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v3.22.4

Transactions With Related Parties (Details) $ in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 CLP ($) | Dec. 31, 2021 CLP ($) | Dec. 31, 2020 CLP ($) | Dec. 31, 2022 USD ($)
Disclosure Of Related Party Text Block Abstract |  |  |  |
Loan with non-controlled companies | $ 27,544 | $ 1,174 | $ 2,286 |
Exceed amount (in Dollars) |  |  |  | $ 82,654

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- Definition Companies Related party loan amount. + References No definition available. + Details
Name: | bsac_CompaniesRelatedPartyLoanAmount
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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- Definition The amount of payables due to related parties. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 78 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_TradeAndOtherPayablesToRelatedParties
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant