XML 172 R153.htm IDEA: XBRL DOCUMENT v3.19.1
Provisions - Maximum exposure to credit risk - Foreign office guarantees and standby letters of credit (Details) - Foreign office guarantees and standby letters of credit - CLP ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Contingencies and Commitments    
Maximum exposure to credit risk $ 341,676 $ 285,035
Normal    
Contingencies and Commitments    
Maximum exposure to credit risk 341,329 283,329
Substandard    
Contingencies and Commitments    
Maximum exposure to credit risk 347 $ 1,706
12-month expected credit losses | Financial instruments not credit-impaired | Individual    
Contingencies and Commitments    
Maximum exposure to credit risk 332,965  
12-month expected credit losses | Financial instruments not credit-impaired | Individual | Normal    
Contingencies and Commitments    
Maximum exposure to credit risk 332,965  
12-month expected credit losses | Financial instruments not credit-impaired | Group    
Contingencies and Commitments    
Maximum exposure to credit risk 138  
12-month expected credit losses | Financial instruments not credit-impaired | Group | Normal    
Contingencies and Commitments    
Maximum exposure to credit risk 138  
Lifetime expected credit losses | Financial instruments not credit-impaired | Individual    
Contingencies and Commitments    
Maximum exposure to credit risk 8,573  
Lifetime expected credit losses | Financial instruments not credit-impaired | Individual | Normal    
Contingencies and Commitments    
Maximum exposure to credit risk 8,226  
Lifetime expected credit losses | Financial instruments not credit-impaired | Individual | Substandard    
Contingencies and Commitments    
Maximum exposure to credit risk $ 347