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Derivative Instruments and Accounting Hedges (Tables) | 12 Months Ended
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Dec. 31, 2017
Derivative Instruments and Accounting Hedges |
Schedule of Bank's portfolio of derivative instruments |
|  | As of December 31, 2016 |
|  | Notional amount |  | Fair value |
|  | contract |  | Asset |  | Liability |
|  | MCh$ |  | MCh$ |  | MCh$ |
Derivatives held for hedging of fair value |  |  |  |  |  |  |
Cross currency swap |  | 16,721 |  | — |  | 4,304 |
Interest rate swap |  | 122,081 |  | 218 |  | 5,989 |
Total derivatives held for hedging purposes |  | 138,802 |  | 218 |  | 10,293 |
Derivatives held as cash flow hedges |  |  |  |  |  |  |
Interest rate swap and cross currency swap |  | 1,198,001 |  | 63,482 |  | 45,722 |
Total Derivatives held as cash flow hedges |  | 1,198,001 |  | 63,482 |  | 45,722 |
Derivatives held-for-trading purposes |  |  |  |  |  |  |
Currency forward |  | 22,834,923 |  | 163,716 |  | 136,101 |
Cross currency swap |  | 9,142,390 |  | 455,784 |  | 525,160 |
Interest rate swap |  | 34,896,973 |  | 253,307 |  | 246,415 |
Call currency options |  | 174,060 |  | 1,558 |  | 1,960 |
Put currency options |  | 122,709 |  | 1,584 |  | 858 |
Total derivatives held-for-trading purposes |  | 67,171,055 |  | 875,949 |  | 910,494 |
Total |  | 68,507,858 |  | 939,649 |  | 966,509 |
|  | As of December 31, 2017 |
|  | Notional amount |  | Fair value |
|  | contract |  | Asset |  | Liability |
|  | MCh$ |  | MCh$ |  | MCh$ |
Derivatives held for hedging of fair value |  |  |  |  |  |  |
Cross currency swap |  | 13,914 |  | — |  | 3,652 |
Interest rate swap |  | 78,970 |  | 277 |  | 1,678 |
Total derivatives held for hedging purposes |  | 92,884 |  | 277 |  | 5,330 |
Derivatives held as cash flow hedges |  |  |  |  |  |  |
Interest rate swap and cross currency swap |  | 1,148,561 |  | 27,572 |  | 80,888 |
Total Derivatives held as cash flow hedges |  | 1,148,561 |  | 27,572 |  | 80,888 |
Derivatives held-for-trading purposes |  |  |  |  |  |  |
Currency forward |  | 29,451,333 |  | 506,614 |  | 574,931 |
Interest rate forward |  | 14,000 |  | — |  | 206 |
Interest rate swap |  | 55,617,104 |  | 243,931 |  | 236,954 |
Cross currency swap |  | 11,281,240 |  | 466,192 |  | 490,811 |
Call currency options |  | 153,776 |  | 514 |  | 472 |
Put currency options |  | 145,873 |  | 2,841 |  | 3,403 |
Total derivatives held-for-trading purposes |  | 96,663,326 |  | 1,220,092 |  | 1,306,777 |
Total |  | 97,904,771 |  | 1,247,941 |  | 1,392,995 |
Schedule of Details of the Hedged elements and hedge instruments under fair value hedges |
|  | As of December 31, |
|  | 2016 |  | 2017 |
|  | MCh$ |  | MCh$ |
Notional Amounts |  |  |  |  |
Hedged element |  |  |  |  |
Commercial loans |  | 16,721 |  | 13,914 |
Corporate bonds |  | 122,081 |  | 78,970 |
Hedge instrument |  |  |  |  |
Cross currency swap |  | 16,721 |  | 13,914 |
Interest rate swap |  | 122,081 |  | 78,970 |
Schedule of cash flows of borrowings from banks and bonds issued abroad, the objects of these hedges and the cash flows of the asset part of the derivative |
|  | 2016 |
|  | 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 |
|  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |
Hedge item |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outflows: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate Bond EUR |  | — |  | — |  | (552 | ) | (1,105 | ) | (1,105 | ) | (35,467 | ) | (38,229 | )
Corporate Bond HKD |  | — |  | — |  | (12,144 | ) | (76,922 | ) | (21,084 | ) | (338,517 | ) | (448,667 | )
Corporate Bond PEN |  | — |  | — |  | (15,614 | ) | — |  | — |  | — |  | (15,614 | )
Corporate Bond CHF |  | — |  | (1,031 | ) | (87,308 | ) | (370,926 | ) | (495 | ) | (99,748 | ) | (559,508 | )
Obligation USD |  | (531 | ) | — |  | (115,113 | ) | (101,478 | ) | — |  | — |  | (217,122 | )
Corporate Bond JPY |  | — |  | (306 | ) | (623 | ) | (46,415 | ) | (29,418 | ) | (28,866 | ) | (105,628 | )
Hedge instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Inflows: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cross Currency Swap EUR |  | — |  | — |  | 552 |  | 1,105 |  | 1,105 |  | 35,467 |  | 38,229 |
Cross Currency Swap HKD |  | — |  | — |  | 12,144 |  | 76,922 |  | 21,084 |  | 338,517 |  | 448,667 |
Cross Currency Swap PEN |  | — |  | — |  | 15,614 |  | — |  | — |  | — |  | 15,614 |
