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Decommissioning and Other Provisions (Tables) | 12 Months Ended
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Dec. 31, 2022
Other Provisions, Contingent Liabilities And Contingent Assets [Abstract] |
Disclosure of change in decommissioning and other provision balances | The change in decommissioning and other provision balances is as follows:
| Decommissioning and restoration | Other provisions | Total
Balance, Dec. 31, 2020 | 608 |  | 65 |  | 673 |
Liabilities incurred | 8 |  | 22 |  | 30 |
Liabilities settled | (18) |  | (62) |  | (80) |
Accretion | 32 |  | — |  | 32 |
Acquisition of liabilities | 2 |  | — |  | 2 |
Revisions in estimated cash flows | 167 |  | 12 |  | 179 |
Revisions in discount rates | (6) |  | — |  | (6) |
Reversals | — |  | (3) |  | (3) |
Balance, Dec. 31, 2021 | 793 |  | 34 |  | 827 |
Liabilities incurred | 1 |  | 23 |  | 24 |
Liabilities settled | (35) |  | (12) |  | (47) |
Accretion (Note 10) | 49 |  | — |  | 49 |
Disposals | (5) |  | — |  | (5) |
Revisions in estimated cash flows | 95 |  | 5 |  | 100 |
Revisions in discount rates | (225) |  | — |  | (225) |
Reversals | — |  | (9) |  | (9) |
Change in foreign exchange rates | 15 |  | — |  | 15 |
Balance, Dec. 31, 2022 | 688 |  | 41 |  | 729 |
Included in the Consolidated Statements of Financial Position as: |  |  |
As at Dec. 31, |  |  | 2022 | 2021
Current portion |  |  | 70 |  | 48 |
Non-current portion |  |  | 659 |  | 779 |
Total Decommissioning and other provisions |  |  | 729 |  | 827 |

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- Definition The disclosure of other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2022-03-24 -Paragraph 84 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2022-en-r&anchor=para_84&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition Other Provisions, Contingent Liabilities And Contingent Assets [Abstract] + References No definition available. + Details
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