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Financial Assets at Fair Value through Other Comprehensive Income | 12 Months Ended
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Dec. 31, 2020
Available-for-sale financial assets [Abstract] |
Financial Assets at Fair Value through Other Comprehensive Income |
| 12. | Financial Assets at Fair Value through Other Comprehensive Income:
As of December 31, 2019 and 2020, financial assets are detailed as follows:
|  | 2019 |  |  | 2020 |
|  | MCh$ |  |  | MCh$ |
Debt instruments at fair value through OCI |  |  | 1,357,846 |  |  |  | 1,060,523 |
Equity instruments valued at fair value through OCI |  |  | 8,497 |  |  |  | 7,630 |
Total |  |  | 1,366,343 |  |  |  | 1,068,153 |
| (a) | Debt instruments at fair value through OCI:
| (a.1) | The breakdown of the balance under the heading “Debt instruments at fair value through OCI” as of December 31, 2019 and 2020 is, as follows:
|  | 2019 |  |  | 2020 |
|  | MCh$ |  |  | MCh$ |
Instruments issued by the Chilean Government and the Central Bank of Chile: |  |  |  |  |  |  |  |
Bonds issued by the Chilean Government and the Central Bank of Chile |  |  | 76,358 |  |  |  | 109 |
Promissory notes issued by the Chilean Government and the Central Bank of Chile |  |  | 16,466 |  |  |  | — |
Other instruments |  |  | 16,238 |  |  |  | 163,491 |
Other instruments issued in Chile: |  |  |  |  |  |  |  |
Mortgage bonds from domestic banks |  |  | 122,291 |  |  |  | 128,763 |
Bonds from domestic banks |  |  | 15,927 |  |  |  | 15,887 |
Deposits from domestic banks |  |  | 1,020,842 |  |  |  | 685,392 |
Bonds from other Chilean companies |  |  | 1,395 |  |  |  | 34,539 |
Other instruments |  |  | 68,476 |  |  |  | 32,342 |
Instruments issued by foreign institutions: |  |  |  |  |  |  |  |
Other instruments |  |  | 19,853 |  |  |  | — |
Total |  |  | 1,357,846 |  |  |  | 1,060,523 |
Instruments of the Government and the Central Bank of Chile include instruments sold under repurchase agreements to clients and financial institutions for an amount of Ch$13,268 million in December 2020. The repurchase agreements have an average maturity of 5 days in December 2020. As of December 31, 2019 there is no amount for this concept. Under the instruments issued abroad mainly include bonds of local companies issued abroad. As of December 31, 2020, the portfolio of financial assets at FVOCI includes a net unrealized gain of Ch$9,054 million, recorded in other comprehensive income within equity (Ch$15,290 million as of December 31, 2019). As of December 31, 2020 the impairment for debt instruments at Fair Value through OCI was Ch$3,084 million (Ch$7,736 million as of December 31, 2019).
| (a.2) | The credit ratings of the issuers of debt instruments as of December 31, 2019 and 2020, are as follows:
|  | As of December 31, 2019 |  |  | As of December 31, 2020 |
|  | Stage 1 Individual |  |  | Stage 2 Individual |  |  | Stage 3 Individual |  |  | Total Individual |  |  | Stage 1 Individual |  |  | Stage 2 Individual |  |  | Stage 3 Individual |  |  | Total Individual |
|  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |
Debt Instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment grade |  |  | 1,269,516 |  |  |  | — |  |  |  | — |  |  |  | 1,269,516 |  |  |  | 1,027,965 |  |  |  | 216 |  |  |  | — |  |  |  | 1,028,181 |
Non-investment grade |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Without rating |  |  | 88,330 |  |  |  | — |  |  |  | — |  |  |  | 88,330 |  |  |  | 32,342 |  |  |  | — |  |  |  | — |  |  |  | 32,342 |
Total |  |  | 1,357,846 |  |  |  | — |  |  |  | — |  |  |  | 1,357,846 |  |  |  | 1,060,307 |  |  |  | 216 |  |  |  | — |  |  |  | 1,060,523 |
| (a.3) | Analysis of changes in the fair value and corresponding allowance for ECL by stage for debt instruments measured at FVOCI as of December 31, 2019 and 2020, is as follows:
|  | Stage 1 Individual |  |  | Stage 2 Individual |  |  | Stage 3 Individual |  |  | Total |
|  | Fair value |  |  | ECL |  |  | Fair value |  |  | ECL |  |  | Fair value |  |  | ECL |  |  | Fair value |  |  | ECL |
|  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |
Balance as of January 1, 2019 |  |  | 1,043,440 |  |  |  | 4,268 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,043,440 |  |  |  | 4,268 |
Net change on Balance * |  |  | 275,797 |  |  |  | 327 |  |  |  | (19 | ) |  |  | (1 | ) |  |  | — |  |  |  | — |  |  |  | 275,778 |  |  |  | 326 |
Change in fair value |  |  | 32,995 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 32,995 |  |  |  | — |
