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Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss in commercial loans - Commercial Loans [Member] - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss in commercial loans [Line Items]    
Gross carrying amount, Beginning balance $ 16,987,189 $ 15,862,325
Transfers:    
Transfers from stage 1 to stage 2
Transfers from stage 1 to stage 3
Transfers from stage 2 to stage 3
Transfers from stage 2 to stage 1
Transfers from stage 3 to stage 2
Transfers from stage 3 to stage 1
Net changes of financial assets 865,439 1,285,080
Write-off (170,374) (168,537)
Other adjustments (28,613) 8,321
Gross carrying amount, Ending balance 17,653,641 16,987,189
Expected credit losses allowances, Beginning balance 645,072 506,569
Transfers    
Transfers to stage 2 61,457 58,928
Transfers to stage 3 10,529 20,225
Transfers to stage 3 64,445 74,776
Transfers to stage 1 (24,850) (22,087)
Transfers to stage 2 (11,884) (19,188)
Transfers to stage 1 (61) (40)
Net changes of the exposure and modifications in credit risk 28,056 193,594
Write-off (170,374) (167,382)
Other adjustments 975 (323)
Expected credit losses allowances, Ending balance 603,365 645,072
Corporate [Member] | Stage 1 [Member]    
Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss in commercial loans [Line Items]    
Gross carrying amount, Beginning balance 9,723,988 10,208,264
Transfers:    
Transfers from stage 1 to stage 2 (915,643) (1,355,492)
Transfers from stage 1 to stage 3 (6,966) (2,492)
Transfers from stage 2 to stage 3
Transfers from stage 2 to stage 1 632,584 239,349
Transfers from stage 3 to stage 2
Transfers from stage 3 to stage 1
Net changes of financial assets 1,571,979 676,413
Write-off
Other adjustments (36,430) (1,243)
Gross carrying amount, Ending balance 10,969,512 9,764,799
Expected credit losses allowances, Beginning balance 39,174 21,539
Transfers    
Transfers to stage 2 (11,895) (23,652)
Transfers to stage 3 (84) (9)
Transfers to stage 3
Transfers to stage 1 9,294 2,919
Transfers to stage 2
Transfers to stage 1
Net changes of the exposure and modifications in credit risk 12,551 39,971
Write-off
Other adjustments 1,012 (1,179)
Expected credit losses allowances, Ending balance 50,052 39,589
Corporate [Member] | Stage 2 [Member]    
Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss in commercial loans [Line Items]    
Gross carrying amount, Beginning balance 1,589,715 1,004,967
Transfers:    
Transfers from stage 1 to stage 2 915,643 1,355,492
Transfers from stage 1 to stage 3
Transfers from stage 2 to stage 3 (174,851) (198,124)
Transfers from stage 2 to stage 1 (632,584) (239,349)
Transfers from stage 3 to stage 2 4,410 4,022
Transfers from stage 3 to stage 1
Net changes of financial assets (290,971) (337,291)
Write-off
Other adjustments 1 (2)
Gross carrying amount, Ending balance 1,411,363 1,589,715
Expected credit losses allowances, Beginning balance 65,452 30,389
Transfers    
Transfers to stage 2 51,953 50,253
Transfers to stage 3
Transfers to stage 3 (24,577) (25,214)
Transfers to stage 1 (23,462) (9,322)
Transfers to stage 2 297 943
Transfers to stage 1
Net changes of the exposure and modifications in credit risk 31,673 18,462
Write-off
Other adjustments (2) (59)
Expected credit losses allowances, Ending balance 101,334 65,452
Corporate [Member] | Stage 3 [Member]    
Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss in commercial loans [Line Items]    
Gross carrying amount, Beginning balance 530,066 401,007
Transfers:    
Transfers from stage 1 to stage 2
Transfers from stage 1 to stage 3 6,966 2,492
Transfers from stage 2 to stage 3 174,851 198,124
Transfers from stage 2 to stage 1
Transfers from stage 3 to stage 2 (4,410) (4,022)
Transfers from stage 3 to stage 1
Net changes of financial assets (76,707) (537)
Write-off (79,529) (66,989)
Other adjustments (9)
Gross carrying amount, Ending balance 551,237 530,066
Expected credit losses allowances, Beginning balance 261,505 196,165
Transfers    
Transfers to stage 2
Transfers to stage 3 1,696 1,089
Transfers to stage 3 66,562 73,885
Transfers to stage 1
Transfers to stage 2 (1,715) (1,560)
Transfers to stage 1
Net changes of the exposure and modifications in credit risk (26,003) 58,915
Write-off (79,529) (66,989)
Other adjustments
Expected credit losses allowances, Ending balance 222,516 261,505
Other Commercial [Member] | Stage 1 [Member]    
Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss in commercial loans [Line Items]    
Gross carrying amount, Beginning balance 4,534,810 3,594,359
Transfers:    
Transfers from stage 1 to stage 2 (215,952) (277,926)
Transfers from stage 1 to stage 3 (26,769) (52,304)
Transfers from stage 2 to stage 3
Transfers from stage 2 to stage 1 105,704 162,768
Transfers from stage 3 to stage 2
Transfers from stage 3 to stage 1 67 138
Net changes of financial assets (281,046) 1,056,882
Write-off
Other adjustments 7,541 10,082
Gross carrying amount, Ending balance 4,124,355 4,493,999
Expected credit losses allowances, Beginning balance 41,358 35,888
Transfers    
Transfers to stage 2 (24,694) (16,137)
Transfers to stage 3 (1,515) (3,007)
Transfers to stage 3
Transfers to stage 1 5,223 4,921
Transfers to stage 2
Transfers to stage 1 17 5
Net changes of the exposure and modifications in credit risk 18,202 19,264
Write-off
Other adjustments 6 9
Expected credit losses allowances, Ending balance 38,597 40,943
Other Commercial [Member] | Stage 2 [Member]    
Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss in commercial loans [Line Items]    
Gross carrying amount, Beginning balance 228,591 240,100
Transfers:    
Transfers from stage 1 to stage 2 215,952 277,926
Transfers from stage 1 to stage 3
Transfers from stage 2 to stage 3 (138,464) (163,049)
Transfers from stage 2 to stage 1 (105,704) (162,768)
Transfers from stage 3 to stage 2 60,942 117,446
Transfers from stage 3 to stage 1
Net changes of financial assets (28,054) (80,505)
Write-off
Other adjustments (105) (559)
Gross carrying amount, Ending balance 233,158 228,591
Expected credit losses allowances, Beginning balance 44,315 25,555
Transfers    
Transfers to stage 2 46,093 48,464
Transfers to stage 3
Transfers to stage 3 (30,672) (29,540)
Transfers to stage 1 (15,905) (20,605)
Transfers to stage 2 2,129 4,424
Transfers to stage 1
Net changes of the exposure and modifications in credit risk (31,186) 15,122
Write-off
Other adjustments (119) 895
Expected credit losses allowances, Ending balance 14,655 44,315
Other Commercial [Member] | Stage 3 [Member]    
Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss in commercial loans [Line Items]    
Gross carrying amount, Beginning balance 380,019 413,628
Transfers:    
Transfers from stage 1 to stage 2
Transfers from stage 1 to stage 3 26,769 52,304
Transfers from stage 2 to stage 3 138,464 163,049
Transfers from stage 2 to stage 1
Transfers from stage 3 to stage 2 (60,942) (117,446)
Transfers from stage 3 to stage 1 (67) (138)
Net changes of financial assets (29,762) (29,882)
Write-off (90,845) (101,548)
Other adjustments 380 52
Gross carrying amount, Ending balance 364,016 380,019
Expected credit losses allowances, Beginning balance 193,268 197,033
Transfers    
Transfers to stage 2
Transfers to stage 3 10,432 22,152
Transfers to stage 3 53,132 55,645
Transfers to stage 1
Transfers to stage 2 (12,595) (22,995)
Transfers to stage 1 (78) (45)
Net changes of the exposure and modifications in credit risk 22,819 41,860
Write-off (90,845) (100,393)
Other adjustments 78 11
Expected credit losses allowances, Ending balance $ 176,211 $ 193,268