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Note 20 - Cash and Cash Equivalents - Components of Cash and Cash Equivalents (Details) - BRL (R$)
R$ in Millions

Dec. 31, 2017

Dec. 31, 2016

Dec. 31, 2015

Dec. 31, 2014

Statement Line Items [Line Items]

Short term bank deposits (i)

^[1]

R$ 4,688.5

R$ 4,027.6

Current bank accounts

5,077.1

3,467.3

Cash

588.9

381.9

Cash and cash equivalents

10,354.5

7,876.8

Bank overdrafts

(1.8)

Cash and cash equivalents less bank overdraft

^[2]

R$ 10,352.7

R$ 7,876.8

R$ 13,617.7

R$ 9,623.0

[1]	The balance refers mostly to Bank Deposit Certificates - CDB, high liquidity, which are readily convertible into known amounts of cash and which are subject to an insignificant risk of change in value.
[2]	Net of bank overdrafts.

X

- Definition

The amount, after bank overdrafts, of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value.

+ References

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- References

No definition available.

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X

- Definition

The amount of cash balances held at banks.

+ References

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- Definition

The amount that has been withdrawn from an account in excess of existing cash balances. This is considered a short-term extension of credit by the bank. [Refer: Cash and cash equivalents]

+ References

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- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The amount of cash held by the entity. This does not include demand deposits.

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A classification of cash equivalents representing short-term deposits. [Refer: Cash equivalents]

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