XML 249 R226.htm IDEA: XBRL DOCUMENT
v3.22.4

Fair Value of Financial Assets and Liabilities (Details) - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Fair Value of Financial Assets and Liabilities (Details) [Line Items] |  |
Observable market are valued rate | 100.00% |
Derivatives contract guarantees | $ 1,695,431 | $ 746,729
Derivative Contract Guarantees [Member] |  |
Fair Value of Financial Assets and Liabilities (Details) [Line Items] |  |
Derivatives contract guarantees | $ 882,398 | $ 999,425

X
- Definition Amount related to derivatives contract have guarantees. + References No definition available. + Details
Name: | bsac_DerivativesContractHaveGuarantees
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsac_FairValueofFinancialAssetsandLiabilitiesDetailsLineItems
Namespace Prefix: | bsac_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Observable market are valued rate. + References No definition available. + Details
Name: | bsac_ObservableMarketAreValuedRate
Namespace Prefix: | bsac_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_FinancialGuaranteeContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |