Available-for-sale financial assets [abstract]

Schedule of breakdown of the balance under the heading "Debt instruments at fair value through OCI

	2018		2019
	MCh$		MCh$
Instruments issued by the Chilean Government and Central Bank:
Bonds issued by the Chilean Government and Central Bank		135,145		76,358
Promissory notes issued by the Chilean Government and Central Bank		—		16,466
Other instruments		29,077		16,238

Other instruments issued in Chile:
Mortgage bonds from domestic banks		92,491		122,291
Bonds from domestic banks		5,351		15,927
Deposits from domestic banks		559,108		1,020,842
Bonds from other Chilean companies		6,599		1,395
Other instruments		107,125		68,476

Instruments issued by foreign institutions:
Other instruments		108,544		19,853
Total		1,043,440		1,357,846

Schedule of changes in the corresponding ECLs of debt instrument

	Stage 1 Individual						Stage 2 Individual						Stage 3 Individual				Total
	Fair value MCh$			ECL MCh$			Fair value MCh$			ECL MCh$			Fair value MCh$		ECL MCh$		Fair value MCh$			ECL MCh$
Balance as of January 1, 2018		1,516,063			5,820			—			—			—		—		1,516,063			5,820
Net change on Balance *		(515,343	)		(1,978	)		—			—			—		—		(515,343	)		(1,978	)
Change in fair value		14,162			—			—			—			—		—		14,162			—
Transfer to Stage 1		—			—			—			—			—		—		—			—
Transfer to Stage 2		—			—			—			—			—		—		—			—
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		—			258			—			—			—		—		—			258
Amounts written off		—			—			—			—			—		—		—			—
Foreign exchange adjustments		28,558			168			—			—			—		—		28,558			168
Balance as of December 31, 2018		1,043,440			4,268			—			—			—		—		1,043,440			4,268

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

*

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.

Schedule of unrealised gain and loss on available for sale investments

	2017			2018			2019
	MCh$			MCh$			MCh$
Net gain (loss) on financial assets before income tax ⁽¹⁾		4,775			(13,878	)		15,969
Tax (expense) benefit		(1,299	)		3,757			(4,328	)
Net of tax amount ⁽²⁾		3,476			(10,121	)		11,641

(1)

As of December 31, 2017, 2018 and 2019, realized gains reclassified to the income statement line item "Net financial operating income" amounted to Ch$5,149 million, Ch$400 million and Ch$4,716 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".