XML 184 R132.htm IDEA: XBRL DOCUMENT v3.19.1
Fixed Assets - Summary of Fixed Assets (Detail) - BRL (R$)
R$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance R$ 7,359 R$ 8,042  
Annual depreciation rates 0 percent    
Ending balance R$ 7,302 7,359 R$ 8,042
Cost [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance 19,656 19,114 18,350
Acquisitions 1,483 943 1,430
Disposal (484) (464) (551)
Exchange variation 28 55 34
Transfers     (66)
Other 333 8 (83)
Ending balance 21,016 19,656 19,114
Depreciation and Amortization [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance (12,297) (11,072) (9,809)
Accumulated depreciation (1,545) (1,564) (1,702)
Disposal 337 353 456
Exchange variation 14 6 (101)
Other (223) (20) 84
Ending balance (13,714) (12,297) (11,072)
Fixed assets under construction [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance R$ 367 387  
Annual depreciation rates 0 percent    
Ending balance R$ 556 367 387
Fixed assets under construction [Member] | Cost [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance 367 387 792
Acquisitions 474 302 341
Exchange variation 3   (2)
Transfers (289) (320) (738)
Other 1 (2) (6)
Ending balance 556 367 387
Real estate in use [Member] | Land [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance R$ 1,044 1,047  
Annual depreciation rates 0 percent    
Ending balance R$ 1,084 1,044 1,047
Real estate in use [Member] | Land [member] | Cost [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance 1,044 1,047 1,008
Acquisitions     57
Disposal (13) (1) (4)
Exchange variation 6 4 (15)
Other 47 (6) 1
Ending balance 1,084 1,044 R$ 1,047
Real estate in use [Member] | Buildings [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance R$ 1,214 R$ 1,259  
Annual depreciation rates 4 percent 4 percent 4 percent
Ending balance R$ 1,182 R$ 1,214 R$ 1,259
Real estate in use [Member] | Buildings [member] | Cost [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance 3,107 3,099 3,026
Acquisitions     70
Disposal (103) (69) (13)
Exchange variation (2) 5 (11)
Transfers 66 86 27
Other 43 (14)  
Ending balance 3,111 3,107 3,099
Real estate in use [Member] | Buildings [member] | Depreciation and Amortization [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance (1,893) (1,840) (1,764)
Accumulated depreciation (80) (80) (80)
Disposal 24 16 11
Exchange variation 14   (8)
Other 6 11 1
Ending balance (1,929) (1,893) R$ (1,840)
Other fixed assets [Member] | Improvements [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance R$ 829 R$ 743  
Annual depreciation rates 10 percent 10 percent 10 percent
Ending balance R$ 817 R$ 829 R$ 743
Other fixed assets [Member] | Improvements [Member] | Cost [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance 2,204 1,857 1,673
Acquisitions 35 147 137
Disposal (45) (46) (56)
Exchange variation 42 37 (22)
Transfers 122 122 125
Other 129 87  
Ending balance 2,487 2,204 1,857
Other fixed assets [Member] | Improvements [Member] | Depreciation and Amortization [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance (1,375) (1,114) (930)
Accumulated depreciation (183) (211) (245)
Disposal 32 29 53
Exchange variation (24) (12) 8
Other (120) (67)  
Ending balance (1,670) (1,375) (1,114)
Other fixed assets [Member] | Installations [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance 804 915  
Ending balance 698 804 915
Other fixed assets [Member] | Installations [Member] | Cost [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance 1,955 1,901 1,801
Acquisitions 22 7 47
Disposal (13) (1) (15)
Exchange variation (8) 15 (3)
Transfers 39 26  
Other (7) 7 71
Ending balance 1,988 1,955 1,901
Other fixed assets [Member] | Installations [Member] | Depreciation and Amortization [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance (1,151) (986) (841)
Accumulated depreciation (155) (154) (142)
Disposal 5   6
Exchange variation 12 10 9
Other (1) (21) (18)
Ending balance (1,290) (1,151) (986)
Other fixed assets [Member] | Furniture and Equipment [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance 437 531  
Ending balance 375 437 531
Other fixed assets [Member] | Furniture and Equipment [Member] | Cost [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance 1,152 1,205 975
Acquisitions 59 111 309
Disposal (16) (14) (8)
Exchange variation (5) (12) (67)
Transfers     1
Other 19 (138) (5)
Ending balance 1,209 1,152 1,205
Other fixed assets [Member] | Furniture and Equipment [Member] | Depreciation and Amortization [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance (715) (674) (579)
Accumulated depreciation (97) (104) (102)
Disposal 11 6 5
Exchange variation 20 28 (1)
Other (53) 29 3
Ending balance (834) (715) (674)
Other fixed assets [Member] | EDP systems [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance 2,268 2,739  
Ending balance 2,200 2,268 2,739
Other fixed assets [Member] | EDP systems [Member] | Cost [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance 8,679 8,543 8,217
Acquisitions 764 294 246
Disposal (264) (313) (449)
Exchange variation (12) 5 151
Transfers 62 86 515
Other 99 64 (137)
Ending balance 9,328 8,679 8,543
Other fixed assets [Member] | EDP systems [Member] | Depreciation and Amortization [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance (6,411) (5,804) (5,138)
Accumulated depreciation (909) (910) (1,038)
Disposal 236 283 377
Exchange variation (5) (16) (101)
Other (39) 36 96
Ending balance (7,128) (6,411) (5,804)
Other fixed assets [Member] | Other (communication,security and transportation) [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance 396 421  
Ending balance 390 396 421
Other fixed assets [Member] | Other (communication,security and transportation) [Member] | Cost [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance 1,148 1,075 858
Acquisitions 129 82 223
Disposal (30) (20) (6)
Exchange variation 4 1 3
Transfers     4
Other 2 10 (7)
Ending balance 1,253 1,148 1,075
Other fixed assets [Member] | Other (communication,security and transportation) [Member] | Depreciation and Amortization [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning balance (752) (654) (557)
Accumulated depreciation (121) (105) (95)
Disposal 29 19 4
Exchange variation (3) (4) (8)
Other (16) (8) 2
Ending balance R$ (863) R$ (752) R$ (654)
Other fixed assets [Member] | Bottom of range [member] | Installations [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Annual depreciation rates 10 percent 10 percent 10 percent
Other fixed assets [Member] | Bottom of range [member] | Furniture and Equipment [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Annual depreciation rates 10 percent 10 percent 10 percent
Other fixed assets [Member] | Bottom of range [member] | EDP systems [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Annual depreciation rates 20 percent 20 percent 20 percent
Other fixed assets [Member] | Bottom of range [member] | Other (communication,security and transportation) [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Annual depreciation rates 10 percent 10 percent 10 percent
Other fixed assets [Member] | Top of range [member] | Installations [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Annual depreciation rates 20 percent 20 percent 20 percent
Other fixed assets [Member] | Top of range [member] | Furniture and Equipment [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Annual depreciation rates 20 percent 20 percent 20 percent
Other fixed assets [Member] | Top of range [member] | EDP systems [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Annual depreciation rates 50 percent 50 percent 50 percent
Other fixed assets [Member] | Top of range [member] | Other (communication,security and transportation) [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Annual depreciation rates 20 percent 20 percent 20 percent