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Financial Assets at Amortized Cost - Schedule of Loans to Customer (Details) - CLP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | $ 38,242,862 | $ 36,941,087
Commercial Loans [Memebr] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 14,958,447 | 15,302,825
Chilean Exports Foreign Trade Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 1,440,818 | 1,129,411
Accrediting Foreign Trade Loans Negotiated in Terms of Chilean Imports [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 160 | 92
Chilean Imports Foreign Trade Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 552,644 | 574,874
Current Account Debtors [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 190,402 | 180,241
Credit Card Debtors [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 114,348 | 96,777
Factoring Transactions [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 593,156 | 598,848
Commercial Lease Transactions [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers | [1] | 1,980,986 | 1,811,250
Student Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 50,049 | 54,179
Other loans and Accounts Receivable [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 12,402 | 21,906
Commercial Loans Subtotal [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 19,893,412 | 19,770,403
Mortgage Bonds [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 1,393 | 2,490
Endorsable Mortgage Mutual Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 11,025 | 11,287
Mortgage Mutual Financed With Mortgage Bonds [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  |  |
Other Mortgage Mutual Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 13,022,165 | 12,100,720
Residential Lease Transactions [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers | [1] |  |
Other Loans and Accounts Receivable [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 163,112 | 162,769
Mortgage Loans Subtotal [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 13,197,695 | 12,277,266
Consumer Loans in Installments [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 2,922,408 | 2,833,068
Current Account Debtors [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 267,536 | 263,753
Credit Card Debtors [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 1,961,289 | 1,795,983
Consumer Lease Transactions [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers | [1] | 305 | 360
Other Loans and Accounts Receivable [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 217 | 254
Consumer Loans Subtotal [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 5,151,755 | 4,893,418
Gross Carrying Amount [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 38,936,296 | 37,651,274
Gross Carrying Amount [Member] | Commercial Loans [Memebr] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 15,147,886 | 15,500,934
Gross Carrying Amount [Member] | Chilean Exports Foreign Trade Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 1,449,806 | 1,138,316
Gross Carrying Amount [Member] | Accrediting Foreign Trade Loans Negotiated in Terms of Chilean Imports [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 162 | 94
Gross Carrying Amount [Member] | Chilean Imports Foreign Trade Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 562,650 | 583,013
Gross Carrying Amount [Member] | Current Account Debtors [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 196,819 | 186,515
Gross Carrying Amount [Member] | Credit Card Debtors [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 128,671 | 107,766
Gross Carrying Amount [Member] | Factoring Transactions [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 596,935 | 603,354
Gross Carrying Amount [Member] | Commercial Lease Transactions [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers | [1] | 1,991,663 | 1,822,495
Gross Carrying Amount [Member] | Student Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 52,511 | 56,923
Gross Carrying Amount [Member] | Other loans and Accounts Receivable [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 20,877 | 30,634
Gross Carrying Amount [Member] | Commercial Loans Subtotal [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 20,147,980 | 20,030,044
Gross Carrying Amount [Member] | Mortgage Bonds [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 1,400 | 2,500
Gross Carrying Amount [Member] | Endorsable Mortgage Mutual Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 11,071 | 11,327
Gross Carrying Amount [Member] | Mortgage Mutual Financed With Mortgage Bonds [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  |  |
Gross Carrying Amount [Member] | Other Mortgage Mutual Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 13,056,028 | 12,132,671
Gross Carrying Amount [Member] | Residential Lease Transactions [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers | [1] |  |
Gross Carrying Amount [Member] | Other Loans and Accounts Receivable [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 164,828 | 164,270
Gross Carrying Amount [Member] | Mortgage Loans Subtotal [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 13,233,327 | 12,310,768
Gross Carrying Amount [Member] | Consumer Loans in Installments [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 3,255,475 | 3,182,932
Gross Carrying Amount [Member] | Current Account Debtors [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 284,207 | 270,974
Gross Carrying Amount [Member] | Credit Card Debtors [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 2,013,622 | 1,854,678
Gross Carrying Amount [Member] | Consumer Lease Transactions [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers | [1] | 320 | 380
Gross Carrying Amount [Member] | Other Loans and Accounts Receivable [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 1,365 | 1,498
Gross Carrying Amount [Member] | Consumer Loans Subtotal [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | 5,554,989 | 5,310,462
Accumulated Impairment [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (693,434) | (710,187)
Accumulated Impairment [Member] | Commercial Loans [Memebr] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (189,439) | (198,109)
Accumulated Impairment [Member] | Chilean Exports Foreign Trade Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (8,988) | (8,905)
Accumulated Impairment [Member] | Accrediting Foreign Trade Loans Negotiated in Terms of Chilean Imports [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (2) | (2)
Accumulated Impairment [Member] | Chilean Imports Foreign Trade Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (10,006) | (8,139)
Accumulated Impairment [Member] | Current Account Debtors [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (6,417) | (6,274)
Accumulated Impairment [Member] | Credit Card Debtors [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (14,323) | (10,989)
Accumulated Impairment [Member] | Factoring Transactions [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (3,779) | (4,506)
Accumulated Impairment [Member] | Commercial Lease Transactions [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers | [1] | (10,677) | (11,245)
Accumulated Impairment [Member] | Student Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (2,462) | (2,744)
Accumulated Impairment [Member] | Other loans and Accounts Receivable [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (8,475) | (8,728)
Accumulated Impairment [Member] | Commercial Loans Subtotal [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (254,568) | (259,641)
Accumulated Impairment [Member] | Mortgage Bonds [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (7) | (10)
Accumulated Impairment [Member] | Endorsable Mortgage Mutual Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (46) | (40)
Accumulated Impairment [Member] | Mortgage Mutual Financed With Mortgage Bonds [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  |  |
Accumulated Impairment [Member] | Other Mortgage Mutual Loans [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (33,863) | (31,951)
Accumulated Impairment [Member] | Residential Lease Transactions [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers | [1] |  |
Accumulated Impairment [Member] | Other Loans and Accounts Receivable [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (1,716) | (1,501)
Accumulated Impairment [Member] | Mortgage Loans Subtotal [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (35,632) | (33,502)
Accumulated Impairment [Member] | Consumer Loans in Installments [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (333,067) | (349,864)
Accumulated Impairment [Member] | Current Account Debtors [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (16,671) | (7,221)
Accumulated Impairment [Member] | Credit Card Debtors [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (52,333) | (58,695)
Accumulated Impairment [Member] | Consumer Lease Transactions [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers | [1] | (15) | (20)
Accumulated Impairment [Member] | Other Loans and Accounts Receivable [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | (1,148) | (1,244)
Accumulated Impairment [Member] | Consumer Loans Subtotal [Member] |  |  |
Schedule of Loans to Customer [Line Items] |  |  |
Loans to customers |  | $ (403,234) | $ (417,044)
[1] | In this item, the Bank finances its clients’ purchases of assets, including real estate and other personal property, through financial lease agreements. As of December 31, 2024, Ch$993,167 million corresponds to financial leases for real estate (Ch$922,174 million in December 31, 2023) and Ch$998,816 million corresponds to financial leases for other assets (Ch$900,701 million in December 31, 2023).

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