XML 53 R236.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Risk Management (Details 17) - CLP ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Financial management portfolio - local currency [Member] | Loss Limit [Member] |  |
Statement Line Items [Line Items] |  |
Effect on financial income | $ 100,000 | $ 48,000
Effect on capital | 275,000 | 192,001
Financial management portfolio - local currency [Member] | High [Member] |  |
Statement Line Items [Line Items] |  |
Effect on financial income | 32,719 | 43,742
Effect on capital | 273,473 | 189,725
Financial management portfolio - local currency [Member] | Average [Member] |  |
Statement Line Items [Line Items] |  |
Effect on financial income | 24,719 | 37,569
Effect on capital | 228,772 | 180,972
Financial management portfolio - local currency [Member] | Low [Member] |  |
Statement Line Items [Line Items] |  |
Effect on financial income | 12,686 | 27,854
Effect on capital | 145,338 | 170,450
Financial management portfolio - consolidated [Member] | Loss Limit [Member] |  |
Statement Line Items [Line Items] |  |
Effect on financial income | 100,000 | 48,000
Effect on capital | 275,000 | 192,002
Financial management portfolio - consolidated [Member] | High [Member] |  |
Statement Line Items [Line Items] |  |
Effect on financial income | 34,462 | 45,492
Effect on capital | 271,989 | 192,848
Financial management portfolio - consolidated [Member] | Average [Member] |  |
Statement Line Items [Line Items] |  |
Effect on financial income | 27,918 | 38,908
Effect on capital | 227,303 | 182,557
Financial management portfolio - consolidated [Member] | Low [Member] |  |
Statement Line Items [Line Items] |  |
Effect on financial income | 15,236 | 29,167
Effect on capital | 143,836 | 168,766
Financial management portfolio - foreign currency [Member] | Loss Limit [Member] | USD [Member] |  |
Statement Line Items [Line Items] |  |
Effect on financial income | 30 | 30
Effect on capital | 75 | 75
Financial management portfolio - foreign currency [Member] | High [Member] | USD [Member] |  |
Statement Line Items [Line Items] |  |
Effect on financial income | 20 | 12
Effect on capital | 35 | 38
Financial management portfolio - foreign currency [Member] | Average [Member] | USD [Member] |  |
Statement Line Items [Line Items] |  |
Effect on financial income | 12 | 9
Effect on capital | 12 | 22
Financial management portfolio - foreign currency [Member] | Low [Member] | USD [Member] |  |
Statement Line Items [Line Items] |  |
Effect on financial income | 5 | 4
Effect on capital | $ 1 | $ (10)

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

X
- References No definition available. + Details
Name: | bsac_MarketRiskEffectEffectOnCapital
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsac_MarketRiskEffectOnFinancialIncome
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_MarketRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bsac_RangesAxis=bsac_LossLimitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bsac_RangesAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bsac_RangesAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bsac_RangesAxis=bsac_MaximumLowMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=bsac_MarketRisk2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=bsac_MarketRisk1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bsac_TypesOfCurrencyAxis=bsac_USDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |