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5. Risk Management (Details 3) | 12 Months Ended
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Dec. 31, 2017
Banco do Brasil S/A | Fitch |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | AA+(bra)
Banco do Brasil S/A | Moody's |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | Aa1.br
Banco do Brasil S/A | Standard Poor's |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | -
Banco Santander Brasil S/A | Fitch |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | -
Banco Santander Brasil S/A | Moody's |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | Aaa.br
Banco Santander Brasil S/A | Standard Poor's |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | brAA-
Caixa Economica Federal | Fitch |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | AA+(bra)
Caixa Economica Federal | Moody's |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | Aa1.br
Caixa Economica Federal | Standard Poor's |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | brAA-
Banco Bradesco S/A | Fitch |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | AAA(bra)
Banco Bradesco S/A | Moody's |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | Aa1.br
Banco Bradesco S/A | Standard Poor's |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | brAA-
Itau Unibanco Holding S/A | Fitch |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | AAA(bra)
Itau Unibanco Holding S/A | Moody's |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | Aa1.br
Itau Unibanco Holding S/A | Standard Poor's |
SummaryOfRiskManagementLineItems [Line Items] |
Credit rating information of the banks | brAA-

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