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Expenses by Nature - Detailed Information about Expenses by Nature (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of expenses [line items]      
Salaries and social security taxes $ 1,215 $ 1,130 $ 773 [1]
Fees and compensation for services 323 273 212
Other personnel expenses 272 233 159
Taxes, charges and contributions 919 1,088 883
Royalties, easements and fees 1,013 1,031 834
Insurance 87 76 81
Rental of real estate and equipment 196 [2] 152 [3] 137 [4]
Survey expenses 16 18 3
Depreciation of property, plant and equipment 3,016 2,551 2,816
Amortization of intangible assets 37 43 51
Depreciation of right-of-use assets 220 214 201
Industrial inputs, consumable materials and supplies 538 466 383
Operation services and other service contracts 610 [2] 449 [3] 453 [4]
Preservation, repair and maintenance 1,467 [2] 1,276 [3] 949 [4]
Unproductive exploratory drillings 21 26 10
Transportation, products and charges 1,012 [2] 907 [3] 668 [4]
Provision for doubtful trade receivables 18 14 30
Publicity and advertising expenses 92 103 61
Fuel, gas, energy and miscellaneous 201 [2] 272 [3] 183 [4]
Total 11,273 10,322 8,887
Production costs [Member]      
Disclosure of expenses [line items]      
Salaries and social security taxes 790 [5] 781 [6] 537 [7]
Fees and compensation for services 50 [5] 46 [6] 47 [7]
Other personnel expenses 232 [5] 202 [6] 140 [7]
Taxes, charges and contributions 130 [5] 121 [6] 118 [7]
Royalties, easements and fees 1,009 [5] 1,026 [6] 831 [7]
Insurance 81 [5] 71 [6] 74 [7]
Rental of real estate and equipment 179 [5] 140 [6] 125 [7]
Depreciation of property, plant and equipment 2,886 [5] 2,400 [6] 2,670 [7]
Amortization of intangible assets 30 [5] 29 [6] 38 [7]
Depreciation of right-of-use assets 209 [5] 202 [6] 190 [7]
Industrial inputs, consumable materials and supplies 521 [5] 454 [6] 370 [7]
Operation services and other service contracts 535 [5] 383 [6] 388 [7]
Preservation, repair and maintenance 1,395 [5] 1,206 [6] 905 [7]
Transportation, products and charges 521 [5] 473 [6] 359 [7]
Fuel, gas, energy and miscellaneous 135 [5] 170 [6] 88 [7]
Total 8,703 [5] 7,704 [6] 6,880 [7]
Administrative expenses [Member]      
Disclosure of expenses [line items]      
Salaries and social security taxes 276 222 148
Fees and compensation for services 236 194 136
Other personnel expenses 26 19 12
Taxes, charges and contributions 24 13 7
Insurance 3 3 5
Rental of real estate and equipment 1 1 0
Depreciation of property, plant and equipment 43 61 60
Amortization of intangible assets 7 14 12
Industrial inputs, consumable materials and supplies 5 2 4
Operation services and other service contracts 10 10 8
Preservation, repair and maintenance 29 25 20
Publicity and advertising expenses 36 82 43
Fuel, gas, energy and miscellaneous 9 11 15
Total 705 657 470
Selling expenses [Member]      
Disclosure of expenses [line items]      
Salaries and social security taxes 136 116 84
Fees and compensation for services 37 32 29
Other personnel expenses 13 11 6
Taxes, charges and contributions 765 [8] 954 [9] 757 [10]
Royalties, easements and fees 2 2 1
Insurance 3 2 2
Rental of real estate and equipment 16 11 12
Depreciation of property, plant and equipment 87 90 86
Amortization of intangible assets 0 0 1
Depreciation of right-of-use assets 11 12 11
Industrial inputs, consumable materials and supplies 12 10 9
Operation services and other service contracts 59 52 51
Preservation, repair and maintenance 43 44 23
Transportation, products and charges 491 434 309
Provision for doubtful trade receivables 18 14 30
Publicity and advertising expenses 56 21 18
Fuel, gas, energy and miscellaneous 55 91 78
Total 1,804 1,896 1,507
Exploration expenses [Member]      
Disclosure of expenses [line items]      
Salaries and social security taxes 13 11 4
Fees and compensation for services 0 1 0
Other personnel expenses 1 1 1
Taxes, charges and contributions 0 0 1
Royalties, easements and fees 2 3 2
Survey expenses 16 18 3
Operation services and other service contracts 6 4 6
Preservation, repair and maintenance 0 1 1
Unproductive exploratory drillings 21 26 10
Fuel, gas, energy and miscellaneous 2 0 2
Total $ 61 $ 65 $ 30
[1] Includes 18 corresponding to Productive Recovery Program II (“REPRO II”) in benefit of OPESSA. See Note 36.
[2] Includes 75 and 104 corresponding to short-term leases and to the lease charge related to the underlying asset performance and/or use, respectively.
[3] Includes 63 and 104 corresponding to short-term leases and to the lease charge related to the underlying asset performance and/or use, respectively.
[4] Includes 40 and 58 corresponding to short-term leases and to the lease charge related to the underlying asset performance and/or use, respectively.
[5] Includes 23 corresponding to research and development activities.
[6] Includes 27 corresponding to research and development activities.
[7] Includes 19 corresponding to research and development activities.
[8] Includes 89 corresponding to export withholdings and 541 corresponding to turnover tax.
[9] Includes 251 corresponding to export withholdings and 567 corresponding to turnover tax.
[10] Includes 206 corresponding to export withholdings and 450 corresponding to turnover tax.