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Investments in Other Companies (Details) $ in Thousands, $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2017 CLP ($) | Dec. 31, 2016 CLP ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2017 CLP ($) | Dec. 31, 2015 CLP ($) | Dec. 31, 2014 CLP ($)
Associates and joint ventures |  |  |  |  |  |
Equity |  | $ 114,232 |  | $ 130,893 |  |
Book Value |  | 30,314 | $ 58,124 | 35,771 | $ 25,849 | $ 23,043
Income (Loss) | $ 5,511 | 4,019 |  |  |  |
Promarket S.A. |  |  |  |  |  |
Associates and joint ventures |  |  |  |  |  |
Loss recognized by subsidiary |  | 5 |  |  |  |
Joint Venture |  |  |  |  |  |
Associates and joint ventures |  |  |  |  |  |
Equity |  | 10,027 |  | 11,651 |  |
Book Value |  | 5,013 |  | 5,978 |  |
Income (Loss) | $ 1,207 | $ 850 |  |  |  |
Servipag Ltda. |  |  |  |  |  |
Associates and joint ventures |  |  |  |  |  |
Ownership Interest, Joint Ventures | 50.00% | 50.00% |  |  |  |
Equity |  | $ 8,596 |  | 9,997 |  |
Book Value |  | 4,298 |  | 4,999 |  |
Income (Loss) | $ 700 | $ 409 |  |  |  |
Artikos Chile S.A. |  |  |  |  |  |
Associates and joint ventures |  |  |  |  |  |
Ownership Interest, Joint Ventures | 50.00% | 50.00% |  |  |  |
Equity |  | $ 1,431 |  | 1,654 |  |
Book Value |  | 715 |  | 979 |  |
Income (Loss) | $ 507 | 441 |  |  |  |
Associates |  |  |  |  |  |
Associates and joint ventures |  |  |  |  |  |
Equity |  | 104,205 |  | 119,242 |  |
Book Value |  | 25,301 |  | 29,793 |  |
Income (Loss) | $ 4,304 | $ 3,169 |  |  |  |
Transbank S.A. |  |  |  |  |  |
Associates and joint ventures |  |  |  |  |  |
Ownership Interest, Associates | 26.16% | 26.16% |  |  |  |
Equity |  | $ 49,518 |  | 56,804 |  |
Book Value |  | 12,954 |  | 15,070 |  |
Income (Loss) | $ 2,117 | $ 1,363 |  |  |  |
Soc. Operadora de Tarjetas de Credito Nexus S.A. |  |  |  |  |  |
Associates and joint ventures |  |  |  |  |  |
Ownership Interest, Associates | 25.81% | 25.81% |  |  |  |
Equity |  | $ 10,809 |  | 13,781 |  |
Book Value |  | 2,789 |  | 3,822 |  |
Income (Loss) | $ 884 | $ 493 |  |  |  |
Administrador Financiero del Transantiago S.A. |  |  |  |  |  |
Associates and joint ventures |  |  |  |  |  |
Ownership Interest, Associates | 20.00% | 20.00% |  |  |  |
Equity |  | $ 13,907 |  | 15,490 |  |
Book Value |  | 2,782 |  | 3,098 |  |
Income (Loss) | $ 317 | $ 230 |  |  |  |
Redbanc S.A. |  |  |  |  |  |
Associates and joint ventures |  |  |  |  |  |
Ownership Interest, Associates | 38.13% | 38.13% |  |  |  |
Equity |  | $ 6,422 |  | 7,484 |  |
Book Value |  | 2,449 |  | 2,894 |  |
Income (Loss) | $ 403 | $ 425 |  |  |  |
Centro de Compensacion Automatizado S.A. |  |  |  |  |  |
Associates and joint ventures |  |  |  |  |  |
Ownership Interest, Associates | 33.33% | 33.33% |  |  |  |
Equity |  | $ 3,985 |  | 4,696 |  |
Book Value |  | 1,328 |  | 1,589 |  |
Income (Loss) | $ 236 | $ 248 |  |  |  |
Sociedad Imerc OTC S.A. |  |  |  |  |  |
Associates and joint ventures |  |  |  |  |  |
Ownership Interest, Associates | 12.33% | 12.33% |  |  |  |
Equity |  | $ 10,991 |  | 11,490 |  |
Book Value |  | 1,347 |  | 1,417 |  |
Income (Loss) | $ 66 | $ 135 |  |  |  |
Sociedad Interbancaria de Depositos de Valores S.A. |  |  |  |  |  |
Associates and joint ventures |  |  |  |  |  |
Ownership Interest, Associates | 26.81% | 26.81% |  |  |  |
Equity |  | $ 3,101 |  | 3,659 |  |
Book Value |  | 831 |  | 995 |  |
Income (Loss) | $ 215 | $ 175 |  |  |  |
Soc. Operadora de la Camara de Compensacion de Pagos de Alto Valor S.A. |  |  |  |  |  |
Associates and joint ventures |  |  |  |  |  |
Ownership Interest, Associates | 15.00% | 15.00% |  |  |  |
Equity |  | $ 5,472 |  | 5,838 |  |
Book Value |  | 821 |  | $ 908 |  |
Income (Loss) | $ 66 | $ 100 |  |  |  |

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