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Financial Assets at Amortized Cost (Details) - Schedule of loans to customer - CLP ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers $ 35,904,688 $ 33,592,377
Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 36,726,297 34,265,873
Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (821,609) (673,496) [1]
Commercial Loans [Memebr]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 15,632,744 15,729,292
Commercial Loans [Memebr] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 15,891,074 15,986,168
Commercial Loans [Memebr] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (258,330) (256,876) [1]
Chilean Exports Foreign Trade Loans [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 946,526 710,295
Chilean Exports Foreign Trade Loans [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 956,512 719,296
Chilean Exports Foreign Trade Loans [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (9,986) (9,001) [1]
Accrediting Foreign Trade Loans Negotiated in Terms of Chilean Imports [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 2,699 2,945
Accrediting Foreign Trade Loans Negotiated in Terms of Chilean Imports [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 2,715 2,950
Accrediting Foreign Trade Loans Negotiated in Terms of Chilean Imports [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (16) (5) [1]
Chilean Imports Foreign Trade Loans [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 688,411 543,385
Chilean Imports Foreign Trade Loans [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 698,595 549,459
Chilean Imports Foreign Trade Loans [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (10,184) (6,074) [1]
Current Account Debtors [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 168,465 141,488
Current Account Debtors [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 175,659 144,010
Current Account Debtors [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (7,194) (2,522) [1]
Credit Card Debtors [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 80,317 59,680
Credit Card Debtors [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 88,513 63,284
Credit Card Debtors [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (8,196) (3,604) [1]
Factoring Transactions [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 622,699 483,624
Factoring Transactions [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 628,546 486,282
Factoring Transactions [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (5,847) (2,658) [1]
Commercial Lease Transactions [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers [2] 1,769,010 1,587,974
Commercial Lease Transactions [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers [2] 1,782,081 1,612,776
Commercial Lease Transactions [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers [2] (13,071) (24,802) [1]
Student Loans [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 56,124 54,581
Student Loans [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 59,752 58,018
Student Loans [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (3,628) (3,437) [1]
Other loans and Accounts Receivable [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 20,283 40,227
Other loans and Accounts Receivable [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 25,298 50,089
Other loans and Accounts Receivable [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (5,015) (9,862) [1]
Commercial Loans Subtotal [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 19,987,278 19,353,491
Commercial Loans Subtotal [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 20,308,745 19,672,332
Commercial Loans Subtotal [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (321,467) (318,841) [1]
Mortgage Bonds [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 3,884 6,057
Mortgage Bonds [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 3,907 6,084
Mortgage Bonds [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (23) (27) [1]
Endorsable Mortgage Mutual Loans [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 14,527 17,718
Endorsable Mortgage Mutual Loans [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 14,604 17,784
Endorsable Mortgage Mutual Loans [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (77) (66) [1]
Mortgage Mutual Financed With Mortgage Bonds [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers
Mortgage Mutual Financed With Mortgage Bonds [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers
Mortgage Mutual Financed With Mortgage Bonds [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers [1]
Other Mortgage Mutual Loans [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 11,193,945 10,132,804
Other Mortgage Mutual Loans [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 11,242,986 10,169,889
Other Mortgage Mutual Loans [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (49,041) (37,085) [1]
Residential Lease Transactions [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers [2]
Residential Lease Transactions [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers [2]
Residential Lease Transactions [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers [2] [1]
Other Loans and Accounts Receivable [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 159,320 150,963
Other Loans and Accounts Receivable [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 160,825 152,771
Other Loans and Accounts Receivable [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (1,505) (1,808) [1]
Mortgage Loans Subtotal [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 11,371,676 10,307,542
Mortgage Loans Subtotal [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 11,422,322 10,346,528
Mortgage Loans Subtotal [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (50,646) (38,986) [1]
Consumer Loans in Installments [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 2,740,749 2,605,478
Consumer Loans in Installments [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 3,115,069 2,873,304
Consumer Loans in Installments [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (374,320) (267,826) [1]
Current Account Debtors [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 240,897 166,133
Current Account Debtors [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 253,409 172,623
Current Account Debtors [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (12,512) (6,490) [1]
Credit Card Debtors [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 1,563,452 1,159,090
Credit Card Debtors [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 1,625,210 1,199,407
Credit Card Debtors [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (61,758) (40,317) [1]
Consumer Lease Transactions [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers [2] 472 476
Consumer Lease Transactions [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers [2] 503 509
Consumer Lease Transactions [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers [2] (31) (33) [1]
Other Loans and Accounts Receivable [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 164 167
Other Loans and Accounts Receivable [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 1,039 1,170
Other Loans and Accounts Receivable [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers (875) (1,003) [1]
Consumer Loans Subtotal [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 4,545,734 3,931,344
Consumer Loans Subtotal [Member] | Gross carrying amount [member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers 4,995,230 4,247,013
Consumer Loans Subtotal [Member] | Accumulated Impairment [Member]    
Financial Assets at Amortized Cost (Details) - Schedule of loans to customer [Line Items]    
Loans to customers $ (449,496) $ (315,669) [1]
[1] Include an additional overlay related to the measures associated with the COVID-19 contingency for an amount equivalent to Ch$30,980 million. There is no additional overlay as of December 31, 2022.
[2] 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, 2022, Ch$910,492 million corresponds to financial leases for real estate (Ch$810,969 million in December 31, 2021) and Ch$872,092 million corresponds to financial leases for other assets (Ch$802,316 million in December 31, 2021).