XML 177 R128.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Debt Instruments at Fair Value Through Other Comprehensive Income (Details Textual) - CLP ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Debt Instruments at Fair Value Through Other Comprehensive Income (Textual) |  |  |
Available for sale investments |  | $ 2,394,323 | $ 2,574,546
Bank maintains guarantees amount | $ 390,954 | 98,832 |
Non-controlling Interest [Member] |  |  |
Debt Instruments at Fair Value Through Other Comprehensive Income (Textual) |  |  |
Cumulative net unrealised income net of tax, available-for-sale financial assets | 1,049 |  |
Total Attributable To Shareholders Of The Bank [Member] |  |  |
Debt Instruments at Fair Value Through Other Comprehensive Income (Textual) |  |  |
Cumulative net unrealised income net of tax, available-for-sale financial assets | 28,135 |  |
Comder Contraparte Central S.A. [Member] |  |  |
Debt Instruments at Fair Value Through Other Comprehensive Income (Textual) |  |  |
Available for sale investments | 65,140 | $ 42,910 |
London Clearing House (LCH) [Member] |  |  |
Debt Instruments at Fair Value Through Other Comprehensive Income (Textual) |  |  |
Available for sale investments | $ 73,109 |  |

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

X
- Definition The amount of financial institutions guarantees amount. + References No definition available. + Details
Name: | bsac_FinancialInstitutionsGuaranteesAmount
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of non-derivative financial assets that are designated as available for sale or are not classified as (a) loans and receivables; (b) held-to-maturity investments; or (c) financial assets at fair value through profit or loss. [Refer: Derivative financial assets; Financial assets at fair value through profit or loss; Held-to-maturity investments] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 8 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_8_d&doctype=Standard&book=b -URIDate 2019-03-27 + Details
Name: | ifrs-full_FinancialAssetsAvailableforsale
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of other comprehensive income, net of tax, related to available-for-sale financial assets. [Refer: Financial assets available-for-sale; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 91 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2017-en-b&anchor=para_91_a&doctype=Standard&forcepdf=true -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2017-en-b&anchor=para_7&doctype=Standard&forcepdf=true -URIDate 2019-03-27 + Details
Name: | ifrs-full_OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_NoncontrollingInterestsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_EquityAttributableToOwnersOfParentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=bsac_ComderContraparteCentralSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=bsac_LondonClearingHouseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |