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Risk Management - Credit Quality by Asset Class (Details) - CLP ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Credit Quality by Asset Class |  |
Total impaired loans | $ (780,818) | $ (868,077)
Normal portfolio | 99,126 | 113,912
Loans and advances to banks | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 760,285 | 1,173,446
Central Bank of Chile | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 350,916 | 700,341
Domestic banks | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 120,017 | 208,403
Foreign banks | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 289,352 | 264,702
Loans to customers | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 25,451,513 | 25,398,424
Commercial loans | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 13,960,818 | 14,499,035
Residential mortgage loans | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 7,477,236 | 6,924,766
Consumer loans | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 4,013,459 | 3,974,623
Individual Portfolio, Normal | Loans and advances to banks | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 760,285 | 1,173,446
Individual Portfolio, Normal | Central Bank of Chile | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 350,916 | 700,341
Individual Portfolio, Normal | Domestic banks | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 120,017 | 208,403
Individual Portfolio, Normal | Foreign banks | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 289,352 | 264,702
Individual Portfolio, Normal | Loans to customers | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 10,585,946 | 11,390,263
Individual Portfolio, Normal | Commercial loans | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 10,585,946 | 11,390,263
Individual Portfolio, Substandard |  |
Credit Quality by Asset Class |  |
Financial Assets | 101,253 | 196,815
Individual Portfolio, Substandard | Loans to customers | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 101,253 | 196,815
Individual Portfolio, Substandard | Commercial loans | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 101,253 | 196,815
Individual portfolio, non-complying |  |
Credit Quality by Asset Class |  |
Financial Assets | 161,914 | 201,790
Individual portfolio, non-complying | Loans to customers | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 161,914 | 201,790
Individual portfolio, non-complying | Commercial loans | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 161,914 | 201,790
Group Portfolio, Normal | Loans to customers | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 13,985,623 | 13,026,172
Group Portfolio, Normal | Commercial loans | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 2,908,182 | 2,518,008
Group Portfolio, Normal | Residential mortgage loans | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 7,316,969 | 6,784,614
Group Portfolio, Normal | Consumer loans | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 3,760,472 | 3,723,550
Group Portfolio, Non-complying |  |
Credit Quality by Asset Class |  |
Financial Assets | 616,777 | 583,384
Group Portfolio, Non-complying | Loans to customers | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 616,777 | 583,384
Group Portfolio, Non-complying | Commercial loans | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 203,523 | 192,159
Group Portfolio, Non-complying | Residential mortgage loans | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 160,267 | 140,152
Group Portfolio, Non-complying | Consumer loans | Gross Balance |  |
Credit Quality by Asset Class |  |
Financial Assets | 252,987 | 251,073
Individual and Group Portfolio, Normal, Substandard and Non-complying |  |
Credit Quality by Asset Class |  |
Financial Assets | $ 879,944 | $ 981,989

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