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Provisions for Contingent Loans Credit Risk (Tables)

12 Months Ended

Dec. 31, 2022

Provisions for Contingent Loans Credit Risk [Abstract]

Schedule of credit risk for contingent loans

		Outstanding exposure								ECL
		2022				2021				2022				2021
		MCh$				MCh$				MCh$				MCh$
Warranty by endorsement and sureties			348,774				439,669				8,690				3,754
Confirmed foreign letters of credit			120,971				91,270				107				3
Issued foreign letters of credit			303,224				358,755				468				200
Performance guarantees			2,697,608				2,366,953				24,205				7,029
Undrawn credit lines			9,347,863				8,651,193				109,849				82,033
Other commitments			72,355				78,951				170				30
Total			12,890,795				11,986,791				143,489				93,049

Schedule of provisions for credit risk for contingent loans

		Provisions for credit risk for contingent loans				Total
		MCh$				MCh$
Balances as of January 1, 2021			98,181				98,181
Provisions established			—				—
Provisions used			(5,132	)			(5,132	)
Provisions released			—				—
Foreign exchange adjustments			—				—
Balances as of December 31, 2021			93,049				93,049
Provisions established			50,440				50,440
Provisions used			—				—
Provisions released			—				—
Foreign exchange adjustments			—				—
Balances as of December 31, 2022			143,489				143,489

Schedule of changes in outstanding exposures and corresponding allowance

		Changes as of December 31, 2022
		Stage 1																Stage 2																Stage 3
		Individual								Group								Individual								Group								Individual								Group								POCI								Total
		Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$
Commercial loans
Balance as of January 1, 2022			10,968,881				30,681				4,579,194				57,965				3,459,715				94,339				214,276				8,306				167,633				56,154				280,313				70,594				2,320				802				19,672,332				318,841
Net change on Balance *			1,146,093				(5,301	)			(110,736	)			(11,628	)			(218,018	)			19,888				(60,023	)			4,870				(23,535	)			1,065				(4,502	)			56,158				993				428				730,272				65,480
Transfer to Stage 1			3,420,173				33,979				901,257				30,100				(3,419,679	)			(33,865	)			(892,717	)			(28,450	)			(494	)			(114	)			(8,540	)			(1,650	)			—				—				—				—
Transfer to Stage 2			(563,832	)			(1,178	)			(1,119,924	)			(13,749	)			566,547				1,667				1,168,769				20,952				(2,715	)			(489	)			(48,845	)			(7,203	)			—				—				—				—
Transfer to Stage 3			(9,385	)			(44	)			(17,019	)			(973	)			(93,970	)			(5,132	)			(130,928	)			(14,807	)			103,354				5,176				147,948				15,780				—				—				—				—
Impact on year-end ECL of exposures transferred between stages during the year **			—				(19,277	)			—				(21,966	)			—				7,754				—				22,854				—				16,753				—				9,448				—				—				—				15,566
Refinements to models used for calculation			—				29,263				—				7,218				—				(29,670	)			—				(1,446	)			—				1,500				—				—				—				(307	)			—				6,558
Amounts written off			(2	)			(2	)			(2	)			(2	)			(16	)			(16	)			(30	)			(30	)			(26,788	)			(26,788	)			(56,977	)			(56,977	)			(142	)			(142	)			(83,957	)			(83,957	)
Foreign exchange adjustments			(26,060	)			(989	)			(59	)			(150	)			14,932				(286	)			(2	)			(2	)			1,325				418				(38	)			(12	)			—				—				(9,902	)			(1,021	)
Subtotal Commercial loans			14,935,868				67,132				4,232,711				46,815				309,511				54,679				299,345				12,247				218,780				53,675				309,359				86,138				3,171				781				20,308,745				321,467
Mortgage loans
Balance as of January 1, 2022			—				—				9,608,872				8,266				—				—				449,804				12,115				—				—				287,818				18,601				34				4				10,346,528				38,986
Net change on Balance *			—				—				1,074,711				2,120				—				—				21,391				11,491				—				—				(9,228	)			10,037				(34	)			(4	)			1,086,840				23,644
Transfer to Stage 1			—				—				1,660,510				45,169				—				—				(1,620,547	)			(41,432	)			—				—				(39,963	)			(3,737	)			—				—				—				—
Transfer to Stage 2			—				—				(1,842,069	)			(3,667	)			—				—				1,966,976				12,895				—				—				(124,907	)			(9,228	)			—				—				—				—
Transfer to Stage 3			—				—				(11,323	)			(84	)			—				—				(95,613	)			(12,562	)			—				—				106,936				12,646				—				—				—				—
Impact on year-end ECL of exposures transferred between stages during the year **			—				—				—				(42,189	)			—				—				—				42,489				—				—				—				(3,423	)			—				—				—				(3,123	)
Refinements to models used for calculation			—				—				—				5,645				—				—				—				(3,460	)			—				—				—				—				—				—				—				2,185
Amounts written off			—				—				(11	)			(11	)			—				—				17				17				—				—				(11,052	)			(11,052	)			—				—				(11,046	)			(11,046	)
Foreign exchange adjustments			—				—				—				—				—				—				—				—				—				—				—				—				—				—				—				—
Subtotal Mortgage loans			—				—				10,490,690				15,249				—				—				722,028				21,553				—				—				209,604				13,844				—				—				11,422,322				50,646
Consumer loans
Balance as of January 1, 2022			—				—				3,739,887				153,994				—				—				287,814				49,109				—				—				218,029				111,804				1,283				762				4,247,013				315,669
Net change on Balance *			—				—				961,038				159,017				—				—				(52,847	)			14,962				—				—				9,800				92,191				708				484				918,699				266,654
Transfer to Stage 1			—				—				986,727				165,534				—				—				(976,316	)			(159,538	)			—				—				(10,411	)			(5,996	)			—				—				—				—
Transfer to Stage 2			—				—				(1,360,916	)			(125,259	)			—				—				1,429,394				155,549				—				—				(68,478	)			(30,290	)			—				—				—				—
Transfer to Stage 3			—				—				(21,686	)			(3,677	)			—				—				(227,370	)			(104,895	)			—				—				249,056				108,572				—				—				—				—
Impact on year-end ECL of exposures transferred between stages during the year **			—				—				—				(104,217	)			—				—				—				137,853				—				—				—				28,215				—				—				—				61,851
Refinements to models used for calculation			—				—				—				(17,927	)			—				—				—				(6,277	)			—				—				—				—				—				(1	)			—				(24,205	)
Amounts written off			—				—				(96	)			(96	)			—				—				(32	)			(32	)			—				—				(170,324	)			(170,324	)			(24	)			(24	)			(170,476	)			(170,476	)
Foreign exchange adjustments			—				—				(27	)			3				—				—				26				1				—				—				(5	)			(1	)			—				—				(6	)			3
Subtotal Consumer loans			—				—				4,304,927				227,372				—				—				460,669				86,732				—				—				227,667				134,171				1,967				1,221				4,995,230				449,496
Total			14,935,868				67,132				19,028,328				289,436				309,511				54,679				1,482,042				120,532				218,780				53,675				746,630				234,153				5,138				2,002				36,726,297				821,609

