COMMITMENTS AND CONTINGENT LIABILITIES (Details 1) (BRL) In Millions	12 Months Ended
Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Loss Contingencies [Line Items]
Changes in the period reflected in income	2,907	2,535	2,440
Tax Payable and Challenged In Court [Member]
Loss Contingencies [Line Items]
Opening balance (Note 18)	6,337	6,155
Balance arising from business combinations	0	3,003
Reclassification	0	(111)
Changes in the period reflected in income	693	2,100
Interest and monetary correction	308	849
Increase	769	2,182
Reversal	(384)	(931)
Payments	(1,936)	(4,810)
Closing balance (Note 18)	5,094	6,337
Escrow deposits (Note 14)	3,708	4,127

Aggregate amount of changes in commitments and contingencies reflected in income attributable to increase during the period.

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Aggregate amount of changes in commitments and contingencies reflected in income attributable to interest and monetary correction.

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Aggregate amount of changes in commitments and contingencies reflected in income attributable to reversal during the period.

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Reclassification of provision for contingent liabilities.

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The net amount, measured at acquisition-date fair value, of all the assets acquired and liabilities assumed that arise from contingencies and were recognized by the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The carrying amount as of the balance sheet date of the combined total of loss contingency liabilities.

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The payments made in the period which reduced loss contingency liabilities.

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The increase (decrease) in the period in loss contingency liabilities.

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