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Expenses by Nature - Detailed Information about Expenses by Nature (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of expenses [line items]      
Salaries and social security taxes $ 1,130 $ 773 [1] $ 850 [2]
Fees and compensation for services 273 212 177
Other personnel expenses 233 159 137
Taxes, charges and contributions 1,088 883 623
Royalties, easements and fees 1,031 834 612
Insurance 76 81 81
Rental of real estate and equipment 152 [3] 137 [4] 124 [5]
Survey expenses 18 3 7
Depreciation of property, plant and equipment 2,551 2,816 2,460
Amortization of intangible assets 43 51 48
Depreciation of right-of-use assets 214 201 254
Industrial inputs, consumable materials and supplies 466 383 320
Operation services and other service contracts 449 [3] 453 [4] 563 [5]
Preservation, repair and maintenance 1,276 [3] 949 [4] 728 [5]
Unproductive exploratory drillings 26 10 49
Transportation, products and charges 907 [3] 668 [4] 536 [5]
Provision for doubtful trade receivables 14 30 170
Publicity and advertising expenses 103 61 40
Fuel, gas, energy and miscellaneous 272 [3] 183 [4] 275 [5]
Total 10,322 8,887 8,054
Production costs [Member]      
Disclosure of expenses [line items]      
Salaries and social security taxes 781 537 563
Fees and compensation for services 46 47 37
Other personnel expenses 202 140 120
Taxes, charges and contributions 121 118 87
Royalties, easements and fees 1,026 831 610
Insurance 71 74 74
Rental of real estate and equipment 140 125 95
Depreciation of property, plant and equipment 2,400 2,670 2,319
Amortization of intangible assets 29 38 40
Depreciation of right-of-use assets 202 190 241
Industrial inputs, consumable materials and supplies 454 370 312
Operation services and other service contracts 383 388 501
Preservation, repair and maintenance 1,206 905 689
Transportation, products and charges 473 359 299
Fuel, gas, energy and miscellaneous 170 88 196
Total 7,704 6,880 6,183
Administrative expenses [Member]      
Disclosure of expenses [line items]      
Salaries and social security taxes 222 148 178
Fees and compensation for services 194 136 118
Other personnel expenses 19 12 11
Taxes, charges and contributions 13 7 5
Insurance 3 5 5
Rental of real estate and equipment 1 0 0
Depreciation of property, plant and equipment 61 60 58
Amortization of intangible assets 14 12 7
Industrial inputs, consumable materials and supplies 2 4 2
Operation services and other service contracts 10 8 8
Preservation, repair and maintenance 25 20 17
Publicity and advertising expenses 82 43 31
Fuel, gas, energy and miscellaneous 11 15 27
Total 657 470 467
Selling expenses [Member]      
Disclosure of expenses [line items]      
Salaries and social security taxes 116 84 98
Fees and compensation for services 32 29 22
Other personnel expenses 11 6 5
Taxes, charges and contributions 954 [6] 757 [7] 530 [8]
Royalties, easements and fees 2 1 1
Insurance 2 2 2
Rental of real estate and equipment 11 12 29
Depreciation of property, plant and equipment 90 86 83
Amortization of intangible assets 0 1 1
Depreciation of right-of-use assets 12 11 13
Industrial inputs, consumable materials and supplies 10 9 6
Operation services and other service contracts 52 51 46
Preservation, repair and maintenance 44 23 21
Transportation, products and charges 434 309 237
Provision for doubtful trade receivables 14 30 170
Publicity and advertising expenses 21 18 9
Fuel, gas, energy and miscellaneous 91 78 51
Total 1,896 1,507 1,324
Exploration expenses [Member]      
Disclosure of expenses [line items]      
Salaries and social security taxes 11 4 11
Fees and compensation for services 1 0 0
Other personnel expenses 1 1 1
Taxes, charges and contributions 0 1 1
Royalties, easements and fees 3 2 1
Survey expenses 18 3 7
Operation services and other service contracts 4 6 8
Preservation, repair and maintenance 1 1 1
Unproductive exploratory drillings 26 10 49
Fuel, gas, energy and miscellaneous 0 2 1
Total $ 65 $ 30 $ 80
[1] Includes 18 corresponding to Productive Recovery Program II (“REPRO II”) in benefit of OPESSA. See Note 36.
[2] Includes 18 corresponding to the Work and Production Assistance Program received in benefit of AESA and OPESSA. See Note 36.
[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 59 and 76 corresponding to short-term leases and to the lease charge related to the underlying asset performance and/or use, respectively.
[6] Includes 251 corresponding to export withholdings and 567 corresponding to Turnover Tax.
[7] Includes 206 corresponding to export withholdings and 450 corresponding to Turnover Tax (see Note 2.d)).
[8] Includes 134 corresponding to export withholdings and 322 corresponding to Turnover Tax (see Note 2.d)).