v3.25.1
Financial Assets at Amortized Cost - Schedule of Loans and Advances to Banks (Details) - CLP ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances $ 667,703 $ 2,519,931
Allowances established 1,988 1,341
Net assets 665,715 2,518,590
Interbank loans of liquidity [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets 299,147
Interbank loans of liquidity [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Interbank loans commercial [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Interbank loans commercial [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets 268,388 204,801
Current accounts overdrafts [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Current accounts overdrafts [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Chilean exports foreign trade loans [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Chilean exports foreign trade loans [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets 98,180 212,856
Chilean imports foreign trade loans [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Chilean imports foreign trade loans [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Credits with third countries [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Credits with third countries [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Non-transferable deposits in domestic banks [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Other debts with domestic banks [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Current account deposits with foreign banks for derivatives transactions [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Other non-transferable deposits with foreign banks [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Other debts with foreign banks [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Subtotal Domestic and Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets 665,715 417,657
Current account deposits for derivative transactions with a counterparty [Member] | Central Bank of Chile [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Other deposits not available [Member] | Central Bank of Chile [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets 2,100,933
Other deposits not available [Member] | Foreign Central Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Other receivables [Member] | Central Bank of Chile [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Other receivables [Member] | Foreign Central Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Current account deposits for derivatives transactions [Member] | Foreign Central Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets
Subtotal Central Bank of Chile and Foreign Central Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Net assets 2,100,933
Assets before Allowances [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances 667,703 2,519,931
Assets before Allowances [Member] | Interbank loans of liquidity [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances 300,042
Assets before Allowances [Member] | Interbank loans of liquidity [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Interbank loans commercial [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Interbank loans commercial [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances 269,191 205,362
Assets before Allowances [Member] | Current accounts overdrafts [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Current accounts overdrafts [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Chilean exports foreign trade loans [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Chilean exports foreign trade loans [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances 98,470 213,636
Assets before Allowances [Member] | Chilean imports foreign trade loans [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Chilean imports foreign trade loans [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Credits with third countries [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Credits with third countries [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Non-transferable deposits in domestic banks [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Other debts with domestic banks [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Current account deposits with foreign banks for derivatives transactions [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Other non-transferable deposits with foreign banks [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Other debts with foreign banks [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Subtotal Domestic and Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances 667,703 418,998
Assets before Allowances [Member] | Current account deposits for derivative transactions with a counterparty [Member] | Central Bank of Chile [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Other deposits not available [Member] | Central Bank of Chile [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances 2,100,933
Assets before Allowances [Member] | Other deposits not available [Member] | Foreign Central Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Other receivables [Member] | Central Bank of Chile [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Other receivables [Member] | Foreign Central Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Current account deposits for derivatives transactions [Member] | Foreign Central Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances
Assets before Allowances [Member] | Subtotal Central Bank of Chile and Foreign Central Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Assets before Allowances 2,100,933
Allowances established [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established (1,988) (1,341)
Allowances established [Member] | Interbank loans of liquidity [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established (895)
Allowances established [Member] | Interbank loans of liquidity [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Interbank loans commercial [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Interbank loans commercial [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established (803) (561)
Allowances established [Member] | Current accounts overdrafts [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Current accounts overdrafts [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Chilean exports foreign trade loans [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Chilean exports foreign trade loans [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established (290) (780)
Allowances established [Member] | Chilean imports foreign trade loans [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Chilean imports foreign trade loans [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Credits with third countries [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Credits with third countries [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Non-transferable deposits in domestic banks [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Other debts with domestic banks [Member] | Domestic Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Current account deposits with foreign banks for derivatives transactions [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Other non-transferable deposits with foreign banks [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Other debts with foreign banks [Member] | Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Subtotal Domestic and Foreign Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established (1,988) (1,341)
Allowances established [Member] | Current account deposits for derivative transactions with a counterparty [Member] | Central Bank of Chile [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Other deposits not available [Member] | Central Bank of Chile [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Other deposits not available [Member] | Foreign Central Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Other receivables [Member] | Central Bank of Chile [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Other receivables [Member] | Foreign Central Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Current account deposits for derivatives transactions [Member] | Foreign Central Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established
Allowances established [Member] | Subtotal Central Bank of Chile and Foreign Central Banks [Member]    
Schedule of Loans and Advances to Banks [Line Items]    
Allowances established