* Net change between assets originated and assets repaid excluding write offs.

** Represents the change in the year-end ECLs of exposures that were transferred from one stage to another during the year.

		Changes as of December 31, 2021
		Stage 1																Stage 2																Stage 3
		Individual								Group								Individual								Group								Individual								Group								POCI								Total
		Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$
Commercial loans
Balance as of January 1, 2021			8,918,334				45,372				4,291,198				84,155				3,661,811				166,189				199,810				12,103				204,449				89,711				322,124				82,576				3,871				1,284				17,601,597				481,390
Net change on Balance *			1,750,645				(13,624	)			390,327				9,809				(209,088	)			(70,947	)			(51,073	)			(220	)			(44,630	)			(24,393	)			(29,657	)			40,040				(467	)			458				1,806,057				(58,877	)
Transfer to Stage 1			797,576				5,149				767,931				40,313				(797,576	)			(5,149	)			(767,917	)			(40,307	)			—				—				(14	)			(6	)			—				—				—				—
Transfer to Stage 2			(721,413	)			(3,268	)			(858,851	)			(16,615	)			732,462				4,870				921,908				26,896				(11,049	)			(1,602	)			(63,057	)			(10,281	)			—				—				—				—
Transfer to Stage 3			(2,720	)			(12	)			(19,103	)			(892	)			(32,441	)			(5,785	)			(88,525	)			(12,720	)			35,162				5,797				107,627				13,612				—				—				—				—
Impact on year-end ECL of exposures transferred between stages during the year**			—				(2,627	)			—				(28,741	)			—				9,793				—				26,879				—				7,344				—				6,553				—				—				—				19,201
Refinements to models used for calculation			—				(995	)			—				(30,368	)			—				(7,357	)			—				(4,188	)			—				2,415				—				(4,912	)			—				144				—				(45,261	)
Amounts written off			—				—				(27	)			(27	)			—				—				(156	)			(156	)			(25,470	)			(25,470	)			(57,398	)			(57,398	)			(1,084	)			(1,084	)			(84,135	)			(84,135	)
Foreign exchange adjustments			226,459				686				7,719				331				104,547				2,725				229				19				9,171				2,352				688				410				—				—				348,813				6,523
Subtotal Commercial loans			10,968,881				30,681				4,579,194				57,965				3,459,715				94,339				214,276				8,306				167,633				56,154				280,313				70,594				2,320				802				19,672,332				318,841
Mortgage loans
Balance as of January 1, 2021			—				—				8,664,761				7,657				—				—				401,997				6,221				—				—				320,200				20,744				414				30				9,387,372				34,652
Net change on Balance*			—				—				1,011,262				(1,521	)			—				—				(11,005	)			1,118				—				—				(30,009	)			6,758				(380	)			(28	)			969,868				6,327
Transfer to Stage 1			—				—				1,221,879				18,069				—				—				(1,221,879	)			(18,069	)			—				—				—				—				—				—				—				—
Transfer to Stage 2			—				—				(1,281,402	)			(2,077	)			—				—				1,332,093				4,084				—				—				(50,691	)			(2,007	)			—				—				—				—
Transfer to Stage 3			—				—				(7,604	)			(53	)			—				—				(51,395	)			(4,240	)			—				—				58,999				4,293				—				—				—				—
Impact on year-end ECL of exposures transferred between stages during the year**			—				—				—				(15,782	)			—				—				—				19,309				—				—				—				(1,159	)			—				—				—				2,368
Refinements to models used for calculation			—				—				—				1,997				—				—				—				3,699				—				—				—				653				—				2				—				6,351
Amounts written off			—				—				(24	)			(24	)			—				—				(7	)			(7	)			—				—				(10,681	)			(10,681	)			—				—				(10,712	)			(10,712	)
Foreign exchange adjustments			—				—				—				—				—				—				—				—				—				—				—				—				—				—				—				—
Subtotal Mortgage loans			—				—				9,608,872				8,266				—				—				449,804				12,115				—				—				287,818				18,601				34				4				10,346,528				38,986
Consumer loans
Balance as of January 1, 2021			—				—				3,295,502				145,399				—				—				324,440				49,789				—				—				327,102				124,357				1,677				520				3,948,721				320,065
Net change on Balance *			—				—				543,272				36,335				—				—				(67,751	)			(6,166	)			—				—				(36,418	)			71,045				(381	)			(83	)			438,722				101,131
Transfer to Stage 1			—				—				787,325				117,574				—				—				(787,325	)			(117,574	)			—				—				—				—				—				—				—				—
Transfer to Stage 2			—				—				(879,653	)			(57,076	)			—				—				943,398				79,524				—				—				(63,745	)			(22,448	)			—				—				—				—
Transfer to Stage 3			—				—				(12,205	)			(1,485	)			—				—				(124,873	)			(46,739	)			—				—				137,078				48,224				—				—				—				—
Impact on year-end ECL of exposures transferred between stages during the year**			—				—				—				(76,550	)			—				—				—				91,107				—				—				—				12,985				—				—				—				27,542
Refinements to models used for calculation			—				—				—				(10,338	)			—				—				—				(561	)			—				—				—				23,657				—				338				—				13,096
Amounts written off			—				—				(46	)			(46	)			—				—				(291	)			(291	)			—				—				(146,024	)			(146,024	)			(13	)			(13	)			(146,374	)			(146,374	)
Foreign exchange adjustments			—				—				5,692				181				—				—				216				20				—				—				36				8				—				—				5,944				209
Subtotal Consumer loans			—				—				3,739,887				153,994				—				—				287,814				49,109				—				—				218,029				111,804				1,283				762				4,247,013				315,669
Total			10,968,881				30,681				17,927,953				220,225				3,459,715				94,339				951,894				69,530				167,633				56,154				786,160				200,999				3,637				1,568				34,265,873				673,496

* Net change between assets originated and assets repaid excluding write offs.

** Represents the change in the year-end ECLs of exposures that were transferred from one stage to another during the year.

(*) The net balance receivable does not include the total overdue portfolio totaling Ch$5,907 million and Ch$4,178 million as of December 31, 2022 and 2021, respectively. This overdue portfolio only reflects the past due portion without considering the remaining outstanding principal and interest.

Schedule of the credit quality and the maximum exposure to credit risk

39. Expected credit losses:

(a) The composition is as follows:

		2022				2021				2020
		MCh$				MCh$				MCh$
Expense of allowances established for credit risk			418,416				93,710				520,307
Expense of provisions for contingent loans			51,445				(5,132	)			73,210
Recovery of written-off credits			(65,740	)			(70,407	)			(41,759	)
Impairments for credit risk from financial assets at fair value through other comprehensive income			8,009				1,001				(4,652	)
Total			412,130				19,172				547,106

(b) Summary of the expense of provisions constituted for credit risk and expected credit losses:

		Expense of provisions constituted in the year
		Evaluation
As of December 31, 2022		Individual				Group				Total
		MCh$				MCh$				MCh$
Loans and advances to Banks
Allowances established			1,792				—				1,792
Allowances released			—				—				—
Subtotal			1,792				—				1,792
Commercial loans
Allowances established			23,542				67,256				90,798
Allowances released			—				—				—
Subtotal			23,542				67,256				90,798
Residential mortgage loans
Allowances established			—				22,706				22,706
Allowances released			—				—				—
Subtotal			—				22,706				22,706
Consumer loans
Allowances established			—				303,120				303,120
Allowances released			—				—				—
Subtotal			—				303,120				303,120
Expense of allowances established for credit risk			25,334				393,082				418,416
Contingent loans
Loans and advances to Banks
Commercial loans											30,645
Consumer loans											20,800
Expenses of provisions for contingent loans											51,445
Impairments for credit risk from financial assets at fair value through other comprehensive income											8,009
Recovery of written-off credits
Loans and advances to Banks											—
Commercial loans											(26,554	)
Residential mortgage loans											(10,481	)
Consumer loans											(28,705	)
Subtotal											(65,740	)
Total Expected Credit Losses											412,130

		Expense of provisions constituted in the year
		Evaluation
As of December 31, 2021		Individual				Group				Total
		MCh$				MCh$				MCh$
Loans and advances to Banks
Allowances established			—				—				—
Allowances released			(377	)			—				(377	)
Subtotal			(377	)			—				(377	)
Commercial loans
Allowances established			—				50,433				50,433
Allowances released			(113,370	)			—				(113,370	)
Subtotal			(113,370	)			50,433				(62,937	)
Residential mortgage loans
Allowances established			—				15,046				15,046
Allowances released			—				—				—
Subtotal			—				15,046				15,046
Consumer loans
Allowances established			—				141,978				141,978
Allowances released			—				—				—
Subtotal			—				141,978				141,978
Expense of allowances established for credit risk			(113,747	)			207,457				93,710
Contingent loans
Loans and advances to Banks											—
Commercial loans											3,784
Consumer loans											(8,916	)
Expenses of provisions for contingent loans											(5,132	)
Impairments for credit risk from financial assets at fair value through other comprehensive income											1,001
Recovery of written-off credits
Loans and advances to Banks											—
Commercial loans											(15,480	)
Residential mortgage loans											(7,922	)
Consumer loans											(47,005	)
Subtotal											(70,407	)
Total Expected Credit Losses											19,172

		Expense of provisions constituted in the year
As of December 31, 2020		Evaluation
		Individual				Group				Total
		MCh$				MCh$				MCh$
Loans and advances to Banks
Allowances established			348				—				348
Allowances released			—				—				—
Subtotal			348				—				348
Commercial loans
Allowances established			207,611				88,278				295,889
Allowances released			—				—				—
Subtotal			207,611				88,278				295,889
Residential mortgage loans
Allowances established			—				4,607				4,607
Allowances released			—				—				—
Subtotal			—				4,607				4,607
Consumer loans
Allowances established			—				219,463				219,463
Allowances released			—				—				—
Subtotal			—				219,463				219,463
Expense of allowances established for credit risk			207,959				312,348				520,307
Contingent loans
Loans and advances to Banks											—
Commercial loans											11,664
Consumer loans											61,546
Expenses of provisions for contingent loans											73,210
Impairments for credit risk from financial assets at fair value through other comprehensive income											(4,652	)
Recovery of written-off credits
Loans and advances to Banks											—
Commercial loans											(8,599	)
Residential mortgage loans											(3,377	)
Consumer loans											(29,783	)
Subtotal											(41,759	)
Total Expected Credit Losses											547,106

Warranty by Endorsement and Sureties [Member]

Provisions for Contingent Loans Credit Risk [Abstract]

Schedule of credit quality and maximum exposure to credit risk

		As of December 31, 2022																		As of December 31, 2021
		Stage 1						Stage 2				Stage 3								Stage 1						Stage 2				Stage 3
		Individual MCh$				Group MCh$		Individual MCh$		Group MCh$		Individual MCh$		Group MCh$		Total MCh$				Individual MCh$				Group MCh$		Individual MCh$		Group MCh$		Individual MCh$		Group MCh$		Total MCh$
Normal			340,789			575		—		—		—		—			341,364				403,479			567		28,453		—		—		—			432,499
Substandard			—			—		7,362		—		—		—			7,362				—			—		7,170		—		—		—			7,170
Non-complying			—			—		—		—		48		—			48				—			—		—		—		—		—			—
Total			340,789			575		7,362		—		48		—			348,774				403,479			567		35,623		—		—		—			439,669

Schedule of changes in outstanding exposures and corresponding allowance

		Stage 1																Stage 2																Stage 3
		Individual								Group								Individual								Group								Individual								Group								Total
		Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$
Outstanding exposure as of January 1, 2022			403,479				239				567				2				35,623				3,513				—				—				—				—				—				—				439,669				3,754
Net change on exposures			(103,737	)			(984	)			7				4				(7,176	)			148				—				—				—				—				—				—				(110,906	)			(832	)
Transfer to Stage 1			83,148				65				801				—				(83,148	)			(65	)			(801	)			—				—				—				—				—				—				—
Transfer to Stage 2			(58,751	)			(15	)			(794	)			(2	)			58,751				15				794				2				—				—				—				—				—				—
Transfer to Stage 3			—				—				—				—				(52	)			(6	)			—				—				52				6				—				—				—				—
Impact on year-end ECL of exposures transferred between stages during the year**			—				507				—				2				—				—				—				(2	)			—				(6	)			—				—				—				501
Refinements to models used for calculation			—				2,063				—				1				—				3,872				—				—				—				—				—				—				—				5,936
Foreign exchange adjustments			16,650				(166	)			(6	)			—				3,364				(503	)			7				—				(4	)			—				—				—				20,011				(669	)
Total			340,789				1,709				575				7				7,362				6,974				—				—				48				—				—				—				348,774				8,690
Outstanding exposure as of January 1, 2021			186,051				174				131				—				32,267				264				—				—				5,630				5,630				—				—				224,079				6,068
Net change on exposures			168,112				26				369				1				(6,416	)			(153	)			—				—				—				—				—				—				162,065				(126	)
Transfer to Stage 1			3,870				8				320				—				(3,870	)			(8	)			(320	)			—				—				—				—				—				—				—
Transfer to Stage 2			(2,300	)			(2	)			(313	)			—				8,859				6,561				313				—				(6,559	)			(6,559	)			—				—				—				—
Transfer to Stage 3			—				—				—				—				—				—				—				—				—				—				—				—				—				—
Impact on year-end ECL of exposures transferred between stages during the year**			—				(2	)			—				—				—				(3,367	)			—				—				—				—				—				—				—				(3,369	)
Refinements to models used for calculation			—				—				—				1				—				—				—				—				—				—				—				—				—				1
Foreign exchange adjustments			47,746				35				60				—				4,783				216				7				—				929				929				—				—				53,525				1,180
Total			403,479				239				567				2				35,623				3,513				—				—				—				—				—				—				439,669				3,754

Confirmed Foreign Letters of Credit [Member]

Provisions for Contingent Loans Credit Risk [Abstract]

Schedule of changes in outstanding exposures and corresponding allowance

		Stage 1																Stage 2																Stage 3
		Individual								Group								Individual								Group								Individual								Group								Total
		Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$
Outstanding exposure as of January 1, 2022			91,270				3				—				—				—				—				—				—				—				—				—				—				91,270				3
Net change on exposures			38,737				(89	)			—				—				—				—				—				—				—				—				—				—				38,737				(89	)
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**			—				—				—				—				—				—				—				—				—				—				—				—				—				—
Refinements to models used for calculation			—				207				—				—				—				—				—				—				—				—				—				—				—				207
Foreign exchange adjustments			(9,036	)			(14	)			—				—				—				—				—				—				—				—				—				—				(9,036	)			(14	)
Total			120,971				107				—				—				—				—				—				—				—				—				—				—				120,971				107
Outstanding exposure as of January 1, 2021			58,063				10				236				—				—				—				—				—				—				—				—				—				58,299				10
Net change on exposures			18,244				(8	)			(239	)			—				—				—				—				—				—				—				—				—				18,005				(8	)
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**			—				—				—				—				—				—				—				—				—				—				—				—				—				—
Refinements to models used for calculation			—				—				—				—				—				—				—				—				—				—				—				—				—				—
Foreign exchange adjustments			14,963				1				3				—				—				—				—				—				—				—				—				—				14,966				1
Total			91,270				3				—				—				—				—				—				—				—				—				—				—				91,270				3

Schedule of the credit quality and the maximum exposure to credit risk

		As of December 31, 2022																		As of December 31, 2021
		Stage 1						Stage 2				Stage 3								Stage 1						Stage 2				Stage 3
		Individual MCh$				Group MCh$		Individual MCh$		Group MCh$		Individual MCh$		Group MCh$		Total MCh$				Individual MCh$				Group MCh$		Individual MCh$		Group MCh$		Individual MCh$		Group MCh$		Total MCh$
Normal			120,971			—		—		—		—		—			120,971				91,270			—		—		—		—		—			91,270
Substandard			—			—		—		—		—		—			—				—			—		—		—		—		—			—
Non-complying			—			—		—		—		—		—			—				—			—		—		—		—		—			—
Total			120,971			—		—		—		—		—			120,971				91,270			—		—		—		—		—			91,270

Issued Foreign Letters of Credit [Member]

Provisions for Contingent Loans Credit Risk [Abstract]

Schedule of credit quality and maximum exposure to credit risk

		As of December 31, 2022																												As of December 31, 2021
		Stage 1								Stage 2								Stage 3												Stage 1								Stage 2								Stage 3
		Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Total MCh$				Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Total MCh$
Normal			302,839				385				—				—				—				—				303,224				277,639				1,578				79,392				26				—				—				358,635
Substandard			—				—				—				—				—				—				—				—				—				120				—				—				—				120
Non-complying			—				—				—				—				—				—				—				—				—				—				—				—				—				—
Total			302,839				385				—				—				—				—				303,224				277,639				1,578				79,512				26				—				—				358,755

Schedule of changes in outstanding exposures and corresponding allowance

		Stage 1																Stage 2																Stage 3
		Individual								Group								Individual								Group								Individual								Group								Total
		Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$
Outstanding exposure as of January 1, 2022			277,639				121				1,578				4				79,512				75				26				—				—				—				—				—				358,755				200
Net change on exposures			(43,045	)			461				(1,231	)			(2	)			(22,502	)			(44	)			—				—				—				—				—				—				(66,778	)			415
Transfer to Stage 1			56,855				17				26				—				(56,855	)			(17	)			(26	)			—				—				—				—				—				—				—
Transfer to Stage 2			(153	)			—				—				—				153				—				—				—				—				—				—				—				—				—
Transfer to Stage 3			—				—				—				—				—				—				—				—				—				—				—				—				—				—
Impact on year-end ECL of exposures transferred between stages during the year**			—				62				—				—				—				—				—				—				—				—				—				—				—				62
Refinements to models used for calculation			—				(186	)			—				2				—				(13	)			—				—				—				—				—				—				—				(197	)
Foreign exchange adjustments			11,543				(12	)			12				—				(308	)			—				—				—				—				—				—				—				11,247				(12	)
Total			302,839				463				385				4				—				1				—				—				—				—				—				—				303,224				468
Outstanding exposure as of January 1, 2021			298,841				129				1,881				—				42,941				106				—				—				—				—				—				—				343,663				235
Net change on exposures			(59,551	)			(32	)			(503	)			13				45,249				(36	)			(1	)			—				—				—				—				—				(14,806	)			(55	)
Transfer to Stage 1			19,728				14				—				—				(19,728	)			(14	)			—				—				—				—				—				—				—				—
Transfer to Stage 2			(788	)			(1	)			(25	)			—				788				1				25				—				—				—				—				—				—				—
Transfer to Stage 3			—				—				—				—				—				—				—				—				—				—				—				—				—				—
Impact on year-end ECL of exposures transferred between stages during the year**			—				(1	)			—				—				—				—				—				—				—				—				—				—				—				(1	)
Refinements to models used for calculation			—				—				—				(11	)			—				—				—				—				—				—				—				—				—				(11	)
Foreign exchange adjustments			19,409				12				225				2				10,262				18				2				—				—				—				—				—				29,898				32
Total			277,639				121				1,578				4				79,512				75				26				—				—				—				—				—				358,755				200

Performance Guarantees [Member]

Provisions for Contingent Loans Credit Risk [Abstract]

Schedule of credit quality and maximum exposure to credit risk

		As of December 31, 2022																												As of December 31, 2021
		Stage 1								Stage 2								Stage 3												Stage 1								Stage 2								Stage 3
		Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Total MCh$				Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Total MCh$
Normal			2,535,072				50,203				6,639				1,921				—				—				2,593,835				1,718,639				45,140				572,081				307				—				—				2,336,167
Substandard			—				—				86,748				—				—				—				86,748				—				—				28,697				—				—				—				28,697
Non-complying			—				—				—				—				16,872				153				17,025				—				—				—				—				1,728				361				2,089
Total			2,535,072				50,203				93,387				1,921				16,872				153				2,697,608				1,718,639				45,140				600,778				307				1,728				361				2,366,953

Schedule of changes in outstanding exposures and corresponding allowance

		Stage 1																Stage 2																Stage 3
		Individual								Group								Individual								Group								Individual								Group								Total
		Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$
Outstanding exposure as of January 1, 2022			1,718,639				1,468				45,140				195				600,778				4,253				307				3				1,728				1,111				361				(1	)			2,366,953				7,029
Net change on exposures			388,963				1,522				7,426				271				(48,974	)			11,102				(509	)			(21	)			(7,440	)			(5,397	)			(440	)			—				339,026				7,477
Transfer to Stage 1			636,908				5,730				3,371				54				(636,908	)			(5,730	)			(3,371	)			(54	)			—				—				—				—				—				—
Transfer to Stage 2			(200,555	)			(103	)			(5,641	)			(47	)			200,555				103				5,831				47				—				—				(190	)			—				—				—
Transfer to Stage 3			(122	)			—				(88	)			(1	)			(22,464	)			(1,344	)			(334	)			(8	)			22,586				1,344				422				9				—				—
Impact on year-end ECL of exposures transferred between stages during the year**			—				(2,983	)			—				(18	)			—				457				—				62				—				6,516				—				(9	)			—				4,025
Refinements to models used for calculation			—				4,742				—				346				—				918				—				12				—				(293	)			—				—				—				5,725
Foreign exchange adjustments			(8,761	)			(38	)			(5	)			(1	)			400				(12	)			(3	)			—				(2	)			—				—				—				(8,371	)			(51	)
Total			2,535,072				10,338				50,203				799				93,387				9,747				1,921				41				16,872				3,281				153				(1	)			2,697,608				24,205
Outstanding exposure as of January 1, 2022			1,573,058				2,790				46,523				917				589,838				6,422				615				3				3,851				2,992				485				—				2,214,370				13,124
Net change on exposures			72,215				(1,284	)			(716	)			16				21,365				(2,636	)			(882	)			(47	)			(1,870	)			(1,491	)			(344	)			—				89,768				(5,442	)
Transfer to Stage 1			166,106				247				3,381				84				(166,106	)			(247	)			(3,381	)			(84	)			—				—				—				—				—				—
Transfer to Stage 2			(149,250	)			(277	)			(3,911	)			(77	)			150,330				1,131				3,998				77				(1,080	)			(854	)			(87	)			—				—				—
Transfer to Stage 3			(62	)			—				(260	)			(5	)			(765	)			(79	)			(47	)			(5	)			827				79				307				10				—				—
Impact on year-end ECL of exposures transferred between stages during the year**			—				(58	)			—				(27	)			—				(362	)			—				67				—				374				—				(11	)			—				(17	)
Refinements to models used for calculation			—				(2	)			—				(716	)			—				(4	)			—				(8	)			—				11				—				—				—				(719	)
Foreign exchange adjustments			56,572				52				123				3				6,116				28				4				—				—				—				—				—				62,815				83
Total			1,718,639				1,468				45,140				195				600,778				4,253				307				3				1,728				1,111				361				(1	)			2,366,953				7,029

Undrawn Credit Lines [Member]

Provisions for Contingent Loans Credit Risk [Abstract]

Schedule of credit quality and maximum exposure to credit risk

		As of December 31, 2022																												As of December 31, 2021
		Stage 1								Stage 2								Stage 3												Stage 1								Stage 2								Stage 3
		Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Total MCh$				Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Total MCh$
Normal			1,250,186				7,857,056				855				221,940				—				—				9,330,037				1,178,448				7,130,566				133,391				180,023				13				—				8,622,441
Substandard			—				—				4,948				—				—				—				4,948				—				—				4,421				—				—				—				4,421
Non-complying			—				—				—				—				789				12,089				12,878				—				—				—				—				719				23,612				24,331
Total			1,250,186				7,857,056				5,803				221,940				789				12,089				9,347,863				1,178,448				7,130,566				137,812				180,023				732				23,612				8,651,193

Schedule of changes in outstanding exposures and corresponding allowance

		Stage 1																Stage 2																Stage 3
		Individual								Group								Individual								Group								Individual								Group								Total
		Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$
Outstanding exposure as of January 1, 2022			1,178,448				575				7,130,566				69,990				137,812				485				180,023				1,130				732				332				23,612				9,521				8,651,193				82,033
Net change on exposures			(59,843	)			133				833,590				40,046				(44	)			272				(55,356	)			15				(505	)			(210	)			(7,677	)			329				710,165				40,585
Transfer to Stage 1			148,946				306				641,127				6,856				(148,928	)			(299	)			(637,188	)			(4,617	)			(18	)			(7	)			(3,939	)			(2,239	)			—				—
Transfer to Stage 2			(16,871	)			(26	)			(728,386	)			(9,368	)			16,969				72				737,467				12,933				(98	)			(46	)			(9,081	)			(3,565	)			—				—
Transfer to Stage 3			(105	)			—				(5,653	)			(75	)			(580	)			(9	)			(3,599	)			(22	)			685				9				9,252				97				—				—
Impact on year-end ECL of exposures transferred between stages during the year**			—				(162	)			—				604				—				(46	)			—				(7,633	)			—				139				—				1,758				—				(5,340	)
Refinements to models used for calculation			—				350				—				(7,378	)			—				(412	)			—				(117	)			—				160				—				—				—				(7,397	)
Foreign exchange adjustments			(389	)			1				(14,188	)			(79	)			574				—				593				(6	)			(7	)			(4	)			(78	)			56				(13,495	)			(32	)
Total			1,250,186				1,177				7,857,056				100,596				5,803				63				221,940				1,683				789				373				12,089				5,957				9,347,863				109,849
Outstanding exposure as of January 1, 2021			1,055,119				1,236				6,244,331				65,078				142,328				1,038				182,812				3,268				857				420				24,935				7,704				7,650,382				78,744
Net change on exposures			110,630				(647	)			493,150				4,207				(5,814	)			(598	)			(32,854	)			(1,345	)			(446	)			(219	)			(4,328	)			(125	)			560,338				1,273
Transfer to Stage 1			21,447				28				547,431				6,216				(21,447	)			(28	)			(547,431	)			(6,216	)			—				—				—				—				—				—
Transfer to Stage 2			(20,684	)			(48	)			(562,964	)			(6,833	)			20,850				159				568,515				8,760				(166	)			(111	)			(5,551	)			(1,927	)			—				—
Transfer to Stage 3			(62	)			—				(4,738	)			(68	)			(386	)			(28	)			(2,046	)			(33	)			448				28				6,784				101				—				—
Impact on year-end ECL of exposures transferred between stages during the year**			—				(2	)			—				370				—				(73	)			—				(3,159	)			—				192				—				1,306				—				(1,366	)
Refinements to models used for calculation			—				—				—				(1,574	)			—				—				—				(224	)			—				1				—				2,032				—				235
Foreign exchange adjustments			11,998				8				413,356				2,594				2,281				15				11,027				79				39				21				1,772				430				440,473				3,147
Total			1,178,448				575				7,130,566				69,990				137,812				485				180,023				1,130				732				332				23,612				9,521				8,651,193				82,033

Other Commitments [Member]

Provisions for Contingent Loans Credit Risk [Abstract]

Schedule of changes in outstanding exposures and corresponding allowance

		Stage 1																Stage 2																Stage 3
		Individual								Group								Individual								Group								Individual								Group								Total
		Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$				Gross carrying amount MCh$				ECL MCh$
Outstanding exposure as of January 1, 2022			78,951				30				—				—				—				—				—				—				—				—				—				—				78,951				30
Net change on exposures			(6,596	)			85				—				—				—				—				—				—				—				—				—				—				(6,596	)			85
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**			—				—				—				—				—				—				—				—				—				—				—				—				—				—
Refinements to models used for calculation			—				55				—				—				—				—				—				—				—				—				—				—				—				55
Foreign exchange adjustments			—				—				—				—				—				—				—				—				—				—				—				—				—				—
Total			72,355				170				—				—				—				—				—				—				—				—				—				—				72,355				170
Outstanding exposure as of January 1, 2021			107,707				—				—				—				—				—				—				—				—				—				—				—				107,707				—
Net change on exposures			(28,756	)			30				—				—				—				—				—				—				—				—				—				—				(28,756	)			30
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**			—				—				—				—				—				—				—				—				—				—				—				—				—				—
Refinements to models used for calculation			—				—				—				—				—				—				—				—				—				—				—				—				—				—
Foreign exchange adjustments			—				—				—				—				—				—				—				—				—				—				—				—				—				—
Total			78,951				30				—				—				—				—				—				—				—				—				—				—				78,951				30

Schedule of the credit quality and the maximum exposure to credit risk

		As of December 31, 2022																												As of December 31, 2021
		Stage 1								Stage 2								Stage 3												Stage 1								Stage 2								Stage 3
		Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Total MCh$				Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Individual MCh$				Group MCh$				Total MCh$
Normal			72,355				—				—				—				—				—				72,355				78,951				—				—				—				—				—				78,951
Substandard			—				—				—				—				—				—				—				—				—				—				—				—				—				—
Non-complying			—				—				—				—				—				—				—				—				—				—				—				—				—				—
Total			72,355				—				—				—				—				—				72,355				78,951				—				—				—				—				—				78,951

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The disclosure of the reconciliation of changes in the loss allowance and explanation of changes in the gross carrying amount for financial instruments. Loss allowance is the allowance for expected credit losses on financial assets measured in accordance with paragraph 4.1.2 of IFRS 9, lease receivables and contract assets, the accumulated impairment amount for financial assets measured in accordance with paragraph 4.1.2A of IFRS 9 and the provision for expected credit losses on loan commitments and financial guarantee contracts. [Refer: Gross carrying amount [member]]

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The explanation of the credit risk management practices and how they relate to the recognition and measurement of expected credit losses.

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