XML 256 R206.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Pension Plans (Details) - Other post-employment benefit plans [Member] | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of defined benefit plans [line items] |  |
Mortality chart | RV-2014 | RV-2014
Termination of contract rates | 5.00% | 5.00%
Impairment chart | PDT 1985 | PDT 1985

X
- Definition Represent information about the impairment chart. + References No definition available. + Details
Name: | bsac_ImpairmentChart
Namespace Prefix: | bsac_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represent information about the mortality chart. + References No definition available. + Details
Name: | bsac_MortalityChart
Namespace Prefix: | bsac_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2019-01-01 -Paragraph 144 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2019-en-r&anchor=para_144&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_ActuarialAssumptionOfDiscountRates
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfDefinedBenefitPlansLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_DefinedBenefitPlansAxis=bsac_OtherPostretirementBenefitPlansDefinedBenefit1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |