XML 198 R173.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Regulatory Capital Financial Instruments (Details) - Schedule of Maturities of Subordinated Bond - CLP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Schedule of maturities of subordinated bond [Abstract] |  |
Total subordinated bonds | $ 1,910,697 | $ 1,813,938
Due within 1 year |  |
Schedule of maturities of subordinated bond [Abstract] |  |
Total subordinated bonds | 0 | 0
Due after 1 year but within 2 years |  |
Schedule of maturities of subordinated bond [Abstract] |  |
Total subordinated bonds | 201,066 | 0
Due after 2 year but within 3 years |  |
Schedule of maturities of subordinated bond [Abstract] |  |
Total subordinated bonds | 0 | 188,868
Due after 3 year but within 4 years |  |
Schedule of maturities of subordinated bond [Abstract] |  |
Total subordinated bonds | 131,208 | 0
Due after 4 year but within 5 years |  |
Schedule of maturities of subordinated bond [Abstract] |  |
Total subordinated bonds | 0 | 110,296
Due after 5 years |  |
Schedule of maturities of subordinated bond [Abstract] |  |
Total subordinated bonds | $ 1,578,423 | $ 1,514,774

X
- Definition Schedule of maturities of subordinated bond [Abstract] + References No definition available. + Details
Name: | bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofMaturitiesofSubordinatedBondLineItems
Namespace Prefix: | bsac_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of liabilities that are subordinate to other liabilities with respect to claims. + References No definition available. + Details
Name: | bsac_TotalSubordinatedBonds
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_MaturityAxis=bsac_DueWithinOneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=bsac_DueAfterOneYearButWithinTwoYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=bsac_DueAfterTwoYearButWithinThreeYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=bsac_DueAfterThreeYearButWithinFourYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=bsac_DueAfterFourYearButWithinFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=bsac_DueAfterFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |