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Net Financial Operating Income (Details) $ in Thousands, $ in Millions | 12 Months Ended
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Dec. 31, 2018 USD ($) | Dec. 31, 2018 CLP ($) | Dec. 31, 2017 CLP ($) | Dec. 31, 2016 CLP ($)
Net Financial Operating Income |  |  |  |
Income on trading securities |  | $ 42,605 | $ 46,207 | $ 42,415
Gain (loss) from mark to market |  | 8,038 | 4,435 | 9,554
Financial assets held-for-trading |  | 50,643 | 50,642 | 51,969
Sale of financial assets at fair value through other comprehensive income |  | 1,118 | 6,514 | 65,320
Sale of loan portfolio |  | 267 | 2,063 | 4,930
Net (loss) gain of other transactions |  | 384 | 233 | 752
Derivative instruments |  | 64,730 | (89,113) | 5,604
Total | $ 168,890 | $ 117,142 | $ (29,661) | $ 128,575

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- Definition Represents the amount of gains (losses) on loan portfolio sales. + References No definition available. + Details
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- Definition The amount of income from trading securities. + References No definition available. + Details
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