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Derivative Instruments and Accounting Hedges (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure of derivative financial instruments [text block] [Abstract]

Schedule of bank's portfolio of derivative instruments

		As of December 31, 2019
		Notional amount				Fair value
		contract				Asset				Liability
		MCh$				MCh$				MCh$
Derivatives held for hedging of fair value
Cross currency swap			8,166				—				2,547
Interest rate swap			86,317				32				6,739
Total derivatives held for hedging purposes			94,483				32				9,286
Derivatives held as cash flow hedges
Interest rate swap and cross currency swap			1,181,882				61,562				34,443
Total Derivatives held as cash flow hedges			1,181,882				61,562				34,443

Derivatives held-for-trading purposes
Currency forward			34,499,472				956,632				673,932
Interest rate swap			61,411,254				888,581				886,963
Cross currency swap and interest rate swap			18,575,756				873,371				1,210,059
Call currency options			178,414				4,961				1,529
Put currency options			158,672				1,076				2,209
Total derivatives held-for-trading purposes			114,823,568				2,724,621				2,774,692
Total			116,099,933				2,786,215				2,818,421

		As of December 31, 2020
		Notional amount				Fair value
		contract				Asset				Liability
		MCh$				MCh$				MCh$
Derivatives held for hedging of fair value
Cross currency swap			5,031				—				1,646
Interest rate swap			29,508				—				4,873
Total derivatives held for hedging purposes			34,539				—				6,519
Derivatives held as cash flow hedges
Interest rate swap and cross currency swap			1,217,457				51,062				65,172
Total Derivatives held as cash flow hedges			1,217,457				51,062				65,172

Derivatives held-for-trading purposes
Currency forward			21,751,181				551,964				637,164
Interest rate swap			44,189,444				1,167,416				1,189,828
Cross currency swap and interest rate swap			18,893,219				845,831				940,565
Call currency options			71,914				269				306
Put currency options			57,395				1,462				2,099
Total derivatives held-for-trading purposes			84,963,153				2,566,942				2,769,962
Total			86,215,149				2,618,004				2,841,653

Schedule of Details of the Hedged elements and hedge instruments under fair value hedges

		As of December 31,
		2019				2020
		MCh$				MCh$
Notional Amounts
Hedged element
Commercial loans			8,166				5,031
Corporate bonds			86,317				29,508

Hedge instrument
Cross currency swap			8,166				5,031
Interest rate swap			86,317				29,508

Schedule of cash flows of borrowings from banks and bonds issued abroad

		Up to 1 month								Over 1 month and up to 3 months								Over 3 months and up to 12 months								Over 1 year and up to 3 years								Over 3 years and up to 5 years								Over 5 years								Total
		2019				2020				2019				2020				2019				2020				2019				2020				2019				2020				2019				2020				2019				2020
		MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$
Hedge element
Outflows:
Corporate Bond EUR			—				—				—				—				(1,421	)			(1,473	)			(2,842	)			(2,946	)			(2,842	)			(44,037	)			(91,089	)			(51,871	)			(98,194	)			(100,327	)
Corporate Bond HKD			—				—				—				—				(12,829	)			(13,352	)			(25,627	)			(90,988	)			(91,034	)			(78,369	)			(320,604	)			(269,894	)			(450,094	)			(452,603	)
Corporate Bond PEN			—				—				(894	)			(775	)			(894	)			(775	)			(3,575	)			(3,098	)			(3,575	)			(3,098	)			(49,651	)			(41,484	)			(58,589	)			(49,230	)
Corporate Bond CHF			—				—				—				—				(798	)			(829	)			(1,597	)			(94,332	)			(90,095	)			(121,182	)			(116,765	)			—				(209,255	)			(216,343	)
Corporate Bond USD			—				—				—				—				(1,600	)			(1,515	)			(3,200	)			(3,030	)			(3,200	)			(3,030	)			(43,994	)			(40,140	)			(51,994	)			(47,715	)
Obligation USD			(216	)			(202	)			(336	)			(76	)			(884	)			(157,455	)			(166,592	)			—				—				—				—				—				(168,028	)			(157,733	)
Corporate Bond JPY			—				—				(34,638	)			—				(2,121	)			(2,115	)			(38,596	)			(38,110	)			(3,482	)			(3,472	)			(193,625	)			(191,351	)			(272,462	)			(235,048	)
Corporate Bond AUD			—				—				(428	)			(970	)			(3,274	)			(3,928	)			(7,399	)			(9,796	)			(7,401	)			(9,799	)			(156,499	)			(206,991	)			(175,001	)			(231,484	)
Corporate Bond NOK			—				—				—				—				(2,341	)			(2,275	)			(4,682	)			(4,550	)			(4,682	)			(4,550	)			(75,919	)			(71,491	)			(87,624	)			(82,866	)

