XML 215 R192.htm IDEA: XBRL DOCUMENT
v3.19.1

INTEREST INCOME (Details) - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | $ 2,243,123 | $ 2,031,133 | $ 2,123,422
Hedged Of Interest [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 1,775,256 | 1,773,066 | 1,739,427
Hedged Of Inflation Adjustments [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 449,784 | 242,390 | 365,006
Hedged Of Prepaid Fees [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 18,083 | 15,677 | 18,989
Resale Agreements [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 903 | 939 | 1,488
Resale Agreements [Member] | Hedged Of Interest [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 903 | 939 | 1,488
Resale Agreements [Member] | Hedged Of Inflation Adjustments [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting |  |  |
Resale Agreements [Member] | Hedged Of Prepaid Fees [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting |  |  |
Interbank Loan [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 897 | 969 | 295
Interbank Loan [Member] | Hedged Of Interest [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 897 | 969 | 295
Interbank Loan [Member] | Hedged Of Inflation Adjustments [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting |  |  |
Interbank Loan [Member] | Hedged Of Prepaid Fees [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting |  |  |
Commercial Loans [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 936,264 | 847,927 | 880,995
Commercial Loans [Member] | Hedged Of Interest [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 771,405 | 752,013 | 742,432
Commercial Loans [Member] | Hedged Of Inflation Adjustments [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 153,851 | 85,389 | 130,904
Commercial Loans [Member] | Hedged Of Prepaid Fees [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 11,008 | 10,525 | 7,659
Mortgage Loans [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 597,655 | 469,758 | 539,209
Mortgage Loans [Member] | Hedged Of Interest [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 330,055 | 320,041 | 304,116
Mortgage Loans [Member] | Hedged Of Inflation Adjustments [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 266,691 | 149,303 | 228,081
Mortgage Loans [Member] | Hedged Of Prepaid Fees [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 909 | 414 | 7,012
Consumer Loans [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 586,534 | 618,033 | 609,130
Consumer Loans [Member] | Hedged Of Interest [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 579,929 | 612,932 | 604,152
Consumer Loans [Member] | Hedged Of Inflation Adjustments [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 439 | 363 | 660
Consumer Loans [Member] | Hedged Of Prepaid Fees [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 6,166 | 4,738 | 4,318
Investment Instruments [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 100,213 | 79,797 | 78,724
Investment Instruments [Member] | Hedged Of Interest [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 75,423 | 74,000 | 75,808
Investment Instruments [Member] | Hedged Of Inflation Adjustments [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 24,790 | 5,797 | 2,916
Investment Instruments [Member] | Hedged Of Prepaid Fees [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting |  |  |
Other Interest Income [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 20,657 | 13,710 | 13,581
Other Interest Income [Member] | Hedged Of Interest [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 16,644 | 12,172 | 11,136
Other Interest Income [Member] | Hedged Of Inflation Adjustments [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting | 4,013 | 1,538 | 2,445
Other Interest Income [Member] | Hedged Of Prepaid Fees [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Interest income not including income from hedge accounting |  |  |

X
- Definition Amount represents as a interest income less income from hedge accounting. + References No definition available. + Details
Name: | bsac_InterestIncomeLessIncomeFromHedgeAccounting
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_DisclosureOfFinancialAssetsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_HedgedItemsAxis=bsac_HedgedOfInterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgedItemsAxis=bsac_HedgedOfInflationAdjustmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgedItemsAxis=bsac_HedgedOfPrepaidFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=bsac_InterbankLoanMember
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=bsac_MortgageLoansMember
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: |

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

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