,427
Debt financial instruments issued |  |
Letters of credit for residential purposes | 1,533 | 2,466
Letters of credit for general purposes | 12 | 52
Bonds | 9,090,188 | 9,030,443
Other financial obligations | 339,327 | 363,809
Subtotal | 43,948,208 | 42,392,457
Subordinate bonds | 1,035,801 | 1,002,250
Total | 45,340,880 | 44,076,499
Level 1 [Member] |  |
Assets |  |
Cash and due from banks | 2,464,648 | 2,764,884
Transactions in the course of collection | 415,505 | 772,196
Subtotal | 2,880,153 | 3,537,080
Financial assets at amortized cost |  |
Rights by resale agreements and securities lending | 71,822 | 54,061
Debt financial instruments | 1,368,416 | 836,527
Loans and advances to Banks |  |
Domestic banks |  |
Central Bank of Chile | 2,100,933 | 1,801,100
Foreign banks |  |
Subtotal | 3,541,171 | 2,691,688
Loans to customers, net |  |
Commercial loans |  |
Residential mortgage loans |  |
Consumer loans |  |
Subtotal |  |
Total | 6,421,324 | 6,228,768
Liabilities |  |
Transactions in the course of payment | 356,871 | 681,792
Financial liabilities at amortized cost |  |
Current accounts and other demand deposits | 13,670,793 | 13,592,155
Saving accounts and time deposits |  |
Obligations by repurchase agreements and securities lending | 157,173 | 216,264
Borrowings from financial institutions |  |
Debt financial instruments issued |  |
Letters of credit for residential purposes |  |
Letters of credit for general purposes |  |
Bonds |  |
Other financial obligations |  |
Subtotal | 13,827,966 | 13,808,419
Subordinate bonds |  |
Total | 14,184,837 | 14,490,211
Level 2 [Member] |  |
Assets |  |
Cash and due from banks |  |
Transactions in the course of collection |  |
Subtotal |  |
Financial assets at amortized cost |  |
Rights by resale agreements and securities lending |  |
Debt financial instruments |  |
Loans and advances to Banks |  |
Domestic banks |  |
Central Bank of Chile |  |
Foreign banks |  |
Subtotal |  |
Loans to customers, net |  |
Commercial loans |  |
Residential mortgage loans |  |
Consumer loans |  |
Subtotal |  |
Total |  |
Liabilities |  |
Transactions in the course of payment |  |
Financial liabilities at amortized cost |  |
Current accounts and other demand deposits |  |
Saving accounts and time deposits |  |
Obligations by repurchase agreements and securities lending |  |
Borrowings from financial institutions |  |
Debt financial instruments issued |  |
Letters of credit for residential purposes | 1,533 | 2,466
Letters of credit for general purposes | 12 | 52
Bonds | 9,090,188 | 9,030,443
Other financial obligations |  |
Subtotal | 9,091,733 | 9,032,961
Subordinate bonds |  |
Total | 9,091,733 | 9,032,961
Level 3 [Member] |  |
Assets |  |
Cash and due from banks |  |
Transactions in the course of collection |  |
Subtotal |  |
Financial assets at amortized cost |  |
Rights by resale agreements and securities lending |  |
Debt financial instruments |  |
Loans and advances to Banks |  |
Domestic banks |  |
Central Bank of Chile |  |
Foreign banks | 412,662 | 369,526
Subtotal | 412,662 | 369,526
Loans to customers, net |  |
Commercial loans | 19,193,778 | 19,161,774
Residential mortgage loans | 11,656,071 | 11,138,046
Consumer loans | 5,025,163 | 4,608,041
Subtotal | 35,875,012 | 34,907,861
Total | 36,287,674 | 35,277,387
Liabilities |  |
Transactions in the course of payment |  |
Financial liabilities at amortized cost |  |
Current accounts and other demand deposits |  |
Saving accounts and time deposits | 15,536,406 | 14,342,841
Obligations by repurchase agreements and securities lending |  |
Borrowings from financial institutions | 5,152,776 | 4,844,427
Debt financial instruments issued |  |
Letters of credit for residential purposes |  |
Letters of credit for general purposes |  |
Bonds |  |
Other financial obligations | 339,327 | 363,809
Subtotal | 21,028,509 | 19,551,077
Subordinate bonds | 1,035,801 | 1,002,250
Total | $ 22,064,310 | $ 20,553,327

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