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Administrative Expenses (Details) - Schedule of administrative expenses - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
General administrative expenses      
Information technology and communications $ 123,810 $ 109,026 $ 99,763
Maintenance and repair of property and equipment 42,157 39,679 48,218
External advisory services and professional services fees 15,267 16,819 13,194
Surveillance and securities transport services 12,996 13,229 10,787
Office supplies 9,288 8,093 11,094
Insurance premiums except to cover operational risk events 8,465 7,621 8,273
Energy, heating and other utilities 5,307 4,445 5,556
External service of financial information and fraud prevention 4,614 6,297 5,912
Postal box, mail, postage and home delivery services 4,372 4,718 4,218
External service of custody of documentation 3,846 3,094 3,359
Legal and notary expenses 3,733 4,308 4,182
Other expenses of obligations for lease contracts 3,731 4,227 2,684
Expenses for short-term leases 2,782 3,371 4,196
Representation and travel expenses 2,449 2,703 2,780
Fees for other technical reports 799 729 639
Fees for review and audit of the financial statements by the external auditor 777 657 751
Expenses for leases low value 491 453 533
Fines applied by other agencies 211 152 66
Other general administrative expenses 14,214 7,945 7,313
Outsource services      
Technological developments expenses, certification and technology testing 17,939 17,526 17,433
Data processing 8,385 9,407 9,333
External credit evaluation service 5,208 4,958 12,241
External human resources administration services and supply of external personnel 1,438 1,108 2,000
External cleaning service, casino, custody of files and documents, storage of furniture and equipment 358 355 435
Call Center service for sales, marketing, quality control customer service 92 103
Board expenses      
Board of Directors Compensation 3,095 2,889 2,795
Other Board expenses 102 16 30
Marketing 37,233 30,652 23,561
Taxes, contributions and other legal charges      
Contribution to the banking regulator 13,566 11,968 11,408
Real estate contributions 4,727 4,852 4,054
Taxes other than income tax 2,207 1,785 789
Municipal patents 1,568 1,395 1,240
Other legal charges 47 45 44
Total $ 355,274 $ 324,625 $ 318,881