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Financial Liabilities at Amortised Cost (Details)
¥ in Millions, $ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
CLP ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2021
JPY (¥)
Financial Liabilities at Amortised Cost (Details) [Line Items]        
Loans from the Chilean Central Bank, Description The first line of credit was the Credit Facility Conditioned to Increase of Loans (FCIC), whose objective was for banks to continue financing households and companies’ loans. The FCIC1 amounted to US$24 billion for the whole banking system and has maturities of up to 4 years and must be secured by government bonds, corporate bonds or highly rated large commercial loans as collateral. The FCIC2 amounted to US$16 billion and was available only for banks which previously disbursed FCIC1. The FCIC3 was announced in January 2021 and amounted to US$10 billion. The second credit line was the Liquidity Credit line (LCL) and was an unsecured loan facility and had maturities of up to 2 years. In addition, the LCL was limited to the aggregate amount of the liquidity reserve requirements of each bank.      
Percentage of yearly interest yield 5.20% 5.21% 5.21% 5.21%
Placement of senior bonds   $ 3,000,000,000 $ 30,000,000 ¥ 347,000,000,000
Bank issued bonds, description   In 2021, the Bank issued bonds for UF 4,000,000, USD 693,000,000, JPY 25,000,000,000 and CHF 340,000,000, In 2021, the Bank issued bonds for UF 4,000,000, USD 693,000,000, JPY 25,000,000,000 and CHF 340,000,000, In 2021, the Bank issued bonds for UF 4,000,000, USD 693,000,000, JPY 25,000,000,000 and CHF 340,000,000,
Bottom of range [Member]        
Financial Liabilities at Amortised Cost (Details) [Line Items]        
Range of maturities period 5 years      
Top of range [Member]        
Financial Liabilities at Amortised Cost (Details) [Line Items]        
Range of maturities period 20 years