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Impairment (Details 1) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
IfrsStatementLineItems [Line Items] |  |  |
Impairment losses reversals | $ 1,315 | $ (3,190) | $ 7,339
Property Plant And Equipment And Intangible Assets [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Impairment losses reversals | (1,164) | 3,415 | (7,354)
Property Plant And Equipment And Intangible Assets [Member] | Producing Properties Relating To Oil And Gas Activities In Brazil Several Cgus [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Carrying amount | 8,307 | 23,734 | 42,421
Recoverable amount | 7,747 | 36,396 | 40,511
Impairment losses reversals | $ (628) | $ 3,373 | $ (7,316)
Business segment | E&P | E&P | E&P
Property Plant And Equipment And Intangible Assets [Member] | Oil And Gas Production And Drilling Equipment In Brazil [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Carrying amount | $ 486 | $ 250 | $ 120
Recoverable amount | 7 |  |
Impairment losses reversals | $ (478) | $ (250) | $ (119)
Business segment | E&P | E&P | E&P
Property Plant And Equipment And Intangible Assets [Member] | Itaborai Utilities [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Carrying amount | $ 919 |  |
Recoverable amount | 777 |  |
Impairment losses reversals | $ (142) |  |
Business segment | Gas &Power |  |
Property Plant And Equipment And Intangible Assets [Member] | Second Refining Unit In R N E S T [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Carrying amount | $ 792 | $ 404 | $ 410
Recoverable amount | 882 | 767 | 388
Impairment losses reversals | $ 89 | $ 359 | $ (22)
Business segment | RT&M | RT&M | RT&M
Property Plant And Equipment And Intangible Assets [Member] | Others [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Impairment losses reversals | $ (5) | $ (67) |
Business segment | Several | Several |
Property Plant And Equipment And Intangible Assets [Member] | Comperj [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Carrying amount |  |  | $ 266
Recoverable amount |  |  | 526
Impairment losses reversals |  |  | $ 260
Business segment |  |  | RT&M
Property Plant And Equipment And Intangible Assets [Member] | Corporate Facilities [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Carrying amount |  |  | $ 152
Impairment losses reversals |  |  | $ (161)
Business segment |  |  | Corporate, others
Property Plant And Equipment And Intangible Assets [Member] | Other [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Impairment losses reversals |  |  | $ 2
Business segment |  |  | Several

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- Definition The description of the reportable segment to which an individual asset belongs. [Refer: Impairment loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2022-03-24 -Paragraph 130 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2022-en-r&anchor=para_130_c_ii&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of impairment loss or reversal of impairment loss recognised in profit or loss. [Refer: Impairment loss recognised in profit or loss; Reversal of impairment loss recognised in profit or loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 99 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_99&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of assets related to the exploration, evaluation, development or production of oil and gas. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2022-03-24 -Paragraph 37 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_37&doctype=Standard -URIDate 2022-03-24 + Details
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