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Note 7 LtSCD by LMU (Details) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
LtSCD by LMU [Line Items] |  |  |
Average LtSCD by LMU | 102.00% | 99.00% | 96.00%
BBVA SA [Member] |  |  |
LtSCD by LMU [Line Items] |  |  |
Average LtSCD by LMU | 101.00% | 100.00% | 98.00%
BBVA Mexico [Member] |  |  |
LtSCD by LMU [Line Items] |  |  |
Average LtSCD by LMU | 115.00% | 102.00% | 98.00%
Garanti BBVA group [Member] |  |  |
LtSCD by LMU [Line Items] |  |  |
Average LtSCD by LMU | 90.00% | 78.00% | 83.00%
Other LMU [Member] |  |  |
LtSCD by LMU [Line Items] |  |  |
Average LtSCD by LMU | 99.00% | 104.00% | 96.00%

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- Definition Average LtSCD by LMU + References No definition available. + Details
Name: | bbva_AverageLtSCDByLMU
Namespace Prefix: | bbva_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition LtSCD by LMU + References No definition available. + Details
Name: | bbva_LtSCDByLMULineItems
Namespace Prefix: | bbva_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | bbva_LtSCDByLMUAxis=bbva_BBVASAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | bbva_LtSCDByLMUAxis=bbva_BBVAMexicoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | bbva_LtSCDByLMUAxis=bbva_GarantiBBVAGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | bbva_LtSCDByLMUAxis=bbva_OtherLMUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |