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v3.20.2

Basis of preparation - COVID-19 Impact (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2020
Other Disclosures [Line Items] |  |  |
Percentage of metal produced as value added products | 40.00% | 54.00% |
Capital expenditure | $ 2,693 | $ 2,391 |
Forecast |  |  |
Other Disclosures [Line Items] |  |  |
Capital expenditure |  |  | $ 6,000
Forecast | Maximum |  |  |
Other Disclosures [Line Items] |  |  |
Capital expenditure |  |  | $ 7,000

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- Definition The cash outflow for the purchase of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets. [Refer: Intangible assets other than goodwill; Investment property; Other non-current assets; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_16&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition Percentage Of Metal Produced As Value Added Products + References No definition available. + Details
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- Details
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