XML 233 R138.htm IDEA: XBRL DOCUMENT v3.20.1
17 Property, Plant and Equipment (Details 1) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disclosure of detailed information about property, plant and equipment [line items]    
Property, plant and equipment, beginning R$ 10,840,663 R$ 9,829,450
Additions/Reversal of impairment 582,259 1,469,480
Depreciation (665,182) (389,312)
Loss on disposal (158,084) (68,450)
Transfers (7,553) (505)
Property, plant and equipment, ending 10,592,103 10,840,663
In Service [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, plant and equipment, beginning 6,248,576 6,016,795
Additions/Reversal of impairment 61,112 1,497
Depreciation (665,182) (389,312)
Loss on disposal (142,544) (62,959)
Transfers 4,517,555 682,555
Property, plant and equipment, ending 10,019,517 6,248,576
In Service [Member] | Reservoirs, Dams and Aqueducts [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, plant and equipment, beginning 2,426,474 2,566,727
Additions/Reversal of impairment
Depreciation (188,334) (144,991)
Loss on disposal (42) (1)
Transfers 1,438,594 4,739
Property, plant and equipment, ending 3,676,692 2,426,474
In Service [Member] | Machinery and Equipment [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, plant and equipment, beginning 2,974,142 2,665,935
Additions/Reversal of impairment
Depreciation (409,571) (199,846)
Loss on disposal (141,902) (61,959)
Transfers 3,581,221 570,012
Property, plant and equipment, ending 6,003,890 2,974,142
In Service [Member] | Buildings [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, plant and equipment, beginning 479,207 510,923
Additions/Reversal of impairment
Depreciation (52,330) (35,932)
Loss on disposal (500)
Transfers 481,147 4,716
Property, plant and equipment, ending 908,024 479,207
In Service [Member] | Land [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, plant and equipment, beginning 357,102 262,378
Additions/Reversal of impairment
Depreciation (9,466) (2,897)
Loss on disposal (463) (83)
Transfers 115,247 97,704
Property, plant and equipment, ending 462,420 357,102
In Service [Member] | Vehicles and Aircraft [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, plant and equipment, beginning 5,766 10,342
Additions/Reversal of impairment
Depreciation (3,482) (4,484)
Loss on disposal (128) (392)
Transfers 928 300
Property, plant and equipment, ending 3,084 5,766
In Service [Member] | Furniture And Tools [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, plant and equipment, beginning 9,415 5,514
Additions/Reversal of impairment
Depreciation (2,007) (1,171)
Loss on disposal (9) (24)
Transfers 550 5,096
Property, plant and equipment, ending 7,949 9,415
In Service [Member] | Provision For Impairment [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, plant and equipment, beginning (3,489) (4,986)
Additions/Reversal of impairment 61,112 1,497
Depreciation
Loss on disposal
Transfers (1,100,122)
Property, plant and equipment, ending (1,042,499) (3,489)
In Service [Member] | Special Obligations [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, plant and equipment, beginning (41) (38)
Additions/Reversal of impairment
Depreciation 8 9
Loss on disposal
Transfers (10) (12)
Property, plant and equipment, ending (43) (41)
In Progress [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, plant and equipment, beginning 4,592,087 3,812,655
Additions/Reversal of impairment 521,147 1,467,983
Depreciation
Loss on disposal (15,540) (5,491)
Transfers (4,525,108) (683,060)
Property, plant and equipment, ending 572,586 4,592,087
In Progress [Member] | Provision For Impairment [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, plant and equipment, beginning (1,197,693) (1,210,358)
Additions/Reversal of impairment (30,015) 12,665
Depreciation
Loss on disposal
Transfers 1,100,122
Property, plant and equipment, ending (127,586) (1,197,693)
In Progress [Member] | Cost [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Property, plant and equipment, beginning 5,789,780 5,023,013
Additions/Reversal of impairment 551,162 1,455,318
Depreciation
Loss on disposal (15,540) (5,491)
Transfers (5,625,230) (683,060)
Property, plant and equipment, ending R$ 700,172 R$ 5,789,780