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Debt Instruments at Fair Value Through Other Comprehensive Income (Details) - Schedule of changes in the fair value and the corresponding ECL - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Debt Instruments at Fair Value Through Other Comprehensive Income (Details) - Schedule of changes in the fair value and the corresponding ECL [Line Items]    
Beginning balance $ 7,162,542 $ 4,010,272
Ending balance 1,358 7,162,542
New assets purchased 22,610,556 14,708,776
Transfers to stage 1
Transfers to stage 2
Transfers to stage 3
Assets derecognized or matured (excluding write-off) (23,770,174) (11,440,253)
Changes due to modifications not derecognized (201,143) 100,401
Other adjustments (216,654)
Expected Credit Losses Stage1 [Member] |    
Debt Instruments at Fair Value Through Other Comprehensive Income (Details) - Schedule of changes in the fair value and the corresponding ECL [Line Items]    
Beginning balance 7,162,542 4,010,272
Ending balance 1,358 7,162,542
New assets purchased 22,610,556 14,708,776
Transfers to stage 1
Transfers to stage 2
Transfers to stage 3
Assets derecognized or matured (excluding write-off) (23,770,174) (11,440,253)
Changes due to modifications not derecognized (201,143) 100,401
Other adjustments (216,654)
Expected Credit Losses Stage 2 [Member] |    
Debt Instruments at Fair Value Through Other Comprehensive Income (Details) - Schedule of changes in the fair value and the corresponding ECL [Line Items]    
Beginning balance
Ending balance
New assets purchased
Transfers to stage 1
Transfers to stage 2
Transfers to stage 3
Assets derecognized or matured (excluding write-off)
Changes due to modifications not derecognized
Other adjustments
Expected Credit Losses Stage 3 [Member] |    
Debt Instruments at Fair Value Through Other Comprehensive Income (Details) - Schedule of changes in the fair value and the corresponding ECL [Line Items]    
Beginning balance
Ending balance
New assets purchased
Transfers to stage 1
Transfers to stage 2
Transfers to stage 3
Assets derecognized or matured (excluding write-off)
Changes due to modifications not derecognized
Other adjustments
ECL [Member]    
Debt Instruments at Fair Value Through Other Comprehensive Income (Details) - Schedule of changes in the fair value and the corresponding ECL [Line Items]    
Beginning balance 1,138 456
Ending balance 703 1,138
New assets purchased 3,293 1,965
Transfers to stage 1
Transfers to stage 2
Transfers to stage 3
Assets derecognized or matured (excluding write-off) (3,608) (1,501)
Changes due to modifications not derecognized (120) 219
Write-off
Other adjustments (1)
ECL [Member] | Expected Credit Losses Stage1 [Member] |    
Debt Instruments at Fair Value Through Other Comprehensive Income (Details) - Schedule of changes in the fair value and the corresponding ECL [Line Items]    
Beginning balance 1,138 456
Ending balance 703 1,138
New assets purchased 3,293 1,965
Transfers to stage 1
Transfers to stage 2
Transfers to stage 3
Assets derecognized or matured (excluding write-off) (3,608) (1,501)
Changes due to modifications not derecognized (120) 219
Write-off
Other adjustments (1)
ECL [Member] | Expected Credit Losses Stage 2 [Member] |    
Debt Instruments at Fair Value Through Other Comprehensive Income (Details) - Schedule of changes in the fair value and the corresponding ECL [Line Items]    
Beginning balance
Ending balance
New assets purchased
Transfers to stage 1
Transfers to stage 2
Transfers to stage 3
Assets derecognized or matured (excluding write-off)
Changes due to modifications not derecognized
Write-off
Other adjustments
ECL [Member] | Expected Credit Losses Stage 3 [Member] |    
Debt Instruments at Fair Value Through Other Comprehensive Income (Details) - Schedule of changes in the fair value and the corresponding ECL [Line Items]    
Beginning balance
Ending balance
New assets purchased
Transfers to stage 1
Transfers to stage 2
Transfers to stage 3
Assets derecognized or matured (excluding write-off)
Changes due to modifications not derecognized
Write-off
Other adjustments