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v3.19.1

Risks and Financial Instruments - Sensitivity analysis of floating interest rate risk (Detail) - BRL (R$) R$ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Scenario I [member] |  |
Exposure of interest rate risk |  |
Interest effect on cash equivalents and financial investments | R$ 32.7 | R$ 47.3
Foreign exchange hedging instruments (assets in CDI) effect | 0.1 | 0.2
Interest effect on debt in CDI | (55.0) | (67.2)
Interest rate hedging instruments (liabilities in CDI) effect | (33.7) | (38.6)
Incremental expenses, CDI | (55.9) | (58.3)
Interest effect on debt in TJLP | (1.7) | (2.3)
Incremental expenses, TJLP | (1.7) | (2.3)
Foreign exchange hedging instruments (assets in LIBOR) effect | 2.8 | 1.4
Interest effect on debt in LIBOR | (3.6) | (1.7)
Incremental expenses, LIBOR | (0.8) | (0.3)
Interest effect on debt in TIIE | (0.1) | 0.0
Incremental expenses, TIIE | (0.1) | 0.0
Interest effect on debt in SELIC | (0.4) | (1.0)
Incremental expenses, SELIC | (0.4) | (1.0)
Scenario II [member] |  |
Exposure of interest rate risk |  |
Interest effect on cash equivalents and financial investments | 81.7 | 118.1
Foreign exchange hedging instruments (assets in CDI) effect | 0.2 | 0.5
Interest effect on debt in CDI | (137.4) | (168.0)
Interest rate hedging instruments (liabilities in CDI) effect | (73.4) | (94.2)
Incremental expenses, CDI | (128.9) | (143.6)
Interest effect on debt in TJLP | (4.2) | (5.6)
Incremental expenses, TJLP | (4.2) | (5.6)
Foreign exchange hedging instruments (assets in LIBOR) effect | 6.9 | 3.4
Interest effect on debt in LIBOR | (9.1) | (4.4)
Incremental expenses, LIBOR | (2.2) | (1.0)
Interest effect on debt in TIIE | (0.3) | (0.1)
Incremental expenses, TIIE | (0.3) | (0.1)
Interest effect on debt in SELIC | (1.0) | (2.5)
Incremental expenses, SELIC | (1.0) | (2.5)
Scenario III [member] |  |
Exposure of interest rate risk |  |
Interest effect on cash equivalents and financial investments | 163.3 | 236.3
Foreign exchange hedging instruments (assets in CDI) effect | 0.5 | 1.0
Interest effect on debt in CDI | (274.9) | (336.0)
Interest rate hedging instruments (liabilities in CDI) effect | (139.6) | (186.7)
Incremental expenses, CDI | (250.7) | (285.4)
Interest effect on debt in TJLP | (8.3) | (11.3)
Incremental expenses, TJLP | (8.3) | (11.3)
Foreign exchange hedging instruments (assets in LIBOR) effect | 13.9 | 6.8
Interest effect on debt in LIBOR | (18.1) | (8.7)
Incremental expenses, LIBOR | (4.2) | (1.9)
Interest effect on debt in TIIE | (0.5) | (0.2)
Incremental expenses, TIIE | (0.5) | (0.2)
Interest effect on debt in SELIC | (2.0) | (4.9)
Incremental expenses, SELIC | R$ (2.0) | R$ (4.9)

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