XML 221 R182.htm IDEA: XBRL DOCUMENT v3.8.0.1
Property and equipment (Details 1) - BRL (R$)
R$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation R$ 8,432,475 R$ 8,397,116 R$ 5,504,435
Buildings      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation R$ 1,670,141 R$ 1,698,925 582,602
Annual rate of depreciation 4.00% 4.00%  
Land      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation R$ 982,720 R$ 1,027,535 448,020
Annual rate of depreciation 0.00% 0.00%  
Installations, properties and equipment for use      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation R$ 2,783,484 R$ 2,872,445 2,788,330
Annual rate of depreciation 10.00% 10.00%  
Security and communications systems      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation R$ 135,349 R$ 132,861 59,086
Annual rate of depreciation 10.00% 10.00%  
Data processing systems      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation R$ 1,621,597 R$ 1,436,248  
Annual rate of depreciation 20.00% 20.00%  
Transportation systems      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation R$ 38,459 R$ 46,605 R$ 70,237
Annual rate of depreciation 20.00% 20.00%  
Financial leasing of data processing systems      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation R$ 1,200,725 R$ 1,182,497  
Annual rate of depreciation 20.00% 20.00%  
Cost      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation R$ 16,405,492 R$ 15,514,262  
Cost | Buildings      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation 2,153,407 2,153,351  
Cost | Land      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation 982,720 1,027,535  
Cost | Installations, properties and equipment for use      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation 5,450,939 5,187,160  
Cost | Security and communications systems      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation 349,228 325,835  
Cost | Data processing systems      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation 3,950,625 3,504,229  
Cost | Transportation systems      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation 86,705 86,639  
Cost | Financial leasing of data processing systems      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation 3,431,868 3,229,513  
Accumulated depreciation      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation (7,973,017) (7,117,146)  
Accumulated depreciation | Buildings      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation (483,266) (454,426)  
Accumulated depreciation | Land      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation 0 0  
Accumulated depreciation | Installations, properties and equipment for use      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation (2,667,455) (2,314,715)  
Accumulated depreciation | Security and communications systems      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation (213,879) (192,974)  
Accumulated depreciation | Data processing systems      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation (2,329,028) (2,067,981)  
Accumulated depreciation | Transportation systems      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation (48,246) (40,034)  
Accumulated depreciation | Financial leasing of data processing systems      
Composition of property and equipment by class      
Property and equipment, net of accumulated depreciation R$ (2,231,143) R$ (2,047,016)