XML 102 R226.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Risk Management (Details 7) - CLP ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Disclosure of risk management strategy related to hedge accounting [line items] |  |
Expected credit loss allowance | $ 2,042 | $ 723
Credit Risk [Member] |  |
Disclosure of risk management strategy related to hedge accounting [line items] |  |
Gross carrying amount | 32,737,681 | 30,282,022
Collateral | 19,654,196 | 17,823,535
Net exposure | 13,083,485 | 12,458,487
Expected credit loss allowance | 896,196 | 882,520
Credit Risk [Member] | Commercial Loans [Member] |  |
Disclosure of risk management strategy related to hedge accounting [line items] |  |
Gross carrying amount | 15,928,491 | 15,254,838
Collateral | 8,180,015 | 7,369,291
Net exposure | 7,748,476 | 7,885,547
Expected credit loss allowance | 506,670 | 506,908
Credit Risk [Member] | Mortgages [Member] |  |
Disclosure of risk management strategy related to hedge accounting [line items] |  |
Gross carrying amount | 11,262,995 | 10,150,981
Collateral | 10,725,604 | 9,699,324
Net exposure | 537,391 | 451,657
Expected credit loss allowance | 101,059 | 91,270
Credit Risk [Member] | Consumer Loans [Member] |  |
Disclosure of risk management strategy related to hedge accounting [line items] |  |
Gross carrying amount | 5,546,195 | 4,876,289
Collateral | 748,577 | 754,920
Net exposure | 4,797,618 | 4,121,369
Expected credit loss allowance | $ 288,467 | $ 284,342

X
- Definition Amount refers to expected credit loss allowance collateral. + References No definition available. + Details
Name: | bsac_ExpectedCreditLossAllowanceCollateral
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount refers to expected credit loss allowance net exposure. + References No definition available. + Details
Name: | bsac_ExpectedCreditLossAllowanceNetExposure
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount refers to gross allowance account for credit losses of financial asset. + References No definition available. + Details
Name: | bsac_GrossAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2019-03-27 + Details
Name: | ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=bsac_CommercialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=ifrs-full_MortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=ifrs-full_ConsumerLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |