XML 253 R226.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Fair Value of Financial Assets and Liabilities (Details) - Schedule of Credit Exposure in its Financial Derivative Operations - CLP ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value of Financial Assets and Liabilities (Details) - Schedule of Credit Exposure in its Financial Derivative Operations [Line Items] |  |
Assets | $ 10,725,015 | $ 12,150,722
Liability | 11,988,342 | 14,108,114
Financial derivative contracts with collateral agreement threshold equal to zero [Member] |  |
Fair Value of Financial Assets and Liabilities (Details) - Schedule of Credit Exposure in its Financial Derivative Operations [Line Items] |  |
Assets | 9,802,491 | 8,177,074
Liability | 10,836,243 | 9,588,768
Financial derivative contracts with non-zero threshold collateral agreement [Member] |  |
Fair Value of Financial Assets and Liabilities (Details) - Schedule of Credit Exposure in its Financial Derivative Operations [Line Items] |  |
Assets | 773,325 | 440,091
Liability | 895,894 | 536,318
Financial derivative contracts without collateral agreement [Member] |  |
Fair Value of Financial Assets and Liabilities (Details) - Schedule of Credit Exposure in its Financial Derivative Operations [Line Items] |  |
Assets | 149,199 | 3,533,557
Liability | $ 256,205 | $ 3,983,028

X
- Definition The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]] + References No definition available. + Details
Name: | bsac_DerivativeFinancialAsset
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Liability derrivative financial instruments. + References No definition available. + Details
Name: | bsac_OtherDerrivativeFinancialLiability
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | bsac_FinancialDerivativeContractsAxis=bsac_FinancialDerivativeContractsWithCollateralAgreementThresholdEqualToZeroMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bsac_FinancialDerivativeContractsAxis=bsac_FinancialDerivativeContractsWithNonzeroThresholdCollateralAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bsac_FinancialDerivativeContractsAxis=bsac_FinancialDerivativeContractsWithoutCollateralAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |