Expenses by Nature (Tables)

12 Months Ended

Dec. 31, 2025

Text Block1 [Abstract]

Detailed Information about Expenses by Nature


		2025
		Production costs (2)				Administrative expenses (3)				Selling expenses								Exploration expenses				Total
Salaries and social security taxes			1,009				301				158								9				1,477
Fees and compensation for services			88				253				42								-				383
Other personnel expenses			265				33				13								3				314
Taxes, charges and contributions			136				11				981				(1)				-				1,128
Royalties, easements and fees			1,011				-				2								4				1,017
Insurance			70				3				4								-				77
Rental of real estate and equipment			214				1				15								-				230				(4)
Survey expenses			-				-				-								25				25
Depreciation of property, plant and equipment			2,708				46				103								-				2,857
Amortization of intangible assets			40				21				-								-				61
Depreciation of right-of-use assets			274				-				12								-				286
Industrial inputs, consumable materials and supplies			469				6				12								3				490
Operation services and other service contracts			168				14				61								13				256				(4)
Preservation, repair and maintenance			1,393				34				45								22				1,494				(4)
Unproductive exploratory drillings			-				-				-								32				32
Transportation, products and charges			503				-				463								-				966				(4)
Provision for doubtful receivables			-				21				54								-				75
Publicity and advertising expenses			-				62				40								-				102
Fuel, gas, energy and miscellaneous			158				24				83								5				270				(4)

			8,506				830				2,088								116				11,540

(1)	Includes 245 corresponding to export withholdings and 549 corresponding to turnover tax.

(2)	Includes 28 corresponding to research and development activities.

(3)	Includes 25 charged to the “Cash-settled share-based payments provision” account of the “Salaries and social security” line item in the statement of financial position, relating to the Value Generation Plan.

(4)	Includes 22 and 66 corresponding to short-term leases and to the lease charge relating to the underlying asset use or performance, respectively.


		2024
		Production costs (2)				Administrative expenses (3)				Selling expenses								Exploration expenses				Total
Salaries and social security taxes			1,066				321				149								14				1,550
Fees and compensation for services			71				257				46								-				374
Other personnel expenses			302				30				15								4				351
Taxes, charges and contributions			180				24				1,006				(1)				-				1,210
Royalties, easements and fees			1,133				-				2								2				1,137
Insurance			93				5				4								-				102
Rental of real estate and equipment			222				1				16								-				239				(4)
Survey expenses			-				-				-								36				36
Depreciation of property, plant and equipment			2,303				46				97								-				2,446
Amortization of intangible assets			28				14				1								-				43
Depreciation of right-of-use assets			258				-				12								-				270
Industrial inputs, consumable materials and supplies			528				4				10								3				545
Operation services and other service contracts			649				13				54								17				733				(4)
Preservation, repair and maintenance			1,706				38				42								20				1,806				(4)
Unproductive exploratory drillings			-				-				-								133				133
Transportation, products and charges			551				-				474								-				1,025				(4)
Provision for doubtful receivables			-				25				66								-				91
Publicity and advertising expenses			-				45				55								-				100
Fuel, gas, energy and miscellaneous			162				13				83								10				268				(4)

			9,252				836				2,132								239				12,459

(1)	Includes 237 corresponding to export withholdings and 594 corresponding to turnover tax.

(2)	Includes 40 corresponding to research and development activities.

(3)	Includes 33 charged to the “Cash-settled share-based payments provision” account of the “Salaries and social security” line item in the statement of financial position, relating to the Value Generation Plan.

(4)	Includes 43 and 92 corresponding to short-term leases and to the lease charge relating to the underlying asset use or performance, respectively.


		2023
		Production costs (2)				Administrative expenses				Selling expenses								Exploration expenses				Total
Salaries and social security taxes			790				276				136								13				1,215
Fees and compensation for services			50				236				37								-				323
Other personnel expenses			232				26				13								1				272
Taxes, charges and contributions			130				24				765				(1)				-				919
Royalties, easements and fees			1,009				-				2								2				1,013
Insurance			81				3				3								-				87
Rental of real estate and equipment			179				1				16								-				196				(3)
Survey expenses			-				-				-								16				16
Depreciation of property, plant and equipment			2,886				43				87								-				3,016
Amortization of intangible assets			30				7				-								-				37
Depreciation of right-of-use assets			209				-				11								-				220
Industrial inputs, consumable materials and supplies			521				5				12								-				538
Operation services and other service contracts			535				10				59								6				610				(3)
Preservation, repair and maintenance			1,395				29				43								-				1,467				(3)
Unproductive exploratory drillings			-				-				-								21				21
Transportation, products and charges			521				-				491								-				1,012				(3)
Provision for doubtful receivables			-				-				18								-				18
Publicity and advertising expenses			-				36				56								-				92
Fuel, gas, energy and miscellaneous			135				9				55								2				201				(3)

			8,703				705				1,804								61				11,273

(1)	Includes 89 corresponding to export withholdings and 541 corresponding to turnover tax.

(2)	Includes 23 corresponding to research and development activities.

(3)	Includes 75 and 104 corresponding to short-term leases and to the lease charge relating to the underlying asset use or performance, respectively.