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v3.22.0.1

Non-Controlling Interest (Details) | 1 Months Ended
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Nov. 27, 2019
Disclosure of non-controlling interests [text block] [Abstract] |
Bank acquired, percentage | 51.00%
Non-controlling interest, percentage | 49.00%

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- References No definition available. + Details
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Namespace Prefix: | bsac_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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Namespace Prefix: | bsac_
Data Type: | xbrli:stringItemType
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- Definition Non-controlling interest, percentage. + References No definition available. + Details
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Namespace Prefix: | bsac_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration