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Fair Value of Financial Assets and Liabilities (Details 4) - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Reconciliation of Changes in Fair Value Measurement, Assets |  |
As of January | $ 39,132,512 |
Total realized and unrealized profits (losses) |  |
As of December | 50,574,714 | $ 39,132,512
Reconciliation of Changes in Fair Value Measurement, Liabilities |  |
As of January | 35,887,052 |
Total realized and unrealized profits (losses) |  |
As of December | 47,096,211 | 35,887,052
Level 3 [Member] |  |
Reconciliation of Changes in Fair Value Measurement, Assets |  |
As of January | 80,781 | 22,987
Total realized and unrealized profits (losses) |  |
Included in statements of income | 827 | 57,769
Included in other comprehensive income | 70 | 25
Purchases, issuances, and loans (net) |  |
As of December | 81,678 | 80,781
Total profits or losses included in comprehensive income for 2019 that are attributable to change in unrealized profit (losses) related to assets or liabilities as of December 31, 2018 | 897 | 57,794
Reconciliation of Changes in Fair Value Measurement, Liabilities |  |
As of January | 795 | 7
Total realized and unrealized profits (losses) |  |
Included in statements of income | 2,155 | (802)
Included in other comprehensive income |  |
Purchases, issuances, and loans (net) |  |
As of December | 2,950 | 795
Total profits or losses included in comprehensive income for 2019 that are attributable to change in unrealized profit (losses) related to assets or liabilities as of December 31, 2018 | $ 2,155 | $ (802)

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