Note 37 - Other operating income and expenses - Other Operating Income Explanatory (Details) - EUR (€) € in Millions	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Other Operating Income and Expenses
Financial income from non-financial services	€ 129	€ 246
Rest of other operating income	208	307
Total Other operating income (Income Statement)	€ 337	€ 554

The amount of miscellaneous other operating income. [Refer: Other operating income (expense)]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2018-03-16

Name:	ifrs-full_MiscellaneousOtherOperatingIncome
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration