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Note 7 - Risk Management - Guaranteed financial instruments based on IFRS9 (Details) € in Millions | Dec. 31, 2018 EUR (€)
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Maximun Credit Risk Exposure [Member] | Total [Member] |
Impaired Financial Assets At Amortised Cost Line Items |
Impaired Financial Assets At Amortised Cost | € 16,394
of which guaranteed [Member] | Residential Mortgage [Member] |
Impaired Financial Assets At Amortised Cost Line Items |
Impaired Financial Assets At Amortised Cost | 3,484
of which guaranteed [Member] | Commerce Mortgage [Member] |
Impaired Financial Assets At Amortised Cost Line Items |
Impaired Financial Assets At Amortised Cost | 1,255
of which guaranteed [Member] | Cash [Member] |
Impaired Financial Assets At Amortised Cost Line Items |
Impaired Financial Assets At Amortised Cost | 13
of which guaranteed [Member] | Other [Member] |
Impaired Financial Assets At Amortised Cost Line Items |
Impaired Financial Assets At Amortised Cost | 317
of which guaranteed [Member] | Funds [Member] |
Impaired Financial Assets At Amortised Cost Line Items |
Impaired Financial Assets At Amortised Cost | € 502

X
- Definition The amount of impaired financial assets the entity has, classified at amortized cost + References No definition available. + Details
Name: | bbva_Impairedfinancialassetsatamortisedcost
Namespace Prefix: | bbva_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bbva_ImpairedfinancialassetsatamortisedcostLineItems
Namespace Prefix: | bbva_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | bbva_SecuredfinancialinstrumentsaxisAxis=bbva_MaximuncreditriskexposureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbva_GuaranteedsecuredfinancialinstrumentsaxisAxis=bbva_TotalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbva_SecuredfinancialinstrumentsaxisAxis=bbva_OfwhichguaranteedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbva_GuaranteedsecuredfinancialinstrumentsaxisAxis=bbva_ResidentialmortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbva_GuaranteedsecuredfinancialinstrumentsaxisAxis=bbva_CommercemortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbva_GuaranteedsecuredfinancialinstrumentsaxisAxis=bbva_CashMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbva_GuaranteedsecuredfinancialinstrumentsaxisAxis=bbva_OtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbva_GuaranteedsecuredfinancialinstrumentsaxisAxis=bbva_FundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |