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Net Financial Operating Income (Details) - CLP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Net Financial Operating Income [abstract] |  |  |
Net income on financial assets held-for-trading | $ 44,274 | $ 42,605 | $ 46,207
Gain (loss) from mark to market | 32,128 | 8,038 | 4,435
Financial assets held-for-trading | 76,402 | 50,643 | 50,642
Sale of financial assets at fair value through other comprehensive income | 4,789 | 1,118 | 6,514
Sale of loan portfolio |  | 267 | 2,063
Net (loss) gain of other transactions | (145) | 384 | 233
Derivative instruments | 32,391 | 64,730 | (89,113)
Total | $ 113,437 | $ 117,142 | $ (29,661)

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