XML 231 R204.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Expected Credit Losses Allowance (Details) - Schedule of Allowance by Stage Recorded at Income Statements - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | [1] | Dec. 31, 2022 | [2] | Dec. 31, 2021
Expected Credit Losses Allowance (Details) - Schedule of Allowance by Stage Recorded at Income Statements [Line Items] |  |  |  |  |  |
Commercial loans | $ 155,717 |  | $ 198,156 |  | $ 176,534 |
Mortgage loans | 91,569 |  | 41,381 |  | 44,437 |
Consumer loans | 206,172 |  | 201,859 |  | 134,667 |
Contingent loans | (24,363) |  | 5,189 |  | 12,254 |
Loans and account receivable at FVOCI | (201) |  | 58 |  | 59 |
Debt at FVOCI | (78) |  | (529) |  | (435) |
Debt at amortised cost | 1,038 |  | 957 |  | 711 |
Subtotal | 429,854 |  | 447,071 |  | 368,227 |
Recovery of loans previously charged-off | (107,069) |  | (90,577) |  | (76,999) |
TOTAL | 322,785 |  | 356,494 |  | 291,228 |
Corporate [Member] | Stage 1 [Member] |  |  |  |  |  |
Expected Credit Losses Allowance (Details) - Schedule of Allowance by Stage Recorded at Income Statements [Line Items] |  |  |  |  |  |
Commercial loans | 132 |  | 43,245 |  | 22,469 |
Mortgage loans |  |  |  |  |  |
Consumer loans |  |  |  |  |  |
Contingent loans | (1,184) |  | 453 |  | 1,607 |
Loans and account receivable at FVOCI | (201) | [3] | 58 |  | 59 |
Debt at FVOCI |  |  |  |  |  |
Debt at amortised cost |  |  |  |  |  |
Subtotal | (1,253) |  | 4,836 |  | 24,135 |
Corporate [Member] | Stage 2 [Member] |  |  |  |  |  |
Expected Credit Losses Allowance (Details) - Schedule of Allowance by Stage Recorded at Income Statements [Line Items] |  |  |  |  |  |
Commercial loans | (19,358) |  | 272 |  | 37,952 |
Mortgage loans |  |  |  |  |  |
Consumer loans |  |  |  |  |  |
Contingent loans | (6,316) |  | (837) |  | 5,167 |
Loans and account receivable at FVOCI |  | [3] |  |  |  |
Debt at FVOCI |  |  |  |  |  |
Debt at amortised cost |  |  |  |  |  |
Subtotal | (25,674) |  | (565) |  | 43,119 |
Corporate [Member] | Stage 3 [Member] |  |  |  |  |  |
Expected Credit Losses Allowance (Details) - Schedule of Allowance by Stage Recorded at Income Statements [Line Items] |  |  |  |  |  |
Commercial loans | 92,539 |  | 90,349 |  | 48,013 |
Mortgage loans |  |  |  |  |  |
Consumer loans |  |  |  |  |  |
Contingent loans | 816 |  | 1,511 |  | (279) |
Loans and account receivable at FVOCI |  |  |  |  |  |
Debt at FVOCI |  |  |  |  |  |
Debt at amortised cost |  |  |  |  |  |
Subtotal | 93,355 |  | 91,860 |  | 47,734 |
Other commercial [Member] | Stage 1 [Member] |  |  |  |  |  |
Expected Credit Losses Allowance (Details) - Schedule of Allowance by Stage Recorded at Income Statements [Line Items] |  |  |  |  |  |
Commercial loans | (3,898) | [3] | 8,734 | [4] | 6,625 | [5]
Mortgage loans | (4,582) | [3] | (5,010) | [4] | 7,134 | [5]
Consumer loans | 29,029 | [3] | 16,234 | [4] | 56,994 | [5]
Contingent loans | (14,256) | [3] | 2,864 | [4] | 7,397 | [5]
Loans and account receivable at FVOCI |  | [3] |  | [4] |  | [5]
Debt at FVOCI | (78) | [3] | (529) | [4] | (435) | [5]
Debt at amortised cost | 1,038 | [3] | 957 | [4] | 711 | [5]
Subtotal | 7,253 | [3] | 23,250 | [4] | 78,426 | [5]
Other commercial [Member] | Stage 2 [Member] |  |  |  |  |  |
Expected Credit Losses Allowance (Details) - Schedule of Allowance by Stage Recorded at Income Statements [Line Items] |  |  |  |  |  |
Commercial loans | 4,686 | [3] | 515 | [4] | 3,445 | [5]
Mortgage loans | (1,213) | [3] | (4,936) | [4] | 7,540 | [5]
Consumer loans | 57,262 | [3] | 72,115 | [4] | 17,710 | [5]
Contingent loans | (1,834) | [3] | (231) | [4] | (1,420) | [5]
Loans and account receivable at FVOCI |  | [3] |  | [4] |  | [5]
Debt at FVOCI |  | [3] |  | [4] |  | [5]
Debt at amortised cost |  | [3] |  | [4] |  | [5]
Subtotal | 58,901 | [3] | 67,463 | [4] | 27,275 | [5]
Other commercial [Member] | Stage 3 [Member] |  |  |  |  |  |
Expected Credit Losses Allowance (Details) - Schedule of Allowance by Stage Recorded at Income Statements [Line Items] |  |  |  |  |  |
Commercial loans | 81,616 | [3] | 93,961 | [4] | 58,030 | [5]
Mortgage loans | 97,364 | [3] | 51,327 | [4] | 29,763 | [5]
Consumer loans | 119,881 | [3] | 113,510 | [4] | 59,963 | [5]
Contingent loans | (1,589) | [3] | 1,429 | [4] | (218) | [5]
Loans and account receivable at FVOCI |  | [3] |  | [4] |  | [5]
Debt at FVOCI |  | [3] |  | [4] |  | [5]
Debt at amortised cost |  | [3] |  | [4] |  | [5]
Subtotal | $ 297,272 | [3] | $ 260,227 | [4] | $ 147,538 | [5]
[1] | Includes overlays for an amount of MCh$93,614 to cover certain defaulted loans from mortgage and other commercial portfolios. See Note 37, Risk management.
[2] | Includes overlays for an amount of MCh$91,351 for future macro-economic information and scenarios updates. See Note 37, Risk management.
[3] | Includes Other Commercial, Mortgages and Consumer.
[4] | Includes Other Commercial, Mortgages and Consumer
[5] | Includes Other Commercial, Mortgages and Consumer.

X
- Definition Amount of Expected Credit Losses Allowance. + References No definition available. + Details
Name: | bsac_ExpectedCreditLossAllowances
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsac_ExpectedCreditLossAllowancesRecoveryOfLoansPreviouslyChargedoff
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsac_ExpectedCreditLossAllowancesSubtotal
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Commercial loans. + References No definition available. + Details
Name: | bsac_ExpectedCreditLossCommercialLoans
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Consumer loans. + References No definition available. + Details
Name: | bsac_ExpectedCreditLossConsumerLoans
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Contingent loans. + References No definition available. + Details
Name: | bsac_ExpectedCreditLossContingentLoans
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Loans and account receivable at FVOCI. + References No definition available. + Details
Name: | bsac_ExpectedCreditLossLoansAndAccountReceivableLoans
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Mortgage loans. + References No definition available. + Details
Name: | bsac_ExpectedCreditLossMortgageLoans
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Debt at amortized cost. + References No definition available. + Details
Name: | bsac_ExpectedDebtAtAmortizedCost
Namespace Prefix: | bsac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis=bsac_ExpectedCreditLossesCorporateAssessedMember
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_Stage3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis=bsac_ExpectedCreditLossesOthersAssessedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |