Financial instruments and risk management - Net investment hedge (Details) - Dec. 31, 2024 € in Millions, $ in Millions	USD ($)	EUR (€)
Currency risk \| Net investment hedge \| EUR corporate bond
Disclosure of detailed information about hedged items [line items]
Hedging instrument, liabilities	$ 520	€ 500

The amount of a hedging instrument, recognised as a liability. [Refer: Hedging instruments [domain]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 24A
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_24A_a&doctype=Standard
-URIDate 2024-03-27

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