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v3.23.1

Subsequent events (Details 5) - bbl bbl in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Consolidated Entitie 2 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Beginning balance | 9,860 | 8,796 | 9,517
Revisions of previous estimates | 1,986 | 1,967 | 224
Extensions and discoveries |  |  | 41
Sales of reserves | (536) | (11) | (68)
Production for the year | (857) | (892) | (918)
Ending balance | 10,453 | 9,860 | 8,796
Equity Portfolio Amount |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Extensions and discoveries |  | 1 |
Equity Method Investees [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Beginning balance | 8,435 | 7,552 | 8,156
Revisions of previous estimates | 1,708 | 1,668 | 261
Extensions and discoveries |  |  | 35
Sales of reserves | (465) | (9) | (102)
Production for the year | (752) | (777) | (798)
Ending balance | 8,926 | 8,435 | 7,552
Equity Method Investees 2 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Beginning balance | 9,878 | 8,816 | 9,590
Revisions of previous estimates | 1,988 | 1,969 | 224
Extensions and discoveries |  |  | 41
Sales of reserves | (536) | (11) | (117)
Production for the year | (860) | (896) | (923)
Ending balance | 10,470 | 9,878 | 8,816
Oil And Gas Producing Activities [member] | Brazil [Member] | Oil Products [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Beginning balance | 9,816 | 8,792 | 9,480
Revisions of previous estimates | 1,983 | 1,923 | 253
Extensions and discoveries |  |  | 41
Sales of reserves | (523) | (11) | (68)
Production for the year | (852) | (888) | (914)
Ending balance | 10,423 | 9,816 | 8,792
Oil And Gas Producing Activities [member] | South America One [Member] | Oil Products [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Beginning balance | 31 | 5 | 27
Revisions of previous estimates | 3 | 30 | (21)
Production for the year | (4) | (3) | (2)
Ending balance |  | 31 | 5
Oil And Gas Producing Activities [member] | North America [Member] | Equity Portfolio Amount |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Beginning balance | 18 | 19 | 24
Revisions of previous estimates | 3 | 2 |
Extensions and discoveries |  | 1 |
Sales of reserves | (1) |  |
Production for the year | (3) | (3) | (5)
Ending balance | 17 | 18 | 19
Oil And Gas Producing Activities [member] | South America [Member] | Oil Products [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ending balance | 31 |  |
Synthetics Oil 1 [Member] | Brazil [Member] | Oil Products [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Beginning balance | 13 |  | 10
Revisions of previous estimates |  | 14 | (9)
Sales of reserves | (12) |  |
Production for the year | (1) | (1) | (1)
Ending balance |  | 13 |
Oil Natural [Member] | Africa [Member] | Equity Method Investees [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Beginning balance |  |  | 49
Sales of reserves |  |  | (49)
Production for the year |  |  | (1)

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