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Cash collateral on securities and reverse repurchase agreements (Tables) | 12 Months Ended
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Dec. 31, 2017
Cash collateral on securities and reverse repurchase agreements |
Schedule of receivables from repurchase agreements and security borrowing | As of December 31, 2016 and 2017, the Bank has the following receivables resulting from such transactions:
|  | Up to 1 month |  | Over 1 month and up to 3 months |  | Over 3 months and up to 12 months |  | Over 1 year and up to 3 years |  | Over 3 years and up to 5 years |  | Over 5 years |  | Total |
|  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |
|  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |
Instruments issued by the Chilean Government and Central Bank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Central Bank bonds |  | — |  | 4,114 |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 4,114 |
Central Bank promissory notes |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Other instruments issued by the Chilean Government and Central Bank |  | — |  | 2,576 |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 2,576 |
Other Instruments Issued in Chile |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deposit promissory notes from domestic banks |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Mortgage bonds from domestic banks |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Bonds from domestic banks |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Deposits in domestic banks |  | — |  | 13,297 |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 13,297 |
Bonds from other Chilean companies |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Other instruments issued in Chile |  | 30,963 |  | 47,357 |  | 21,967 |  | 19,207 |  | 2,773 |  | 5,090 |  | — |  | — |  | — |  | — |  | — |  | — |  | 55,703 |  | 71,654 |
Instruments issued by foreign institutions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Instruments from foreign governments or Central Bank |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Other instruments |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Total |  | 30,963 |  | 67,344 |  | 21,967 |  | 19,207 |  | 2,773 |  | 5,090 |  | — |  | — |  | — |  | — |  | — |  | — |  | 55,703 |  | 91,641 |
Schedule of Payables by Selling financial instruments and Security Repurchase commitment | As of December 31, 2016 and 2017, the Bank has the following payables resulting from such transactions:
|  | Up to 1 month |  | Over 1 month and up to 3 months |  | Over 3 months and up to 12 months |  | Over 1 year and up to 3 years |  | Over 3 years and up to 5 years |  | Over 5 years |  | Total |
|  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |
|  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |
Instruments issued by the Chilean Government and Central Bank of Chile |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Central Bank bonds |  | 10,568 |  | 5,169 |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 10,568 |  | 5,169 |
Central Bank promissory notes |  | 16,165 |  | 5,095 |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 16,165 |  | 5,095 |
Other instruments issued by the Chilean Government and Central Bank |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Other Instruments Issued in Chile |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deposit promissory notes from domestic banks |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Mortgage bonds from domestic banks |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Bonds from domestic banks |  | — |  | 2,013 |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 2,013 |
Deposits in domestic banks |  | 174,078 |  | 114,359 |  | 16,006 |  |  |  | — |  | 56,762 |  | — |  | — |  | — |  | — |  | — |  | — |  | 190,084 |  | 171,121 |
Bonds from other Chilean companies |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Other instruments issued in Chile |  | — |  | 11,994 |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 11,994 |
Instruments issued by foreign institutions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Instruments from foreign governments or Central Bank |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Other instruments |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Total |  | 200,811 |  | 138,630 |  | 16,006 |  | — |  | — |  | 56,762 |  | — |  | — |  | — |  | — |  | — |  | — |  | 216,817 |  | 195,392 |

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