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Income and Social Contribution Taxes - Deferred Taxes (Detail) - BRL (R$)
R$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Deferred income and social contribution taxes asset [abstract]    
Provision for impairment of assets R$ 116,191 R$ 103,092
Provisions for tax, civil, and labor risks 154,516 145,767
Provision for post-employment benefits 85,575 81,199
Provision for differences between cash and accrual basis 147,376 40,755
Goodwill 12,258 14,234
Business combination - fiscal basis vs. accounting basis of goodwill 75,838 74,972
Provision for asset retirement obligation 15,801 19,111
Other provisions 144,354 158,952
Tax losses and negative basis for social contribution carryforwards (d) 208,036 201,471
Total 959,945 839,553
Offset the liabilities balance (445,758) (225,492)
Net balance of assets 514,187 614,061
Revaluation of property, plant, and equipment 1,981 2,109
Lease 2,858 3,361
Provision for differences between cash and accrual basis 138,332 44,440
Provision for goodwill 187,845 131,811
Business combination - fair value of assets 117,352 90,532
Temporary differences of foreign subsidiaries   955
Other provisions 6,687 35,926
Total 455,055 309,134
Offset the assets balance (445,758) (225,492)
Net balance of liabilities R$ 9,297 R$ 83,642