Note 28 - Retained earnings, revaluation reserves and other reserves - Restricted reserves (Details) - EUR (€) € in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Retained earnings, revaluation reserves and other reserves.
Restricted reserve for retired capital	€ 88	€ 88	€ 88
Restricted Reserve For Parent Company Shares And Loans For Those Shares	69	111	123
Restricted Reserve For Redonomination Of Capital In Euro	2	2	2
Restricted reserve for retired capital	€ 159	€ 201	€ 213

The amount of reserves that are restricted for capital denomination in euros. This reserve arose with the rounding of the reserves from spanish peseta to the euro.

No definition available.

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