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Note 27 - Financial Instruments and Risks - Sensitivity Analysis of Financial Instruments (Details) R$ in Millions | 12 Months Ended
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Dec. 31, 2017 BRL (R$)
Statement Line Items [Line Items] |
Fair value of hedging instruments | R$ 167.7
Commodity risk portion of cost exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | 95.8
Total cost exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | 93.6
Total fixed asset exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | (8.9)
Total expenses exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | (1.3)
Interest rate risk portion of the cash exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments |
Total cash exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | (13.1)
Interest rate risk portion of the debts exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | 28.2
Total debts exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | 28.2
Stock exchange price risk portion of the equity instrument exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | 69.2
Total equity exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | 69.2
Total risk exposures [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario | 82.7
Sensitivity value level, adverse scenario | 664.2
Sensitivity value level, remote scenario | 1,328.6
Fair value of hedges and transactions, pro forma |
Commodities hedge [member] | Commodity risk portion of cost exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | 95.8
Sensitivity value level, probable scenario | (70.6)
Sensitivity value level, adverse scenario | (392.9)
Sensitivity value level, remote scenario | (881.7)
Commodities hedge [member] | Input purchase affecting the commodity risk portion of cost exposure [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario | 108.7
Sensitivity value level, adverse scenario | 498.8
Sensitivity value level, remote scenario | 1,093.5
Fair value of hedging instrument transactions, pro forma | (95.8)
Foreign currency exchange hedge [member] | Foreign exchange risk portion of cost exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | (2.2)
Sensitivity value level, probable scenario | (105.0)
Sensitivity value level, adverse scenario | (1,843.1)
Sensitivity value level, remote scenario | (3,684.0)
Foreign currency exchange hedge [member] | Input purchase that affects the foreign exchange risk portion of cost exposure [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario | 105.0
Sensitivity value level, adverse scenario | 1,843.1
Sensitivity value level, remote scenario | 3,684.0
Fair value of hedging instrument transactions, pro forma | 2.2
Foreign currency exchange hedge [member] | Foreign currency risk portion of fixed assets exposure [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario | (16.8)
Sensitivity value level, adverse scenario | (153.8)
Sensitivity value level, remote scenario | (298.6)
Fair value of hedging instrument transactions, pro forma | (8.9)
Foreign currency exchange hedge [member] | Capex Purchase affecting the foreign currency exchange risk portion of the fixed assets exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | 8.9
Sensitivity value level, probable scenario | 16.8
Sensitivity value level, adverse scenario | 153.8
Sensitivity value level, remote scenario | 298.6
Foreign currency exchange hedge [member] | Total fixed asset exposure [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario |
Sensitivity value level, adverse scenario |
Sensitivity value level, remote scenario |
Fair value of hedges and transactions, pro forma |
Foreign currency exchange hedge [member] | Foreign currency exchange risk portion of expenses exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | (1.3)
Sensitivity value level, probable scenario | (3.4)
Sensitivity value level, adverse scenario | (45.7)
Sensitivity value level, remote scenario | (90.2)
Foreign currency exchange hedge [member] | Expenses that affect the foreign currency exchange risk portion of expenses exposure [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario | 3.4
Sensitivity value level, adverse scenario | 45.7
Sensitivity value level, remote scenario | 90.2
Fair value of hedging instrument transactions, pro forma | 1.3
Foreign currency exchange hedge [member] | Total expenses exposure [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario |
Sensitivity value level, adverse scenario |
Sensitivity value level, remote scenario |
Fair value of hedges and transactions, pro forma |
Foreign currency exchange hedge [member] | Foreign currency exchange risk portion of cash exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | (13.1)
Sensitivity value level, probable scenario | (37.5)
Sensitivity value level, adverse scenario | (341.4)
Sensitivity value level, remote scenario | (669.8)
Foreign currency exchange hedge [member] | Cash transaction affecting the foreign currency exchange risk portion of cash exposure [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario | 37.5
Sensitivity value level, adverse scenario | 341.4
Sensitivity value level, remote scenario | 669.8
Fair value of hedging instrument transactions, pro forma | 13.1
Foreign currency exchange hedge [member] | Foreign currency exchange portion of debt effects exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments |
Sensitivity value level, probable scenario |
Sensitivity value level, adverse scenario |
Sensitivity value level, remote scenario |
Foreign currency exchange hedge [member] | Cash transaction affecting the foreign currency exchange risk portion of debt exposure [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario | 9.7
Sensitivity value level, adverse scenario | 140.6
Sensitivity value level, remote scenario | 281.3
Fair value of hedging instrument transactions, pro forma |
Commodities and foreign exchange hedges [member] | Total cost exposure [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario | 38.1
Sensitivity value level, adverse scenario | 105.9
Sensitivity value level, remote scenario | 211.8
Fair value of hedges and transactions, pro forma |
Interest hedge [member] | Interest rate risk portion of the cash exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments |
Sensitivity value level, probable scenario | (0.4)
Sensitivity value level, adverse scenario | (2.9)
Sensitivity value level, remote scenario | (3.4)
Interest hedge [member] | Interest revenue transaction affecting the interest rate risk portion of the cash exposure [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario | 0.4
Sensitivity value level, adverse scenario | 2.9
Sensitivity value level, remote scenario | 3.4
Fair value of hedging instrument transactions, pro forma |
Interest hedge [member] | Interest rate risk portion of the debts exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | 28.2
Sensitivity value level, probable scenario | 18.4
Sensitivity value level, adverse scenario | (131.5)
Sensitivity value level, remote scenario | (162.7)
Interest hedge [member] | Interest expenses affecting the interest rate portion of the debts exposure portion [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario | (18.4)
Sensitivity value level, adverse scenario | 131.5
Sensitivity value level, remote scenario | 162.7
Fair value of hedging instrument transactions, pro forma | (28.2)
Interest and foreign currency hedges [member] | Total cash exposure [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario |
Sensitivity value level, adverse scenario |
Sensitivity value level, remote scenario |
Fair value of hedges and transactions, pro forma |
Interest and foreign currency hedges [member] | Total debts exposure [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario | 9.7
Sensitivity value level, adverse scenario | 140.6
Sensitivity value level, remote scenario | 281.3
Fair value of hedges and transactions, pro forma |
Equity instrument hedges [member] | Stock exchange price risk portion of the equity instrument exposure [member] |
Statement Line Items [Line Items] |
Fair value of hedging instruments | 69.2
Sensitivity value level, probable scenario | 54.3
Sensitivity value level, adverse scenario | (100.1)
Sensitivity value level, remote scenario | (269.3)
Equity instrument hedges [member] | Expenses that affect the equity instrument risk portion of equity exposure [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario | (19.4)
Sensitivity value level, adverse scenario | 517.8
Sensitivity value level, remote scenario | 1,104.8
Fair value of hedging instrument transactions, pro forma | (69.2)
Equity instrument hedges [member] | Total equity exposure [member] |
Statement Line Items [Line Items] |
Sensitivity value level, probable scenario | 34.9
Sensitivity value level, adverse scenario | 417.7
Sensitivity value level, remote scenario | 835.5
Fair value of hedges and transactions, pro forma |

X
- Definition The net fair value of financial instruments designated as hedging instruments on a pro forma basis. Hedging instruments are designated derivatives or (for a hedge of the risk of changes in foreign currency exchange rates only) designated non-derivative financial assets or non-derivative financial liabilities whose fair value or cash flows are expected to offset changes in the fair value or cash flows of a designated hedged item. + References No definition available. + Details
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- Definition The fair value of financial instruments designated as hedging instruments. Hedging instruments are designated derivatives or (for a hedge of the risk of changes in foreign currency exchange rates only) designated non-derivative financial assets or non-derivative financial liabilities whose fair value or cash flows are expected to offset changes in the fair value or cash flows of a designated hedged item. [Refer: At fair value [member]; Derivatives [member]; Derivative financial assets; Derivative financial liabilities; Financial instruments, class [member]; Financial assets; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 22 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_22_b&doctype=Standard&book=B -URIDate 2017-03-09 + Details
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