XML 147 R131.htm IDEA: XBRL DOCUMENT v3.19.1
18. Property, Plant and Equipment (Details 1) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment, beginning R$ 9,829,450 R$ 8,934,303  
Additions/Reversal of impairment 1,469,480 1,316,415 R$ 807,833
Depreciation (389,311) (379,041)  
Loss on disposal (68,450) (64,508)  
Capitalizations 0    
Transfers/ Reclassifications (505) 22,281  
Property, plant and equipment, ending 10,840,663 9,829,450 8,934,303
In service      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment, beginning 6,016,795 6,100,705  
Additions/Reversal of impairment 1,497 72,332  
Depreciation (389,311) (379,041)  
Loss on disposal (62,959) (40,639)  
Capitalizations 873,381    
Transfers/ Reclassifications (190,826) 263,438  
Property, plant and equipment, ending 6,248,577 6,016,795 6,100,705
In service | Reservoirs, dams and aqueducts      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment, beginning 2,566,727 2,683,512  
Additions/Reversal of impairment 0 0  
Depreciation (144,991) (144,484)  
Loss on disposal (1) (2,160)  
Capitalizations 4,739    
Transfers/ Reclassifications 0 29,859  
Property, plant and equipment, ending 2,426,474 2,566,727 2,683,512
In service | Machinery and equipment      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment, beginning 2,665,935 2,663,972  
Additions/Reversal of impairment 0 0  
Depreciation (199,846) (188,988)  
Loss on disposal (61,959) (37,685)  
Capitalizations 760,887    
Transfers/ Reclassifications (190,875) 228,637  
Property, plant and equipment, ending 2,974,141 2,665,935 2,663,972
In service | Buildings      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment, beginning 510,923 544,372  
Additions/Reversal of impairment 0 0  
Depreciation (35,931) (36,347)  
Loss on disposal (500) (773)  
Capitalizations 4,716    
Transfers/ Reclassifications 0 3,671  
Property, plant and equipment, ending 479,208 510,923 544,372
In service | Land      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment, beginning 262,378 264,761  
Additions/Reversal of impairment 0 0  
Depreciation (2,897) (2,935)  
Loss on disposal (83) (3)  
Capitalizations 97,704    
Transfers/ Reclassifications 0 555  
Property, plant and equipment, ending 357,102 262,378 264,761
In service | Vehicles and aircraft      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment, beginning 10,342 15,671  
Additions/Reversal of impairment 0 0  
Depreciation (4,484) (5,492)  
Loss on disposal (392) (6)  
Capitalizations 300    
Transfers/ Reclassifications 0 169  
Property, plant and equipment, ending 5,766 10,342 15,671
In service | Furniture and tools      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment, beginning 5,514 5,782  
Additions/Reversal of impairment 0 0  
Depreciation (1,171) (803)  
Loss on disposal (24) (12)  
Capitalizations 5,047    
Transfers/ Reclassifications 49 547  
Property, plant and equipment, ending 9,416 5,514 5,782
In service | Provision for impairment      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment, beginning (4,986) (77,318)  
Additions/Reversal of impairment 1,497 72,332  
Depreciation 0 0  
Loss on disposal 0 0  
Capitalizations 0    
Transfers/ Reclassifications 0 0  
Property, plant and equipment, ending (3,489) (4,986) (77,318)
In service | Special Obligations      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment, beginning (38) (46)  
Additions/Reversal of impairment 0 0  
Depreciation 9 8  
Loss on disposal 0 0  
Capitalizations (12)    
Transfers/ Reclassifications 0 0  
Property, plant and equipment, ending (41) (38) (46)
In progress      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment, beginning 3,812,655 2,833,598  
Additions/Reversal of impairment 1,467,983 1,244,083  
Depreciation 0 0  
Loss on disposal (13,092) (23,869)  
Capitalizations (873,381)    
Transfers/ Reclassifications 190,321 (241,157)  
Property, plant and equipment, ending 4,592,086 3,812,655 2,833,598
In progress | Provision for impairment      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment, beginning (1,210,358) (1,136,105)  
Additions/Reversal of impairment 12,665 (74,253)  
Depreciation 0 0  
Loss on disposal 0 0  
Capitalizations 0    
Transfers/ Reclassifications 0 0  
Property, plant and equipment, ending (1,197,693) (1,210,358) (1,136,105)
In progress | Cost      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment, beginning 5,023,013 3,969,703  
Additions/Reversal of impairment 1,455,318 1,318,336  
Depreciation 0 0  
Loss on disposal (5,491) (23,869)  
Capitalizations (873,381)    
Transfers/ Reclassifications 190,321 (241,157)  
Property, plant and equipment, ending R$ 5,789,779 R$ 5,023,013 R$ 3,969,703