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Cash flows reconciliation - Cash folw from operating activities (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Cash flow from operating activities: |  |  |
Income before income taxes | $ 19,781 | $ 29,541 | $ 6,990
Adjusted for: |  |  |
Equity results and other results in associates and joint ventures | (305) | 1,271 | 1,020
Impairment and disposals (impairment reversal) of non-current assets, net | (773) | 426 | 1,308
Provisions related to Brumadinho | 400 | 201 | 4,130
Provision for de-characterization of dams | 72 | 1,725 | 617
Depreciation, depletion and amortization | 3,171 | 3,034 | 3,215
Financial results, net | (2,268) | (3,119) | 4,813
Changes in assets and liabilities: |  |  |
Accounts receivable | (325) | 1,029 | (2,544)
Inventories | 45 | (503) | (183)
Suppliers and contractors | 495 | 251 | (222)
Other assets and liabilities, net | (1,531) | (442) | (250)
Cash flow from operations | $ 18,762 | $ 33,414 | $ 18,894

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- Definition Adjustments for depreciation and amortisation expense to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Depreciation and amortisation expense; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 20 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_20_b&doctype=Standard -URIDate 2022-03-24 + Details
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