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SEGMENTAL INFORMATION (Details 2) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Disclosure of geographical areas [line items] |  |  |
Income from ordinary activities | $ 9,613,907 | $ 8,988,340 | $ 9,740,045
Other operating income | 549,889 | 538,748 | 385,781
Peru |  |  |
Disclosure of geographical areas [line items] |  |  |
Income from ordinary activities | 626,316 | 627,215 | 681,340
Argentina |  |  |
Disclosure of geographical areas [line items] |  |  |
Income from ordinary activities | 1,113,467 | 1,030,973 | 979,324
U.S.A. |  |  |
Disclosure of geographical areas [line items] |  |  |
Income from ordinary activities | 900,413 | 933,130 | 1,025,475
Europe |  |  |
Disclosure of geographical areas [line items] |  |  |
Income from ordinary activities | 676,282 | 714,436 | 723,062
Colombia |  |  |
Disclosure of geographical areas [line items] |  |  |
Income from ordinary activities | 359,276 | 343,001 | 353,007
Brazil |  |  |
Disclosure of geographical areas [line items] |  |  |
Income from ordinary activities | 3,436,402 | 2,974,234 | 3,464,297
Ecuador |  |  |
Disclosure of geographical areas [line items] |  |  |
Income from ordinary activities | 190,268 | 198,171 | 238,500
Chili |  |  |
Disclosure of geographical areas [line items] |  |  |
Income from ordinary activities | 1,527,158 | 1,512,570 | 1,575,519
Asia Pacific and rest of Latin America |  |  |
Disclosure of geographical areas [line items] |  |  |
Income from ordinary activities | $ 784,325 | $ 654,610 | $ 699,521

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