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v3.19.3.a.u2

Pension Plans (Details 3) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Pension Plans [Abstract] |  |  |
Type of expected yield from the plan's assets | UF + 2,50% annual | UF + 2.50% annual | UF + 2.50% annual
Type of yield expected from the reimbursement rights | UF + 2,50% annual | UF + 2.50% annual | UF + 2.50% annual

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- References No definition available. + Details
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- Definition Represent information about the type of expected yield from the plan&amp;amp;amp;amp;amp;amp;#8217;s assets. + References No definition available. + Details
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Namespace Prefix: | bsac_
Data Type: | xbrli:stringItemType
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- Definition Represent information about the type of expected yield from the reimbursement rights. + References No definition available. + Details
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Namespace Prefix: | bsac_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration