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Other disclosures - Additional Information (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2021 | Dec. 31, 2020
Other Disclosures [Line Items] |  |
Capital commitments | $ 3,059.0 | $ 3,152.0
Contractual capital commitments | 1,700.0 | 1,500.0
Contingent liabilities indemnities and other performance guarantees | 140.0 | 146.0
Contractual payments | 10.5 |
Joint ventures |  |
Other Disclosures [Line Items] |  |
Capital commitments | $ 9.0 | $ 9.0

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- Definition The amount of future capital expenditures that the entity is committed to make. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 86 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_86_a&doctype=Standard -URIDate 2020-01-01 + Details
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- Details
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