Transfer to Stage 1 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Transfer to Stage 2 |  |  | (19 | ) |  |  | (1 | ) |  |  | 19 |  |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Transfer to Stage 3 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Impact on year-end ECL of exposures transferred between stages during the year ** |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Impact of net re-measurement of year-end ECL |  |  | — |  |  |  | 3,102 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,102 |
Amounts written off |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Foreign exchange adjustments |  |  | 5,633 |  |  |  | 40 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 5,633 |  |  |  | 40 |
Balance as of December 31, 2019 |  |  | 1,357,846 |  |  |  | 7,736 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,357,846 |  |  |  | 7,736 |
Balance as of January 1, 2020 |  |  | 1,357,846 |  |  |  | 7,736 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,357,846 |  |  |  | 7,736 |
Net change on Balance * |  |  | (306,649 | ) |  |  | 1,519 |  |  |  | (255 | ) |  |  | (7 | ) |  |  | — |  |  |  | — |  |  |  | (306,904 | ) |  |  | 1,512 |
Change in fair value |  |  | 14,217 |  |  |  | — |  |  |  | (6 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 14,211 |  |  |  | — |
Transfer to Stage 1 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Transfer to Stage 2 |  |  | (477 | ) |  |  | (12 | ) |  |  | 477 |  |  |  | 12 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Transfer to Stage 3 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Impact on year-end ECL of exposures transferred between stages during the year ** |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1 |
Impact of net re-measurement of year-end ECL |  |  | — |  |  |  | (6,120 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (6,120 | )
Amounts written off |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Foreign exchange adjustments |  |  | (4,630 | ) |  |  | (45 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (4,630 | ) |  |  | (45 | )
Balance as of December 31, 2020 |  |  | 1,060,307 |  |  |  | 3,078 |  |  |  | 216 |  |  |  | 6 |  |  |  | — |  |  |  | — |  |  |  | 1,060,523 |  |  |  | 3,084 |
| * | Net change between assets purchased and assets derecognized, excluding write offs.
| ** | Represents the change in the year-end ECLs of exposures that were transferred from one stage to another during the year.
| (b) | Equity instruments at fair value through OCI:
The breakdown of the balance under the heading “Equity instruments at fair value through OCI” as of December 31, 2019 and 2020 is as follows:
|  | 2019 |  |  | 2020 |
|  | MCh$ |  |  | MCh$ |
Equity instruments issued in Chile |  |  | 7,446 |  |  |  | 6,869 |
Equity instruments issued by foreign institutions |  |  | 1,051 |  |  |  | 761 |
Total |  |  | 8,497 |  |  |  | 7,630 |
The equity investments issued by foreign institutions represent shares of currency exchange offices and servicing companies that the Bank is obliged to hold in order to benefit from these services. Shares that do not have an active market and their value cannot be reliably measured are presented at cost, the difference between cost and fair value is not expected to be significant.
| (c) | Realized and unrealized profits:
Realized profits and losses are calculated as the proceeds from sales less the cost (specific identification method) of the investments identified as for sale and fair value through OCI. In addition, any unrealized profit or loss previously recorded in other comprehensive income for these investments is reclassified when recorded in the income statements. The gross gains (losses) realized in sale of financial instruments, as of December 31, 2018, 2019 and 2020, is recorded in the item “Net financial operating income” (Note No. 31). Change in profits and losses unrealized on the sale of debt instruments for the periods ended December 31, 2018, 2019 and 2020 are as follows:
|  | 2018 |  |  | 2019 |  |  | 2020 |
|  | MCh$ |  |  | MCh$ |  |  | MCh$ |
Net gain (loss) on financial assets before income tax (1) |  |  | (13,878 | ) |  |  | 15,969 |  |  |  | (8,540 | )
Tax (expense) benefit |  |  | 3,757 |  |  |  | (4,328 | ) |  |  | 2,304 |
Net of tax amount (2) |  |  | (10,121 | ) |  |  | 11,641 |  |  |  | (6,236 | )
| (1) | As of December 31, 2018, 2019 and 2020, realized gains reclassified to the income statement line item “Net financial operating income” amounted to Ch$400 million, Ch$4,716 million and Ch$22,735 million, respectively.
| (2) | This amount corresponds to the unrealized gain or loss, net of deferred tax and which are included in “Consolidated Statement of Changes in Equity”.

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