Derivative Financial Instruments and Hedge Accounting (Details 2) - CLP ($)
$ in Millions

Dec. 31, 2019

Dec. 31, 2018

Dec. 31, 2017

Disclosure of detailed information about hedges [line items]

Notional amount

$ 377,131,597

$ 241,467,084

$ 177,224,139

More Than 3 Months To 1 Year [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

84,086,430

35,372,847

More Than 1 Year [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

236,978,332

110,235,375

Up To 3 Months [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

56,066,835

31,615,917

Fair Value Hedges [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

17,174,436

9,745,718

7,795,629

Fair Value Hedges [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

14,628,050

7,983,106

6,078,473

Fair Value Hedges [Member] | Interest Rate Swap Contract [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

2,546,386

1,762,612

1,717,156

Fair Value Hedges [Member] | Debt Instrument At FVOCI [Member] | Central bank bonds (BCP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

254,685

449,730

Fair Value Hedges [Member] | Debt Instrument At FVOCI [Member] | Yankee bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

172,072

Fair Value Hedges [Member] | Debt Instrument At FVOCI [Member] | Mortgage financing bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

2,728

3,779

Fair Value Hedges [Member] | Debt Instrument At FVOCI [Member] | Treasury bonds (BTP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

186,843

174,440

Fair Value Hedges [Member] | Issued debt instruments [Member] | Senior Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

7,363,370

5,128,163

4,382,487

Fair Value Hedges [Member] | TimeDepositsAndOtherTimeLiabilitiesCategoryMember | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,192,695

486,013

137,985

Fair Value Hedges [Member] | Debt Instruments At FVOCI [Member] | Chiliean Treasury Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

289,369

524,859

Fair Value Hedges [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

650,000

Fair Value Hedges [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

6,834,450

2,806,662

Fair Value Hedges [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Endorsable Mortgage Mutual Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

2,806,662

Fair Value Hedges [Member] | Available For Sale Investments [Member] | Central bank bonds (BCP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

790,286

Fair Value Hedges [Member] | Available For Sale Investments [Member] | Chiliean Treasury Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

784,104

Fair Value Hedges [Member] | Available For Sale Investments [Member] | Yankee bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

70,938

Fair Value Hedges [Member] | Available For Sale Investments [Member] | Mortgage financing bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

4,738

Fair Value Hedges [Member] | Available For Sale Investments [Member] | Treasury bonds (BTP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

129,539

Fair Value Hedges [Member] | Loans And Accounts Receivable From Customers [Member] | Endorsable Mortgage Mutual Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,495,552

Fair Value Hedges [Member] | Due Within 1 Year [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,970,240

1,848,509

878,686

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,270,992

1,276,909

715,701

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Interest Rate Swap Contract [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

699,248

571,600

162,985

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Debt Instrument At FVOCI [Member] | Central bank bonds (BCP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Debt Instrument At FVOCI [Member] | Yankee bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Debt Instrument At FVOCI [Member] | Mortgage financing bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Debt Instrument At FVOCI [Member] | Treasury bonds (BTP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Issued debt instruments [Member] | Senior Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

651,681

708,624

25,000

Fair Value Hedges [Member] | Due Within 1 Year [Member] | TimeDepositsAndOtherTimeLiabilitiesCategoryMember | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

685,259

486,013

137,985

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Debt Instruments At FVOCI [Member] | Chiliean Treasury Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

633,300

653,872

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Endorsable Mortgage Mutual Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

653,872

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Available For Sale Investments [Member] | Central bank bonds (BCP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

128,289

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Available For Sale Investments [Member] | Chiliean Treasury Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Available For Sale Investments [Member] | Yankee bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Available For Sale Investments [Member] | Mortgage financing bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Available For Sale Investments [Member] | Treasury bonds (BTP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Due Within 1 Year [Member] | Loans And Accounts Receivable From Customers [Member] | Endorsable Mortgage Mutual Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

587,412

Fair Value Hedges [Member] | Between 3 and 6 years [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

4,229,726

1,578,840

1,994,389

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

3,774,647

1,228,840

1,813,221

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Interest Rate Swap Contract [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

