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Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss in mortgage loans - Mortgages [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 mortgage loans [Line Items]    
Gross carrying amount, Beginning balance $ 12,411,825 $ 11,262,995
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 1,504,063 1,174,311
Write-off (31,895) (25,831)
Other adjustments (7,819) 350
Gross carrying amount, Ending balance 13,876,174 12,411,825
Transfers:    
Expected credit losses allowances, Beginning balance 112,522 101,059
Transfers    
Transfers from stage 1 to stage 2 (162) 7,252
Transfers from stage 1 to stage 3 2,035 4,076
Transfers from stage 2 to stage 3 10,687 11,111
Transfers from stage 2 to stage 1 (994) (10,725)
Transfers from stage 3 to stage 2 (10,298) (21,113)
Transfers from stage 3 to stage 1 (36) (35)
Net changes of the exposure and modifications in credit risk 61,876 46,723
Write-off (31,895) (25,831)
Other adjustments (77) 5
Expected credit losses allowances, Ending balance 143,658 112,522
Stage 1 [Member]    
Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss in mortgage loans [Line Items]    
Gross carrying amount, Beginning balance 11,518,363 10,275,966
Transfers from stage 1 to stage 2 (157,009) (248,167)
Transfers from stage 1 to stage 3 (29,280) (53,621)
Transfers from stage 2 to stage 3
Transfers from stage 2 to stage 1 121,278 321,954
Transfers from stage 3 to stage 2
Transfers from stage 3 to stage 1 508 463
Net changes of financial assets 1,520,280 1,221,898
Write-off
Other adjustments (7,540) (130)
Gross carrying amount, Ending balance 12,966,600 11,518,363
Transfers:    
Expected credit losses allowances, Beginning balance 25,065 8,446
Transfers    
Transfers from stage 1 to stage 2 (15,297) (5,250)
Transfers from stage 1 to stage 3 (715) (472)
Transfers from stage 2 to stage 3
Transfers from stage 2 to stage 1 7,681 3,187
Transfers from stage 3 to stage 2
Transfers from stage 3 to stage 1 8 2
Net changes of the exposure and modifications in credit risk 8,649 19,162
Write-off
Other adjustments (6) (10)
Expected credit losses allowances, Ending balance 25,385 25,065
Stage 2 [Member]    
Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss in mortgage loans [Line Items]    
Gross carrying amount, Beginning balance 392,372 457,948
Transfers from stage 1 to stage 2 157,009 248,167
Transfers from stage 1 to stage 3
Transfers from stage 2 to stage 3 (172,574) (215,547)
Transfers from stage 2 to stage 1 (121,278) (321,954)
Transfers from stage 3 to stage 2 122,001 248,635
Transfers from stage 3 to stage 1
Net changes of financial assets (9,792) (25,440)
Write-off
Other adjustments 99 563
Gross carrying amount, Ending balance 367,837 392,372
Transfers:    
Expected credit losses allowances, Beginning balance 8,441 14,509
Transfers    
Transfers from stage 1 to stage 2 15,135 12,502
Transfers from stage 1 to stage 3
Transfers from stage 2 to stage 3 (9,062) (8,923)
Transfers from stage 2 to stage 1 (8,675) (13,912)
Transfers from stage 3 to stage 2 3,529 7,033
Transfers from stage 3 to stage 1
Net changes of the exposure and modifications in credit risk 3,356 (2,791)
Write-off
Other adjustments 4 23
Expected credit losses allowances, Ending balance 12,728 8,441
Stage 3 [Member]    
Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss in mortgage loans [Line Items]    
Gross carrying amount, Beginning balance 501,090 529,081
Transfers from stage 1 to stage 2
Transfers from stage 1 to stage 3 29,280 53,621
Transfers from stage 2 to stage 3 172,574 215,547
Transfers from stage 2 to stage 1
Transfers from stage 3 to stage 2 (122,001) (248,635)
Transfers from stage 3 to stage 1 (508) (463)
Net changes of financial assets (6,425) (22,147)
Write-off (31,895) (25,831)
Other adjustments (378) (83)
Gross carrying amount, Ending balance 541,737 501,090
Transfers:    
Expected credit losses allowances, Beginning balance 79,016 78,104
Transfers    
Transfers from stage 1 to stage 2
Transfers from stage 1 to stage 3 2,750 4,548
Transfers from stage 2 to stage 3 19,749 20,034
Transfers from stage 2 to stage 1
Transfers from stage 3 to stage 2 (13,827) (28,146)
Transfers from stage 3 to stage 1 (44) (37)
Net changes of the exposure and modifications in credit risk 49,871 30,352
Write-off (31,895) (25,831)
Other adjustments (75) (8)
Expected credit losses allowances, Ending balance $ 105,545 $ 79,016