Note 52 - Accountant Fees And Services - Auditors Remuneration For Other Services (Details)	Dec. 31, 2017 EUR (€)
Auditors Remuneration Abstract
Firms Belonging To The KPMG World wide Organitation	€ 500,000

The amount of fees satisfied to parent company auditors for other services.

No definition available.

Name:	bbva_Firmsbelongingtothekpmgworldwideorganitation
Namespace Prefix:	bbva_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant