XML 162 R144.htm IDEA: XBRL DOCUMENT
v3.21.1

17 Property, Plant and Equipment (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | R$ 17,908,424 | R$ 19,010,184
Property, plant and equipment, Accumulated depreciation | (8,412,964) | (8,418,081)
Property, plant and equipment, net | 9,495,460 | 10,592,103
In Service [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | 17,298,078 | 18,437,598
Property, plant and equipment, Accumulated depreciation | (8,412,964) | (8,418,081)
Property, plant and equipment, net | 8,885,114 | 10,019,517
In Service [member] | Furniture And Tools [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | 22,314 | 22,415
Property, plant and equipment, Accumulated depreciation | (15,498) | (14,466)
Property, plant and equipment, net | 6,816 | 7,949
In Service [member] | Impairment (17.5) [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | (925,521) | (961,177)
Property, plant and equipment, Accumulated depreciation |  |
Property, plant and equipment, net | (925,521) | (961,177)
In Service [member] | Special Obligations [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | (332) | (78)
Property, plant and equipment, Accumulated depreciation | 81 | 35
Property, plant and equipment, net | (251) | (43)
In Service [member] | Vehicles and Aircraft [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | 44,617 | 47,960
Property, plant and equipment, Accumulated depreciation | (42,725) | (44,876)
Property, plant and equipment, net | 1,892 | 3,084
In Service [member] | Land [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | 490,177 | 490,071
Property, plant and equipment, Accumulated depreciation | (38,269) | (27,651)
Property, plant and equipment, net | 451,908 | 462,420
In Service [member] | Machinery and Equipment [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | 7,644,171 | 8,875,458
Property, plant and equipment, Accumulated depreciation | (2,619,939) | (2,871,568)
Property, plant and equipment, net | 5,024,232 | 6,003,890
In Service [member] | Reservoirs, Dams and Aqueducts [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | 8,081,989 | 8,082,238
Property, plant and equipment, Accumulated depreciation | (4,600,598) | (4,405,546)
Property, plant and equipment, net | 3,481,391 | 3,676,692
In Service [member] | Buildings [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | 1,968,591 | 1,962,033
Property, plant and equipment, Accumulated depreciation | (1,096,016) | (1,054,009)
Property, plant and equipment, net | 872,575 | 908,024
In Service [member] | Impairment (17.6) [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | (27,928) | (81,322)
Property, plant and equipment, Accumulated depreciation |  |
Property, plant and equipment, net | (27,928) | (81,322)
In Progress [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | 610,346 | 572,586
Property, plant and equipment, Accumulated depreciation |  |
Property, plant and equipment, net | 610,346 | 572,586
In Progress [member] | Impairment (17.5) [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | (120,308) | (122,261)
Property, plant and equipment, Accumulated depreciation |  |
Property, plant and equipment, net | (120,308) | (122,261)
In Progress [member] | Cost [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | 734,507 | 700,172
Property, plant and equipment, Accumulated depreciation |  |
Property, plant and equipment, net | 734,507 | 700,172
In Progress [member] | Impairment (17.6) [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, cost | (3,853) | (5,325)
Property, plant and equipment, Accumulated depreciation |  |
Property, plant and equipment, net | R$ (3,853) | R$ (5,325)

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