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Financial Instruments - Narrative - Financial assets held at fair value (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Investments held at fair value | Akili and Gelesis
Disclosure of financial assets [line items]
Gain/(loss) on investment held at fair value	$ (30.0)

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The gains (losses) excluding exchange differences, recognised in profit or loss, on the fair value measurement of assets. [Refer: At fair value [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 13
-IssueDate 2022-03-24
-Paragraph 93
-Subparagraph e
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_e_i&doctype=Standard
-URIDate 2022-03-24

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