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Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss - Consumer 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 [Line Items]    
Gross carrying amount, Beginning balance $ 4,940,879 $ 5,546,195
Gross carrying amount, Ending balance 4,999,247 4,940,879
Expected credit losses allowances, Beginning balance 279,199 288,467
Expected credit losses allowances, Ending balance 304,411 279,199
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 177,317 (385,899)
Write-off (118,953) (219,402)
Other adjustments 4 (15)
Transfers:    
Transfers from stage 1 to stage 2 14,770 59,428
Transfers from stage 1 to stage 3 3,068 7,577
Transfers from stage 2 to stage 3 13,479 33,563
Transfers from stage 2 to stage 1 (18,397) (28,339)
Transfers from stage 3 to stage 2 (9,823) (18,487)
Transfers from stage 3 to stage 1 (488) (611)
Net changes of the exposure and modifications in the credit risk 141,560 141,894
Write-off (118,953) (204,286)
Other adjustments (4) (7)
Collective [Member] | Stage 1 [Member]    
Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss [Line Items]    
Gross carrying amount, Beginning balance 4,439,163 4,963,047
Gross carrying amount, Ending balance 4,603,589 4,439,163
Expected credit losses allowances, Beginning balance 88,825 67,396
Expected credit losses allowances, Ending balance 125,939 88,825
Transfers:    
Transfers from stage 1 to stage 2 (191,748) (410,942)
Transfers from stage 1 to stage 3 (11,715) (16,962)
Transfers from stage 2 to stage 3
Transfers from stage 2 to stage 1 113,107 238,800
Transfers from stage 3 to stage 2
Transfers from stage 3 to stage 1 185 2,225
Net changes of financial assets 254,596 (337,006)
Write-off
Other adjustments 1 1
Transfers:    
Transfers from stage 1 to stage 2 (53,167) (36,422)
Transfers from stage 1 to stage 3 (1,954) (1,484)
Transfers from stage 2 to stage 3
Transfers from stage 2 to stage 1 11,789 13,589
Transfers from stage 3 to stage 2
Transfers from stage 3 to stage 1 418 254
Net changes of the exposure and modifications in the credit risk 80,028 45,492
Write-off
Other adjustments
Collective [Member] | Stage 2 [Member]    
Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss [Line Items]    
Gross carrying amount, Beginning balance 236,595 292,718
Gross carrying amount, Ending balance 178,519 236,595
Expected credit losses allowances, Beginning balance 31,732 50,808
Expected credit losses allowances, Ending balance 38,197 31,732
Transfers:    
Transfers from stage 1 to stage 2 191,748 410,942
Transfers from stage 1 to stage 3
Transfers from stage 2 to stage 3 (111,869) (223,169)
Transfers from stage 2 to stage 1 (113,107) (238,800)
Transfers from stage 3 to stage 2 24,112 57,574
Transfers from stage 3 to stage 1
Net changes of financial assets (48,966) (62,658)
Write-off
Other adjustments 6 (12)
Transfers:    
Transfers from stage 1 to stage 2 67,937 95,850
Transfers from stage 1 to stage 3
Transfers from stage 2 to stage 3 (59,937) (75,229)
Transfers from stage 2 to stage 1 (30,186) (41,928)
Transfers from stage 3 to stage 2 6,392 10,162
Transfers from stage 3 to stage 1
Net changes of the exposure and modifications in the credit risk 22,261 (7,926)
Write-off
Other adjustments (2) (5)
Collective [Member] | Stage 3 [Member]    
Loans and Accounts Receivable at Amortized Cost (Details) - Schedule of gross carrying amount expected credit loss [Line Items]    
Gross carrying amount, Beginning balance 265,121 290,430
Gross carrying amount, Ending balance 217,139 265,121
Expected credit losses allowances, Beginning balance 158,642 170,263
Expected credit losses allowances, Ending balance 140,275 158,642
Transfers:    
Transfers from stage 1 to stage 2
Transfers from stage 1 to stage 3 11,715 16,962
Transfers from stage 2 to stage 3 111,869 223,169
Transfers from stage 2 to stage 1
Transfers from stage 3 to stage 2 (24,112) (57,574)
Transfers from stage 3 to stage 1 (185) (2,225)
Net changes of financial assets (28,313) 13,765
Write-off (118,953) (219,402)
Other adjustments (3) (4)
Transfers:    
Transfers from stage 1 to stage 2
Transfers from stage 1 to stage 3 5,022 9,061
Transfers from stage 2 to stage 3 73,416 108,792
Transfers from stage 2 to stage 1
Transfers from stage 3 to stage 2 (16,215) (28,649)
Transfers from stage 3 to stage 1 (906) (865)
Net changes of the exposure and modifications in the credit risk 39,271 104,328
Write-off (118,953) (204,286)
Other adjustments $ (2) $ (2)