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v3.23.1

Provision changes during (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |
Balance at the beginning |  | $ 4,580 | $ 4,522
Adjustment to present value |  | 27 | 129
Disbursements |  | (127) | (145)
Revisions on projected cash flows | [1] | (600) | 227
Transfer to assets held for sale |  | (51) | (50)
Translation adjustment |  | (26) | (103)
Balance at the end |  | 3,803 | 4,580
Current |  | 304 | 170
Non-current |  | 3,499 | 4,410
Liability |  | 3,803 | 4,580
Provision for decommissioning, restoration and rehabilitation costs [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Balance at the beginning |  | 4,283 | 4,220
Adjustment to present value |  | 20 | 110
Disbursements |  | (101) | (88)
Revisions on projected cash flows | [1] | (646) | 178
Transfer to assets held for sale |  | (49) | (50)
Translation adjustment |  | (41) | (87)
Balance at the end |  | 3,466 | 4,283
Current |  | 210 | 72
Non-current |  | 3,256 | 4,211
Liability |  | 3,466 | 4,283
Other environment related provision [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Balance at the beginning |  | 297 | 302
Adjustment to present value |  | 7 | 19
Disbursements |  | (26) | (57)
Revisions on projected cash flows | [1] | 46 | 49
Transfer to assets held for sale |  | (2) |
Translation adjustment |  | 15 | (16)
Balance at the end |  | 337 | 297
Current |  | 94 | 98
Non-current |  | 243 | 199
Liability |  | $ 337 | $ 297
[1] | Among other factors, includes the reduction in liability of US$870, due to the update in the discount rate of the asset retirement obligation in Canada, which increased from 0.00% to 1.11% for the year ended December 31, 2022.

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- Definition The amount of additional other provisions made. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2022-03-24 -Paragraph 84 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2022-en-r&anchor=para_84_b&doctype=Standard -URIDate 2022-03-24 + Details
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