Trade and other payables - Additional information (Details) - EUR (€) € in Millions	Dec. 31, 2019	Dec. 31, 2018
Trade and other payables
Trade and other payables	€ 15,545	€ 16,747
Euro
Trade and other payables
Trade and other payables	5,866
USD
Trade and other payables
Trade and other payables	€ 8,371

The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 54
-Subparagraph k
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_54_k&doctype=Standard
-URIDate 2019-03-27

Name:	ifrs-full_TradeAndOtherCurrentPayables
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant