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32. Supplemental information on statement of cash flows (Tables)
6 Months Ended
Jun. 30, 2020
Supplemental Information On Statement Of Cash Flows  
Schedule of supplemental information on statement of cash flows
  Jan-Jun/2020 Jan-Jun/2019
Additional information on cash flows:    
Amounts paid/received during the period:    
Withholding income tax paid on behalf of third-parties 464.0 669.8
Capital expenditures and financing activities not involving cash    
Purchase of property, plant and equipment on credit - 77.2
Lease 1,105.0 1,334.0
Provision/(reversals) for decommissioning costs 12.0 (18.6)
Use of deferred tax and judicial deposit for the payment of contingency 1.0 1.9