XML 263 R224.htm IDEA: XBRL DOCUMENT v3.8.0.1

Transactions with related parties (Details 3) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Shortterm Benefits For Management [Abstract]
Salaries	R$ 456,262	R$ 441,592	R$ 309,864
Total	R$ 456,262	R$ 441,592	R$ 309,864

X

- Definition

Short-term benefits for management

+ References

No definition available.

+ Details

Name:	bbd_ShorttermBenefitsForManagementAbstract
Namespace Prefix:	bbd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Short-term benefits for management - Salaries

+ References

No definition available.

+ Details

Name:	bbd_ShorttermBenefitsForManagementSalaries
Namespace Prefix:	bbd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2017-01-01
-Paragraph 17
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2017-03-01&anchor=para_17_a&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration