XML 133 R108.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Financial Assets at Fair Value Through Other Comprehensive Income (Details) - Schedule of Gross Carrying Amount - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Schedule of Gross Carrying Amount [Line Items] |  |
Gross carrying amount, Beginning balance | $ 105,382 | $ 142,632
ECL allowance, Beginning balance | 125 | 326
New financial assets originated |  | 85,533
Transfers to stage 1 |  | 0
Transfers to stage 2 |  | 0
Transfers to stage 3 |  | 0
Assets derecognised or matured (excluding write-off) |  | (138,700)
Changes in measument of financial assets |  | 15,917
New financial assets originated |  | 162
Assets derecognised or matured (excluding write-off) |  | (313)
Changes due to changes un credit risk |  | (50)
Write-off |  | 0
Write-off |  | 0
Other adjustments | 0 | 0
ECL allowance, Ending balance |  | 125
Gross carrying amount, Ending balance |  | 105,382
Commercial loans |  |
Schedule of Gross Carrying Amount [Line Items] |  |
Gross carrying amount, Beginning balance | 105,382 |
ECL allowance, Beginning balance | 125 |
New financial assets originated | 36,909 |
Transfers to stage 1 | 0 |
Transfers to stage 2 | 0 |
Transfers to stage 3 | 0 |
Assets derecognised or matured (excluding write-off) | (89,808) |
Changes in measument of financial assets | 3,663 |
New financial assets originated | 148 |
Assets derecognised or matured (excluding write-off) | (29) |
Changes due to changes un credit risk | 897 |
Write-off | 0 |
Write-off | 0 |
Other adjustments | 0 |
Other adjustments | 0 |
ECL allowance, Ending balance | 1,141 | 125
Gross carrying amount, Ending balance | 56,146 | 105,382
Mortgage loans |  |
Schedule of Gross Carrying Amount [Line Items] |  |
Gross carrying amount, Beginning balance | 0 |
ECL allowance, Beginning balance | 0 |
New financial assets originated | 21,060 |
Transfers to stage 1 | 0 |
Transfers to stage 2 | 0 |
Transfers to stage 3 | 0 |
Assets derecognised or matured (excluding write-off) | 0 |
Changes in measument of financial assets | (1,139) |
New financial assets originated | 22 |
Assets derecognised or matured (excluding write-off) | 0 |
Changes due to changes un credit risk | 1 |
Write-off | 0 |
Write-off | 0 |
Other adjustments | 0 |
Other adjustments | 0 |
ECL allowance, Ending balance | 23 | 0
Gross carrying amount, Ending balance | 19,921 | 0
Stage 1 |  |
Schedule of Gross Carrying Amount [Line Items] |  |
Gross carrying amount, Beginning balance | 105,382 | 142,632
ECL allowance, Beginning balance | 125 | 326
New financial assets originated |  | 85,533
Transfers to stage 1 |  | 0
Transfers to stage 2 |  | 0
Transfers to stage 3 |  | 0
Assets derecognised or matured (excluding write-off) |  | (138,700)
Changes in measument of financial assets |  | 15,917
New financial assets originated |  | 162
Assets derecognised or matured (excluding write-off) |  | (313)
Changes due to changes un credit risk |  | (50)
Write-off |  | 0
Write-off |  | 0
Other adjustments |  | 0
ECL allowance, Ending balance |  | 125
Gross carrying amount, Ending balance |  | 105,382
Stage 1 | Commercial loans |  |
Schedule of Gross Carrying Amount [Line Items] |  |
Gross carrying amount, Beginning balance | 105,382 |
ECL allowance, Beginning balance | 125 |
New financial assets originated | 36,909 |
Transfers to stage 1 | 0 |
Transfers to stage 2 | 0 |
Transfers to stage 3 | 0 |
Assets derecognised or matured (excluding write-off) | (89,808) |
Changes in measument of financial assets | 3,663 |
New financial assets originated | 148 |
Assets derecognised or matured (excluding write-off) | (29) |
Changes due to changes un credit risk | 897 |
Write-off | 0 |
Write-off | 0 |
Other adjustments | 0 |
Other adjustments | 0 |
ECL allowance, Ending balance | 1,141 | 125
Gross carrying amount, Ending balance | 56,146 | 105,382
Stage 1 | Mortgage loans |  |
Schedule of Gross Carrying Amount [Line Items] |  |
Gross carrying amount, Beginning balance | 0 |
ECL allowance, Beginning balance | 0 |
New financial assets originated | 21,060 |
Transfers to stage 1 | 0 |
Transfers to stage 2 | 0 |
Transfers to stage 3 | 0 |
Assets derecognised or matured (excluding write-off) | 0 |
Changes in measument of financial assets | (1,139) |
New financial assets originated | 22 |
Assets derecognised or matured (excluding write-off) | 0 |
Changes due to changes un credit risk | 1 |
Write-off | 0 |
Write-off | 0 |
Other adjustments | 0 |
Other adjustments | 0 |
ECL allowance, Ending balance | 23 | 0
Gross carrying amount, Ending balance | 19,921 | 0
Stage 2 |  |
Schedule of Gross Carrying Amount [Line Items] |  |
Gross carrying amount, Beginning balance | 0 | 0
ECL allowance, Beginning balance | 0 | 0
New financial assets originated |  |
Transfers to stage 1 |  | 0
Transfers to stage 2 |  | 0
Transfers to stage 3 |  | 0
Assets derecognised or matured (excluding write-off) |  | 0
Changes in measument of financial assets |  | 0
New financial assets originated |  |
Assets derecognised or matured (excluding write-off) |  | 0
Changes due to changes un credit risk |  | 0
Write-off |  | 0
Write-off |  | 0
Other adjustments |  | 0
ECL allowance, Ending balance |  | 0
Gross carrying amount, Ending balance |  | 0
Stage 2 | Commercial loans |  |
Schedule of Gross Carrying Amount [Line Items] |  |
Gross carrying amount, Beginning balance | 0 |
ECL allowance, Beginning balance | 0 |
New financial assets originated |  |
Transfers to stage 1 | 0 |
Transfers to stage 2 | 0 |
Transfers to stage 3 | 0 |
Assets derecognised or matured (excluding write-off) | 0 |
Changes in measument of financial assets | 0 |
New financial assets originated |  |
Assets derecognised or matured (excluding write-off) | 0 |
Changes due to changes un credit risk | 0 |
Write-off | 0 |
Write-off | 0 |
Other adjustments | 0 |
Other adjustments | 0 |
ECL allowance, Ending balance | 0 | 0
Gross carrying amount, Ending balance | 0 | 0
Stage 2 | Mortgage loans |  |
Schedule of Gross Carrying Amount [Line Items] |  |
Gross carrying amount, Beginning balance | 0 |
ECL allowance, Beginning balance | 0 |
New financial assets originated |  |
Transfers to stage 1 | 0 |
Transfers to stage 2 | 0 |
Transfers to stage 3 | 0 |
Assets derecognised or matured (excluding write-off) | 0 |
Changes in measument of financial assets | 0 |
New financial assets originated | 0 |
Assets derecognised or matured (excluding write-off) | 0 |
Changes due to changes un credit risk | 0 |
Write-off | 0 |
Write-off | 0 |
Other adjustments | 0 |
Other adjustments | 0 |
ECL allowance, Ending balance | 0 | 0
Gross carrying amount, Ending balance | 0 | 0
Stage 3 |  |
Schedule of Gross Carrying Amount [Line Items] |  |
Gross carrying amount, Beginning balance | 0 | 0
ECL allowance, Beginning balance | 0 | 0
New financial assets originated |  |
Transfers to stage 1 |  | 0
Transfers to stage 2 |  | 0
Transfers to stage 3 |  | 0
Assets derecognised or matured (excluding write-off) |  | 0
Changes in measument of financial assets |  | 0
New financial assets originated |  |
Assets derecognised or matured (excluding write-off) |  | 0
Changes due to changes un credit risk |  | 0
Write-off |  | 0
Write-off |  | 0
Other adjustments |  | 0
ECL allowance, Ending balance |  | 0
Gross carrying amount, Ending balance |  | 0
Stage 3 | Commercial loans |  |
Schedule of Gross Carrying Amount [Line Items] |  |
Gross carrying amount, Beginning balance | 0 |
ECL allowance, Beginning balance | 0 |
New financial assets originated |  |
Transfers to stage 1 | 0 |
Transfers to stage 2 | 0 |
Transfers to stage 3 | 0 |
Assets derecognised or matured (excluding write-off) | 0 |
Changes in measument of financial assets | 0 |
New financial assets originated |  |
Assets derecognised or matured (excluding write-off) | 0 |
Changes due to changes un credit risk | 0 |
Write-off | 0 |
Write-off | 0 |
Other adjustments | 0 |
Other adjustments | 0 |
ECL allowance, Ending balance | 0 | 0
Gross carrying amount, Ending balance | 0 | 0
Stage 3 | Mortgage loans |  |
Schedule of Gross Carrying Amount [Line Items] |  |
Gross carrying amount, Beginning balance | 0 |
ECL allowance, Beginning balance | 0 |
New financial assets originated |  |
Transfers to stage 1 | 0 |
Transfers to stage 2 | 0 |
Transfers to stage 3 | 0 |
Assets derecognised or matured (excluding write-off) | 0 |
Changes in measument of financial assets | 0 |
New financial assets originated | 0 |
Assets derecognised or matured (excluding write-off) | 0 |
Changes due to changes un credit risk | 0 |
Write-off | 0 |
Write-off | 0 |
Other adjustments | 0 |
Other adjustments | 0 |
ECL allowance, Ending balance | 0 | 0
Gross carrying amount, Ending balance | $ 0 | $ 0

X
- Definition Assets derecognized or matured (excluding write-off). + References No definition available. + Details
Name: | bsac_AssetsDerecognizedOrMaturedExcludingWriteoffValue
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Assets Derecognized Or Maturedexcluding Writeoff Allowance Amount + References No definition available. + Details
Name: | bsac_AssetsDerecognizedOrMaturedexcludingWriteoffAllowanceAmount
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Changes Due To Changes Un Credit Risk + References No definition available. + Details
Name: | bsac_ChangesDueToChangesUnCreditRisk
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Changes In Measurement Of Financial Assets + References No definition available. + Details
Name: | bsac_ChangesInMeasurementOfFinancialAssets
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Write-off. + References No definition available. + Details
Name: | bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances1
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition ECL allowance, Beginning balance. + References No definition available. + Details
Name: | bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Financial Asset At Fair Value Through Other Comprehensive Income + References No definition available. + Details
Name: | bsac_FinancialAssetAtFairValueThroughOtherComprehensiveIncome
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Transfers to stage 1. + References No definition available. + Details
Name: | bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Transfers to stage 2. + References No definition available. + Details
Name: | bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome1
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Transfers to stage 3. + References No definition available. + Details
Name: | bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome2
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition New Financial Assets Originated + References No definition available. + Details
Name: | bsac_NewFinancialAssetsOriginated
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition New Financial Assets Originated ECL + References No definition available. + Details
Name: | bsac_NewFinancialAssetsOriginatedECL
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of other adjustments gross. + References No definition available. + Details
Name: | bsac_OtherAdjustmentGross
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Other Adjustments + References No definition available. + Details
Name: | bsac_OtherAdjustments
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Schedule of Gross Carrying Amount [Line Items] + References No definition available. + Details
Name: | bsac_ScheduleOfGrossCarryingAmountLineItems
Namespace Prefix: | bsac_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Writte Off. + References No definition available. + Details
Name: | bsac_Writeoff
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=bsac_MortgageLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bsac_StageAxis=bsac_Stage1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bsac_StageAxis=bsac_Stage2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bsac_StageAxis=bsac_StageThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |