XML 183 R131.htm IDEA: XBRL DOCUMENT v3.19.1
Lease Commitments as Lessee - Schedule of Minimum Payments of Initiated and Remaining Lease Agreements With Non-cancelable Clauses (Detail) - BRL (R$)
R$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Disclosure of finance lease and operating lease by lessee [line items]    
Future minimum payments, with non-cancelable clauses R$ 5,437 R$ 5,423
Current [Member]    
Disclosure of finance lease and operating lease by lessee [line items]    
Future minimum payments, with non-cancelable clauses 774 1,113
Current [Member] | Up to one year [Member]    
Disclosure of finance lease and operating lease by lessee [line items]    
Future minimum payments, with non-cancelable clauses 774 1,113
Non-current [Member]    
Disclosure of finance lease and operating lease by lessee [line items]    
Future minimum payments, with non-cancelable clauses 4,663 4,310
Non-current [Member] | From one to five years [Member]    
Disclosure of finance lease and operating lease by lessee [line items]    
Future minimum payments, with non-cancelable clauses 3,894 3,927
Non-current [Member] | Over 5 years [Member]    
Disclosure of finance lease and operating lease by lessee [line items]    
Future minimum payments, with non-cancelable clauses R$ 769 R$ 383