Cross Currency Swap CHF |  | — |  | 1,031 |  | 87,308 |  | 370,926 |  | 495 |  | 99,748 |  | 559,508 |
Cross Currency Swap USD |  | 531 |  | — |  | 115,113 |  | 101,478 |  | — |  | — |  | 217,122 |
Cross Currency Swap JPY |  | — |  | 306 |  | 623 |  | 46,415 |  | 29,418 |  | 28,866 |  | 105,628 |
Net cash flow |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Schedule of contractual maturity of financial liabilities |
|  | 2017 |
|  | 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 |
|  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |
Hedge item |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outflows: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate Bond EUR |  | — |  | — |  | (1,246 | ) | (2,491 | ) | (2,491 | ) | (82,348 | ) | (88,576 | )
Corporate Bond HKD |  | — |  | — |  | (11,052 | ) | (68,634 | ) | (19,202 | ) | (298,776 | ) | (397,664 | )
Corporate Bond PEN |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Corporate Bond CHF |  | — |  | (986 | ) | (161,529 | ) | (192,519 | ) | (474 | ) | (95,174 | ) | (450,682 | )
Obligation USD |  | (212 | ) | (235 | ) | (93,173 | ) | (43,385 | ) | — |  | — |  | (137,005 | )
Corporate Bond JPY |  | — |  | (292 | ) | (1,150 | ) | (72,098 | ) | (28,886 | ) | (63,002 | ) | (165,428 | )
Hedge instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Inflows: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cross Currency Swap EUR |  | — |  | — |  | 1,246 |  | 2,491 |  | 2,491 |  | 82,348 |  | 88,576 |
Cross Currency Swap HKD |  | — |  | — |  | 11,052 |  | 68,634 |  | 19,202 |  | 298,776 |  | 397,664 |
Cross Currency Swap PEN |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Cross Currency Swap CHF |  | — |  | 986 |  | 161,529 |  | 192,519 |  | 474 |  | 95,174 |  | 450,682 |
Cross Currency Swap USD |  | 212 |  | 235 |  | 93,173 |  | 43,385 |  | — |  | — |  | 137,005 |
Cross Currency Swap JPY |  | — |  | 292 |  | 1,150 |  | 72,098 |  | 28,886 |  | 63,002 |  | 165,428 |
Net cash flow |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
|  | 2016 |
|  | 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 |
|  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |
Hedge item |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Inflows: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flow in CLF |  | 1,155 |  | 2,304 |  | 232,833 |  | 592,204 |  | 54,094 |  | 470,207 |  | 1,352,797 |
Hedge instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outflows: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cross Currency Swap HKD |  | — |  | — |  | (9,253 | ) | (66,278 | ) | (16,091 | ) | (288,322 | ) | (379,944 | )
Cross Currency Swap PEN |  | — |  | — |  | (16,588 | ) | — |  | — |  | — |  | (16,588 | )
Cross Currency Swap JPY |  | — |  | (1,043 | ) | (1,867 | ) | (52,107 | ) | (32,878 | ) | (30,761 | ) | (118,656 | )
Cross Currency Swap USD |  | — |  | — |  | (114,210 | ) | (108,690 | ) | — |  | — |  | (222,900 | )
Cross Currency Swap CHF |  | (1,155 | ) | (1,261 | ) | (89,876 | ) | (363,045 | ) | (3,560 | ) | (109,592 | ) | (568,489 | )
Cross Currency Swap EUR |  | — |  | — |  | (1,039 | ) | (2,084 | ) | (1,565 | ) | (41,532 | ) | (46,220 | )
Net cash flow |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
|  | 2017 |
|  | 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 |
|  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |
Hedge item |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Inflows: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flow in CLF |  | — |  | 2,344 |  | 281,377 |  | 414,764 |  | 59,737 |  | 555,461 |  | 1,313,683 |
Hedge instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outflows: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cross Currency Swap HKD |  | — |  | — |  | (9,404 | ) | (66,188 | ) | (16,365 | ) | (285,066 | ) | (377,023 | )
Cross Currency Swap PEN |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Cross Currency Swap JPY |  | — |  | (1,061 | ) | (3,372 | ) | (85,598 | ) | (35,063 | ) | (77,895 | ) | (202,989 | )
Cross Currency Swap USD |  | — |  | — |  | (111,077 | ) | (44,840 | ) | — |  | — |  | (155,917 | )
Cross Currency Swap CHF |  | — |  | (1,283 | ) | (155,767 | ) | (214,620 | ) | (4,793 | ) | (107,870 | ) | (484,333 | )
Cross Currency Swap EUR |  | — |  | — |  | (1,757 | ) | (3,518 | ) | (3,516 | ) | (84,630 | ) | (93,421 | )
Net cash flow |  | — |  | — |  | — |  | — |  | — |  | — |  | — |

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