Land, buildings

and

improvement

Equipment and other assets ^(*)

Assets under

construction ^(**)

Exploration and development costs (oil and gas producing properties) ^(***)

Right-of-use assets

Total

Balance at January 1, 2019

5,210

76,028

28,926

47,219

-

157,383

Adoption of IFRS 16

-

26,575

Additions

-

2,784

5,269

145

2,332

10,530

Additions to / review of estimates of decommissioning costs

-

5,497

-

5,497

Capitalized borrowing costs

-

1,336

-

1,336

Reimbursement under the Transfer of Rights Agreement

-

(8,319)

-

(8,319)

Write-offs

(3)

(92)

(293)

(407)

(21)

(816)

Transfers

478

6,055

(10,466)

4,879

126

1,072

Transfers to assets held for sale

(803)

(4,942)

(621)

(1,204)

(1,339)

(8,909)

Depreciation, amortization and depletion

(231)

(6,106)

-

(4,756)

(5,019)

(16,112)

Impairment recognition

(2)

(1,298)

(1,453)

(743)

(161)

(3,657)

Impairment reversal

-

236

80

459

-

775

Cumulative translation adjustment

(199)

(2,287)

(826)

(1,873)

(905)

(6,090)

Balance at December 31, 2019

4,450

70,378

21,952

40,897

21,588

159,265

Cost

6,856

119,993

21,952

70,647

26,440

245,888

Accumulated depreciation, amortization, depletion and impairment

(2,406)

(49,615)

-

(29,750)

(4,852)

(86,623)

Balance at December 31, 2019

4,450

70,378

21,952

40,897

21,588

159,265

Additions

-

2,829

1,702

2

1,093

5,626

Additions to / review of estimates of decommissioning

costs (note 16)

-

12

-

12

Capitalized borrowing costs

-

494

-

494

Write-offs

-

(15)

(76)

15

(2)

(78)

Transfers

(308)

1,305

(704)

(72)

(44)

177

Transfers to assets held for sale

-

(142)

113

(567)

-

(596)

Depreciation, amortization and depletion

(79)

(2,511)

-

(2,112)

(2,048)

(6,750)

Impairment recognition (note 20)

(5)

(6,824)

(2,895)

(3,318)

(331)

(13,373)

Cumulative translation adjustment

(1,134)

(14,876)

(5,322)

(10,203)

(5,262)

(36,797)

Balance at June 30, 2020

2,924

50,144

15,264

24,654

14,994

107,980

Cost

5,152

101,093

24,981

54,332

20,745

206,303

Accumulated depreciation, amortization, depletion and impairment

(2,228)

(50,949)

(9,717)

(29,678)

(5,751)

(98,323)

Balance at June 30, 2020

2,924

50,144

15,264

24,654

14,994

107,980

Weighted average useful life in years

40

(25 to 50)

(except land)

20

(3 to 31)

Units of production method

8

(2 to 47)

(*) It is composed of platforms, refineries, thermoelectric power plants, natural gas processing plants, pipelines, rights of use and other operating, storage and production plants, also including exploration and production assets depreciated based on the units of production method.

(**) See note 25 for assets under construction by operating segment.

(***) It is composed of exploration and production assets related to wells, abandonment and dismantling of areas, signature bonuses associated to proved reserves and other costs directly associated with the exploration and production of oil and gas.