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Provisions (Information) (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2020 USD ($)
Provisions [Line Items] |
Balance at the beginning of the year | $ 244
Provisions recorded during the period | 84
Provisions reversed during the period | (4)
Payments during the period | (15)
Translation differences | 12
Balance at the end of the year | 321
Site restoration and equipmen dismantling [Member] |
Provisions [Line Items] |
Balance at the beginning of the year | 202
Provisions recorded during the period | 79
Provisions reversed during the period | (1)
Payments during the period | (12)
Translation differences | 11
Balance at the end of the year | 279
Legal claims [Member] |
Provisions [Line Items] |
Balance at the beginning of the year | 10
Provisions recorded during the period | 0
Provisions reversed during the period | 0
Payments during the period | (1)
Translation differences | 1
Balance at the end of the year | 10
Other [Member] |
Provisions [Line Items] |
Balance at the beginning of the year | 32
Provisions recorded during the period | 5
Provisions reversed during the period | (3)
Payments during the period | (2)
Translation differences | 0
Balance at the end of the year | $ 32

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The increase (decrease) in other provisions resulting from foreign currency exchange rate changes on provisions measured in a currency different from the entity's presentation currency. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount recognised for new other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84_b&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84_a&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 78 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78_d&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount used (ie incurred and charged against the provision) for other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84_c&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount reversed for unused other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84_d&doctype=Standard -URIDate 2020-01-01 + Details
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