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v3.22.4

Risk Management (Details) - Schedule of liquidity coverage ratio | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Schedule Of Liquidity Coverage Ratio Abstract |  |
LCR | 175.00% | 149.00%

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- Definition The percentage of liquidity coverage ratio is the requirement whereby banks must hold an amount of high-quality liquid assets that's enough to fund cash outflows for 30 days. + References No definition available. + Details
Name: | bsac_LiquidityCoverageRatio
Namespace Prefix: | bsac_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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