455,079

350,000

181,168

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Debt Instrument At FVOCI [Member] | Central bank bonds (BCP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Debt Instrument At FVOCI [Member] | Yankee bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Debt Instrument At FVOCI [Member] | Mortgage financing bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

3,779

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Debt Instrument At FVOCI [Member] | Treasury bonds (BTP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

149,474

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Issued debt instruments [Member] | Senior Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

2,253,892

1,298,471

670,488

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | TimeDepositsAndOtherTimeLiabilitiesCategoryMember | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

225,515

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Debt Instruments At FVOCI [Member] | Chiliean Treasury Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

50,000

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,545,240

276,590

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Endorsable Mortgage Mutual Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

276,590

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Available For Sale Investments [Member] | Central bank bonds (BCP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

443,357

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Available For Sale Investments [Member] | Chiliean Treasury Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

762,727

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Available For Sale Investments [Member] | Yankee bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

6,169

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Available For Sale Investments [Member] | Mortgage financing bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

4,738

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Available For Sale Investments [Member] | Treasury bonds (BTP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Between 3 and 6 years [Member] | Loans And Accounts Receivable From Customers [Member] | Endorsable Mortgage Mutual Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

106,910

Fair Value Hedges [Member] | Between 1 and 3 years [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

3,751,437

3,144,709

2,440,933

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

2,791,437

2,794,709

1,512,238

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Interest Rate Swap Contract [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

960,000

350,000

928,695

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Debt Instrument At FVOCI [Member] | Central bank bonds (BCP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

254,685

449,730

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Debt Instrument At FVOCI [Member] | Yankee bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Debt Instrument At FVOCI [Member] | Mortgage financing bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

2,728

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Debt Instrument At FVOCI [Member] | Treasury bonds (BTP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Issued debt instruments [Member] | Senior Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,133,698

1,117,779

1,399,686

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | TimeDepositsAndOtherTimeLiabilitiesCategoryMember | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

281,921

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Debt Instruments At FVOCI [Member] | Chiliean Treasury Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

289,369

304,818

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

600,000

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,189,036

1,272,382

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Endorsable Mortgage Mutual Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,272,382

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Available For Sale Investments [Member] | Central bank bonds (BCP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

218,640

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Available For Sale Investments [Member] | Chiliean Treasury Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

21,377

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Available For Sale Investments [Member] | Yankee bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Available For Sale Investments [Member] | Mortgage financing bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Available For Sale Investments [Member] | Treasury bonds (BTP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Between 1 and 3 years [Member] | Loans And Accounts Receivable From Customers [Member] | Endorsable Mortgage Mutual Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

801,230

Fair Value Hedges [Member] | More Than 3 Months To 1 Year [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,181,594

878,686

Fair Value Hedges [Member] | More Than 3 Months To 1 Year [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

863,984

715,701

Fair Value Hedges [Member] | More Than 3 Months To 1 Year [Member] | Interest Rate Swap Contract [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

317,610

162,985

Fair Value Hedges [Member] | More Than 1 Year [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

15,204,196

6,916,943

Fair Value Hedges [Member] | More Than 1 Year [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

13,357,058

5,362,772

Fair Value Hedges [Member] | More Than 1 Year [Member] | Interest Rate Swap Contract [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,847,138

1,554,171

Fair Value Hedges [Member] | Over 6 years [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

7,223,033

3,173,660

2,481,621

Fair Value Hedges [Member] | Over 6 years [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

6,790,974

2,682,648

2,037,313

Fair Value Hedges [Member] | Over 6 years [Member] | Interest Rate Swap Contract [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

432,059

491,012

444,308

Fair Value Hedges [Member] | Over 6 years [Member] | Debt Instrument At FVOCI [Member] | Central bank bonds (BCP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Over 6 years [Member] | Debt Instrument At FVOCI [Member] | Yankee bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

172,072

Fair Value Hedges [Member] | Over 6 years [Member] | Debt Instrument At FVOCI [Member] | Mortgage financing bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Over 6 years [Member] | Debt Instrument At FVOCI [Member] | Treasury bonds (BTP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

37,369

174,440

Fair Value Hedges [Member] | Over 6 years [Member] | Issued debt instruments [Member] | Senior Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

3,324,099

2,003,289

2,287,313

Fair Value Hedges [Member] | Over 6 years [Member] | TimeDepositsAndOtherTimeLiabilitiesCategoryMember | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Over 6 years [Member] | Debt Instruments At FVOCI [Member] | Chiliean Treasury Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

220,041

Fair Value Hedges [Member] | Over 6 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Over 6 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

3,466,874

603,818

Fair Value Hedges [Member] | Over 6 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Endorsable Mortgage Mutual Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

603,818

Fair Value Hedges [Member] | Over 6 years [Member] | Available For Sale Investments [Member] | Central bank bonds (BCP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Over 6 years [Member] | Available For Sale Investments [Member] | Chiliean Treasury Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Over 6 years [Member] | Available For Sale Investments [Member] | Yankee bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

64,769

Fair Value Hedges [Member] | Over 6 years [Member] | Available For Sale Investments [Member] | Mortgage financing bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Over 6 years [Member] | Available For Sale Investments [Member] | Treasury bonds (BTP) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

129,539

Fair Value Hedges [Member] | Over 6 years [Member] | Loans And Accounts Receivable From Customers [Member] | Endorsable Mortgage Mutual Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Fair Value Hedges [Member] | Up To 3 Months [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

788,646

Fair Value Hedges [Member] | Up To 3 Months [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

407,008

Fair Value Hedges [Member] | Up To 3 Months [Member] | Interest Rate Swap Contract [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

381,638

Cash Flow Hedge [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

16,939,379

13,456,422

9,751,673

Cash Flow Hedge [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

15,053,362

13,082,521

8,731,598

Cash Flow Hedge [Member] | Currency Forwards [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,886,017

373,901

1,020,075

Cash Flow Hedge [Member] | Interbank borrowings [Member] | Interbank Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

969,374

1,764,348

1,322,362

Cash Flow Hedge [Member] | Issued debt instruments [Member] | Senior bonds (fixed rate) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

4,722,163

1,658,733

888,077

Cash Flow Hedge [Member] | Issued debt instruments [Member] | Senior bonds (variable rate) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

4,722,163

666,823

1,070,524

Cash Flow Hedge [Member] | TimeDepositsAndOtherTimeLiabilitiesCategoryMember | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Debt Instruments At FVOCI [Member] | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

166,628

Cash Flow Hedge [Member] | Debt Instruments At FVOCI [Member] | Chilean Central Bank Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

82,727

246,306

Cash Flow Hedge [Member] | Debt Instruments At FVOCI [Member] | Yankee bond [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

109,585

Cash Flow Hedge [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

9,972,447

8,843,999

Cash Flow Hedge [Member] | Available For Sale Investments [Member] | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Available For Sale Investments [Member] | Chilean Central Bank Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

242,819

Cash Flow Hedge [Member] | Available For Sale Investments [Member] | Yankee bond [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

157,862

Cash Flow Hedge [Member] | Loans And Accounts Receivable From Customers [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

644,608

Cash Flow Hedge [Member] | Loans And Accounts Receivable From Customers [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

5,425,421

Cash Flow Hedge [Member] | Due Within 1 Year [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

5,322,890

4,265,212

3,079,107

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

4,205,129

3,891,311

2,059,032

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Currency Forwards [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,117,761

373,901

1,020,075

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Interbank borrowings [Member] | Interbank Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

826,442

1,764,348

919,448

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Issued debt instruments [Member] | Senior bonds (fixed rate) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

803,596

500,583

241,183

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Issued debt instruments [Member] | Senior bonds (variable rate) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

358,118

120,520

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | TimeDepositsAndOtherTimeLiabilitiesCategoryMember | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Debt Instruments At FVOCI [Member] | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Debt Instruments At FVOCI [Member] | Chilean Central Bank Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Debt Instruments At FVOCI [Member] | Yankee bond [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

109,585

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

3,334,734

1,890,696

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Available For Sale Investments [Member] | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Available For Sale Investments [Member] | Chilean Central Bank Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Available For Sale Investments [Member] | Yankee bond [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Loans And Accounts Receivable From Customers [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

644,608

Cash Flow Hedge [Member] | Due Within 1 Year [Member] | Loans And Accounts Receivable From Customers [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,153,348

Cash Flow Hedge [Member] | Between 3 and 6 years [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

3,497,630

2,473,962

2,130,105

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

3,497,630

2,473,962

2,130,105

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Currency Forwards [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Interbank borrowings [Member] | Interbank Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Issued debt instruments [Member] | Senior bonds (fixed rate) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,152,461

601,639

224,401

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Issued debt instruments [Member] | Senior bonds (variable rate) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,152,461

302,454

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | TimeDepositsAndOtherTimeLiabilitiesCategoryMember | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Debt Instruments At FVOCI [Member] | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

166,628

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Debt Instruments At FVOCI [Member] | Chilean Central Bank Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

82,727

246,306

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Debt Instruments At FVOCI [Member] | Yankee bond [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,995,156

1,459,389

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Available For Sale Investments [Member] | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Available For Sale Investments [Member] | Chilean Central Bank Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

242,819

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Available For Sale Investments [Member] | Yankee bond [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

25,290

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Loans And Accounts Receivable From Customers [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 3 and 6 years [Member] | Loans And Accounts Receivable From Customers [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,335,141

Cash Flow Hedge [Member] | Between 1 and 3 years [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

3,686,405

3,746,437

1,755,144

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

2,918,149

3,746,437

1,755,144

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Currency Forwards [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

768,256

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Interbank borrowings [Member] | Interbank Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

142,932

402,914

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Issued debt instruments [Member] | Senior bonds (fixed rate) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,696,595

52,790

121,619

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Issued debt instruments [Member] | Senior bonds (variable rate) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

341,283

666,823

647,550

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | TimeDepositsAndOtherTimeLiabilitiesCategoryMember | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Debt Instruments At FVOCI [Member] | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Debt Instruments At FVOCI [Member] | Chilean Central Bank Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Debt Instruments At FVOCI [Member] | Yankee bond [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,505,595

3,026,824

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Available For Sale Investments [Member] | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Available For Sale Investments [Member] | Chilean Central Bank Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Available For Sale Investments [Member] | Yankee bond [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Loans And Accounts Receivable From Customers [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Between 1 and 3 years [Member] | Loans And Accounts Receivable From Customers [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

583,061

Cash Flow Hedge [Member] | More Than 3 Months To 1 Year [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

2,956,878

1,856,586

Cash Flow Hedge [Member] | More Than 3 Months To 1 Year [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,938,222

1,637,604

Cash Flow Hedge [Member] | More Than 3 Months To 1 Year [Member] | Currency Forwards [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,018,656

218,982

Cash Flow Hedge [Member] | More Than 1 Year [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

11,616,489

6,672,566

Cash Flow Hedge [Member] | More Than 1 Year [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

10,848,233

6,672,566

Cash Flow Hedge [Member] | More Than 1 Year [Member] | Currency Forwards [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

768,256

Cash Flow Hedge [Member] | Over 6 years [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

4,332,454

2,970,811

2,787,317

Cash Flow Hedge [Member] | Over 6 years [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

4,432,454

2,970,811

2,787,317

Cash Flow Hedge [Member] | Over 6 years [Member] | Currency Forwards [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Over 6 years [Member] | Interbank borrowings [Member] | Interbank Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Over 6 years [Member] | Issued debt instruments [Member] | Senior bonds (fixed rate) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,069,511

503,721

300,874

Cash Flow Hedge [Member] | Over 6 years [Member] | Issued debt instruments [Member] | Senior bonds (variable rate) [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

1,069,511

Cash Flow Hedge [Member] | Over 6 years [Member] | TimeDepositsAndOtherTimeLiabilitiesCategoryMember | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Over 6 years [Member] | Debt Instruments At FVOCI [Member] | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Over 6 years [Member] | Debt Instruments At FVOCI [Member] | Chilean Central Bank Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Over 6 years [Member] | Debt Instruments At FVOCI [Member] | Yankee bond [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Over 6 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Over 6 years [Member] | Loans And Accounts Receivable At Amortised Cost [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

3,136,962

$ 2,467,090

Cash Flow Hedge [Member] | Over 6 years [Member] | Available For Sale Investments [Member] | Time deposits [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Over 6 years [Member] | Available For Sale Investments [Member] | Chilean Central Bank Bonds [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Over 6 years [Member] | Available For Sale Investments [Member] | Yankee bond [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

132,572

Cash Flow Hedge [Member] | Over 6 years [Member] | Loans And Accounts Receivable From Customers [Member] | Commercial Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Cash Flow Hedge [Member] | Over 6 years [Member] | Loans And Accounts Receivable From Customers [Member] | Mortgage Loans [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

2,353,871

Cash Flow Hedge [Member] | Up To 3 Months [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

2,366,012

1,222,521

Cash Flow Hedge [Member] | Up To 3 Months [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

2,266,907

421,428

Cash Flow Hedge [Member] | Up To 3 Months [Member] | Currency Forwards [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

99,105

801,093

Trading Derivatives [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

343,017,782

159,676,837

Trading Derivatives [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

141,390,865

57,578,156

Trading Derivatives [Member] | Currency Forwards [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

54,660,752

31,747,403

Trading Derivatives [Member] | Interest Rate Swap Contract [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

146,680,442

69,802,132

Trading Derivatives [Member] | Call currency options [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

146,787

277,338

Trading Derivatives [Member] | Call interest rate options [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Trading Derivatives [Member] | Put currency options [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

138,936

271,808

Trading Derivatives [Member] | Other derivatives [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Trading Derivatives [Member] | More Than 3 Months To 1 Year [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

79,947,958

32,637,575

Trading Derivatives [Member] | More Than 3 Months To 1 Year [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

20,457,463

7,503,144

Trading Derivatives [Member] | More Than 3 Months To 1 Year [Member] | Currency Forwards [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

18,508,702

10,679,327

Trading Derivatives [Member] | More Than 3 Months To 1 Year [Member] | Interest Rate Swap Contract [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

40,892,909

14,389,389

Trading Derivatives [Member] | More Than 3 Months To 1 Year [Member] | Call currency options [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

47,012

37,099

Trading Derivatives [Member] | More Than 3 Months To 1 Year [Member] | Call interest rate options [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Trading Derivatives [Member] | More Than 3 Months To 1 Year [Member] | Put currency options [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

41,872

28,616

Trading Derivatives [Member] | More Than 3 Months To 1 Year [Member] | Other derivatives [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Trading Derivatives [Member] | More Than 1 Year [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

210,157,647

96,645,866

Trading Derivatives [Member] | More Than 1 Year [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

113,206,678

47,111,371

Trading Derivatives [Member] | More Than 1 Year [Member] | Currency Forwards [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

7,679,464

3,091,393

Trading Derivatives [Member] | More Than 1 Year [Member] | Interest Rate Swap Contract [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

89,109,046

46,342,779

Trading Derivatives [Member] | More Than 1 Year [Member] | Call currency options [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

81,804

49,853

Trading Derivatives [Member] | More Than 1 Year [Member] | Call interest rate options [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Trading Derivatives [Member] | More Than 1 Year [Member] | Put currency options [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

80,655

50,470

Trading Derivatives [Member] | More Than 1 Year [Member] | Other derivatives [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Trading Derivatives [Member] | Up To 3 Months [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

52,912,177

30,393,396

Trading Derivatives [Member] | Up To 3 Months [Member] | Cross Currency Swaps [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

7,726,724

2,963,641

Trading Derivatives [Member] | Up To 3 Months [Member] | Currency Forwards [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

28,472,586

17,976,683

Trading Derivatives [Member] | Up To 3 Months [Member] | Interest Rate Swap Contract [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

16,678,487

9,069,964

Trading Derivatives [Member] | Up To 3 Months [Member] | Call currency options [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

17,971

190,386

Trading Derivatives [Member] | Up To 3 Months [Member] | Call interest rate options [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

Trading Derivatives [Member] | Up To 3 Months [Member] | Put currency options [Member]

Disclosure of detailed information about hedges [line items]

Notional amount

$ 16,409

192,722

Trading Derivatives [Member] | Up To 3 Months [Member] | Other derivatives [Member]

Disclosure of detailed information about hedges [line items]

Notional amount