Hedge instrument
Inflows:
Cross Currency Swap EUR			—				—				—				—				1,421				1,473				2,842				2,946				2,842				44,037				91,089				51,871				98,194				100,327
Cross Currency Swap HKD			—				—				—				—				12,829				13,352				25,627				90,988				91,034				78,369				320,604				269,894				450,094				452,603
Cross Currency Swap PEN			—				—				894				775				894				775				3,575				3,098				3,575				3,098				49,651				41,484				58,589				49,230
Cross Currency Swap CHF			—				—				—				—				798				829				1,597				94,332				90,095				121,182				116,765				—				209,255				216,343
Cross Currency Swap USD			—				—				—				—				1,600				1,515				3,200				3,030				3,200				3,030				43,994				40,140				51,994				47,715
Cross Currency Swap USD			216				202				336				76				884				157,455				166,592				—				—				—				—				—				168,028				157,733
Cross Currency Swap JPY			—				—				34,638				—				2,121				2,115				38,596				38,110				3,482				3,472				193,625				191,351				272,462				235,048
Cross Currency Swap AUD			—				—				428				970				3,274				3,928				7,399				9,796				7,401				9,799				156,499				206,991				175,001				231,484
Cross Currency Swap NOK			—				—				—				—				2,341				2,275				4,682				4,550				4,682				4,550				75,919				71,491				87,624				82,866

Net cash flows			—				—				—				—				—				—				—				—				—				—				—				—				—				—

Schedule of cash flows of the underlying assets portfolio and the cash flow of the liability

		Up to 1 month								Over 1 month and up to 3 months								Over 3 months and up to 12 months								Over 1 year and up to 3 years								Over 3 years and up to 5 years								Over 5 years								Total
		2019				2020				2019				2020				2019				2020				2019				2020				2019				2020				2019				2020				2019				2020
		MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$				MCh$
Hedge element
Inflows:
Cash flows in CLF			156				160				33,648				280				21,062				186,116				234,065				213,673				280,074				246,244				795,068				741,654				1,364,073				1,388,127

Hedge instrument
Outflows:
Cross Currency Swap HKD			(156	)			(160	)			—				—				(8,798	)			(9,035	)			(17,906	)			(72,728	)			(69,035	)			(76,073	)			(268,034	)			(206,514	)			(363,929	)			(364,510	)
Cross Currency Swap PEN			—				—				(47	)			(48	)			(48	)			(49	)			(188	)			(194	)			(189	)			(194	)			(31,223	)			(31,965	)			(31,695	)			(32,450	)
Cross Currency Swap JPY			—				—				(33,570	)			—				(4,096	)			(4,195	)			(40,344	)			(40,526	)			(6,424	)			(6,596	)			(199,778	)			(201,852	)			(284,212	)			(253,169	)
Cross Currency Swap USD			—				—				—				—				(1,275	)			(165,634	)			(161,941	)			(1,311	)			(1,281	)			(1,317	)			(37,242	)			(37,584	)			(201,739	)			(205,846	)
Cross Currency Swap CHF			—				—				—				—				(3,858	)			(3,929	)			(7,653	)			(91,923	)			(197,107	)			(114,409	)			—				—				(208,618	)			(210,261	)
Cross Currency Swap EUR			—				—				—				—				(1,857	)			(1,912	)			(3,715	)			(3,805	)			(3,718	)			(44,464	)			(85,686	)			(45,439	)			(94,976	)			(95,620	)
Cross Currency Swap AUD			—				—				(31	)			(232	)			(521	)			(738	)			(1,103	)			(1,939	)			(1,104	)			(1,942	)			(108,622	)			(152,709	)			(111,381	)			(157,560	)
Cross Currency Swap NOK			—				—				—				—				(609	)			(624	)			(1,215	)			(1,247	)			(1,216	)			(1,249	)			(64,483	)			(65,591	)			(67,523	)			(68,711	)

Net cash flows			—				—				—				—				—				—				—				—				—				—				—				—				—				—