XML 252 R227.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Fair Value of Financial Assets and Liabilities (Details) - Schedule of Credit Exposure in its Financial Derivative Operations - CLP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Schedule of Credit Exposure in its Financial Derivative Operations [Line Items] |  |
Assets | $ 13,153,398 | $ 10,725,015
Liability | 13,053,418 | 11,988,342
Financial derivative contracts with collateral agreement threshold equal to zero |  |
Schedule of Credit Exposure in its Financial Derivative Operations [Line Items] |  |
Assets | 12,081,545 | 9,802,491
Liability | 11,782,472 | 10,836,243
Financial derivative contracts with non-zero threshold collateral agreement |  |
Schedule of Credit Exposure in its Financial Derivative Operations [Line Items] |  |
Assets | 850,201 | 773,325
Liability | 949,739 | 895,894
Financial derivative contracts without collateral agreement |  |
Schedule of Credit Exposure in its Financial Derivative Operations [Line Items] |  |
Assets | 221,652 | 149,199
Liability | $ 321,207 | $ 256,205

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
- Definition Schedule of Credit Exposure in its Financial Derivative Operations [Line Items] + References No definition available. + Details
Name: | bsac_FairValueOfFinancialAssetsAndLiabilitiesDetailsScheduleOfCreditExposureInItsFinancialDerivativeOperationsLineItems
Namespace Prefix: | bsac_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Liability derivative financial instruments. + References No definition available. + Details
Name: | bsac_OtherDerivativeFinancialLiability
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: |