XML 74 R54.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Investments Under Resale Agreements and Obligations Under Repurchase Agreements (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Disclosure of repurchase and reverse repurchase agreements [text block] [Abstract] |
Schedule of selling financial instruments |
|  | As of December 31, |
|  | 2021 |  |  | 2020 |
|  | From 1 day to less than 3 months |  |  | More than 3 months and less than 1 year |  |  | More than 1 year |  |  | Total |  |  | From 1 day to less than 3 months |  |  | More than 3 months and less than 1 year |  |  | More than 1 year |  |  | Total |
|  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |
Securities from Chilean Government and the Chilean Central Bank: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Chilean Central Bank Bonds |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Chilean Central Bank Notes |  |  | 76,725 |  |  |  | - |  |  |  | - |  |  |  | 76,725 |  |  |  | 461.961 |  |  |  | - |  |  |  | - |  |  |  | 461.961 |
Other securities from the Government and the Chilean Central Bank |  |  | 9,829 |  |  |  | - |  |  |  | - |  |  |  | 9,829 |  |  |  | 507.448 |  |  |  | - |  |  |  | - |  |  |  | 507.448 |
Subtotal |  |  | 86,554 |  |  |  | - |  |  |  | - |  |  |  | 86,554 |  |  |  | 969.409 |  |  |  | - |  |  |  | - |  |  |  | 969.409 |
Instruments from other domestic institutions: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Time deposits in Chilean financial institutions |  |  | 80 |  |  |  | - |  |  |  | - |  |  |  | 80 |  |  |  | 399 |  |  |  | - |  |  |  | - |  |  |  | 399 |
Subtotal |  |  | 80 |  |  |  | - |  |  |  | - |  |  |  | 80 |  |  |  | 399 |  |  |  | - |  |  |  | - |  |  |  | 399 |
Instruments from other foreign institutions: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities from Government or foreign Central Banks |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Subtotal |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Total |  |  | 86,634 |  |  |  | - |  |  |  | - |  |  |  | 86,634 |  |  |  | 969,808 |  |  |  | - |  |  |  | - |  |  |  | 969,808 |
Schedule of portfolio of collateral associated with repurchase agreements at fair value |
|  | As of December 31, |
|  | 2021 |  |  | 2020 |
|  | Debt instruments at FVOCI |  |  | Financial assets held for trading |  |  | Total |  |  | Debt instruments at FVOCI |  |  | Financial assets held for trading |  |  | Total |
|  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |
Chilean Central Bank and Government securities: |
Chilean Central Bank Bonds |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Chilean Central Bank Notes |  |  | 76,786 |  |  |  | - |  |  |  | 76,786 |  |  |  | 461,965 |  |  |  | - |  |  |  | 461,965 |
Other securities from the Government and the Chilean Central Bank |  |  | 9,877 |  |  |  | - |  |  |  | 9,877 |  |  |  | 507,543 |  |  |  | - |  |  |  | 507,543 |
Subtotal |  |  | 86,663 |  |  |  | - |  |  |  | 86,663 |  |  |  | 969,508 |  |  |  | - |  |  |  | 969,508 |
Other Chilean securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Time deposits in Chilean financial institutions |  |  | 80 |  |  |  | - |  |  |  | 80 |  |  |  | 399 |  |  |  | - |  |  |  | 399 |
Subtotal |  |  | 80 |  |  |  | - |  |  |  | 80 |  |  |  | 399 |  |  |  | - |  |  |  | 399 |
Instruments from other foreign institutions: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities from Government or foreign Central Banks |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Subtotal |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Total |  |  | 86,743 |  |  |  | - |  |  |  | 86,743 |  |  |  | 969,907 |  |  |  |  |  |  |  | 969,907 |

X
- Definition The disclosure about portfolio of collateral associated with repurchase agreements at fair value. + References No definition available. + Details
Name: | bsac_DetailedInformationAboutPortfolioOfCollateralAssociatedWithRepurchaseAgreementsAtFairValueExplanatoryTextBlock
Namespace Prefix: | bsac_
Data Type: | dtr:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure about detailed information about selling financial instruments. + References No definition available. + Details
Name: | bsac_DetailedInformationAboutSellingFinancialInstrumentsExplanatoryTextBlock
Namespace Prefix: | bsac_
Data Type: | dtr:textBlockItemType
Balance Type: | na
Period Type: | duration

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