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PROVISIONS - Asset Retirement Obligations (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Reconciliation of changes in other provisions [abstract] |  |
Balance, beginning of the year | $ 394.7 |
Balance, end of the year | 476.7 | $ 394.7
Less current portion | (6.5) | (6.7)
Non-current portion | 470.2 | 388.0
Asset retirement obligations |  |
Reconciliation of changes in other provisions [abstract] |  |
Balance, beginning of the year | 380.0 | 368.4
Revision of estimated cash flows and discount rates: Capitalized in property, plant and equipment | 42.0 | 7.6
Revision of estimated cash flows and discount rates: Changes in asset retirement obligations at closed sites | 40.7 | 6.1
Accretion expense | 0.0 | 0.1
Disbursements | (2.3) | (2.2)
Balance, end of the year | 460.4 | 380.0
Less current portion | (6.5) | (6.7)
Non-current portion | $ 453.9 | $ 373.3

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- Definition Increase (Decrease) Through Change In Discount Rate, Other Provisions, Property, Plant And Equipment + References No definition available. + Details
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- Definition The increase in other provisions through adjustments arising from the passage of time. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2021-01-01 -Paragraph 84 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84_e&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in other provisions resulting from transfers and changes that the entity does not separately disclose in the same statement or note. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 37 -IssueDate 2021-01-01 -Paragraph 84 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of non-current provisions other than provisions for employee benefits. [Refer: Non-current provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 78 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_d&doctype=Standard -URIDate 2021-03-24 + 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 2021-01-01 -Paragraph 84 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 78 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_d&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of current provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 78 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_d&doctype=Standard -URIDate 2021-03-24 + Details
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