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: