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v3.19.3.a.u2

Note 7 - Risk Management -Liquidity Risk - Loans to Stable Customer Deposits (LtSCD) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
LtSCD Line Items |  |  |
Average LtSCD | 108% | 106% | 110%
BBVA Eurozone [Member] |  |  |
LtSCD Line Items |  |  |
Average LtSCD | 108% | 101% | 108%
BBVA Bancomer [Member] |  |  |
LtSCD Line Items |  |  |
Average LtSCD | 116% | 114% | 109%
Compass [Member] |  |  |
LtSCD Line Items |  |  |
Average LtSCD | 111% | 119% | 109%
Garanti Bank [Member] |  |  |
LtSCD Line Items |  |  |
Average LtSCD | 99% | 110% | 122%
Other LMU [Member] |  |  |
LtSCD Line Items |  |  |
Average LtSCD | 103% | 99% | 108%

X
- Definition Percentage of the average LtSCD by LMU + References No definition available. + Details
Name: | bbva_Averageltscd
Namespace Prefix: | bbva_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | bbva_LmutypesaxisAxis=bbva_BbvaeurozoneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbva_LmutypesaxisAxis=bbva_BbvabancomerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbva_LmutypesaxisAxis=bbva_BbvacompassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbva_LmutypesaxisAxis=bbva_GarantibankmemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbva_LmutypesaxisAxis=bbva_OtherlmumemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |