Note 29 - Components of Other Short-Term Borrowings (Detail) - EUR (€) € in Millions	Dec. 31, 2022	Dec. 31, 2021
Other short-term borrowings [Abstract]
Commercial paper	€ 1,899	€ 1,840
Other	3,223	2,194
Total other short-term borrowings	€ 5,122	€ 4,034

The amount of commercial paper issued by the entity.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2022-03-24

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant