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PROVISIONS - Provisions overview (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
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Disclosure of other provisions [line items] |  |
Total | $ 2,256 | $ 2,562
Short-term provisions | 722 | 1,064
Long-term provisions | 1,534 | 1,498
Environmental |  |
Disclosure of other provisions [line items] |  |
Total | 557 | 595
Emission rights |  |
Disclosure of other provisions [line items] |  |
Total | 322 | 492
Asset retirement obligations |  |
Disclosure of other provisions [line items] |  |
Total | 399 | 397
Site restoration |  |
Disclosure of other provisions [line items] |  |
Total | 183 | 220
Staff related obligations |  |
Disclosure of other provisions [line items] |  |
Total | 128 | 120
Voluntary separation plans |  |
Disclosure of other provisions [line items] |  |
Total | 22 | 31
Litigation and contingencies (see note 12) |  |
Disclosure of other provisions [line items] |  |
Total | 280 | 323
Tax claims |  |
Disclosure of other provisions [line items] |  |
Total | 80 | 79
Other legal claims and contingencies |  |
Disclosure of other provisions [line items] |  |
Total | 200 | 244
Commercial agreements and onerous contracts |  |
Disclosure of other provisions [line items] |  |
Total | 28 | 23
Other |  |
Disclosure of other provisions [line items] |  |
Total | $ 337 | $ 361

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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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