XML 155 R130.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Investments in Associates and Other Companies (Details) - Schedule of Fair Value of these Equity Investments - CLP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Schedule of Fair Value of these Equity Investments [Line Items] |  |
Investment value | $ 3,468 | $ 3,594
Stock exchange |  |
Schedule of Fair Value of these Equity Investments [Line Items] |  |
Investment value | 3,451 | 3,575
Others |  |
Schedule of Fair Value of these Equity Investments [Line Items] |  |
Investment value | $ 17 | $ 19

X
- Definition Schedule of Fair Value of these Equity Investments [Line Items] + References No definition available. + Details
Name: | bsac_ScheduleOfFairValueOfTheseEquityInvestmentsLineItems
Namespace Prefix: | bsac_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of investments in associates in an entity's separate financial statements. [Refer: Total for all associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2024-01-01 -Paragraph 10 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_10&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_InvestmentsInAssociates
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=bsac_StockExchangesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=bsac_OtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |