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Provision for decommissioning costs (Tables)
 12 Months Ended
Dec. 31, 2022
Provision For Decommissioning Costs  
Summery of provision for decommissioning costs by producing area
Summery of provision for decommissioning costs by producing area    
  12.31.2022 12.31.2021
Onshore 418 873
Shallow waters 4,399 3,732
Deep and ultra-deep post-salt 9,988 8,420
Pre-salt 3,795 2,594
  18,600 15,619
Summery of changes in the provision for decommissioning costs are presented
Summery of changes in the provision for decommissioning costs are presented    
Non-current liabilities 2022 2021
Opening balance 15,619 18,780
Adjustment to provision 3,484 (1,186)
Transfers related to liabilities held for sale (1,258) (704)
Use of provisions (854) (730)
Interest accrued 476 723
Others (5) 5
Translation adjustment 1,138 (1,269)
Closing balance 18,600 15,619