Equity - dividends - Additional Information (Detail) - AUD ($)	12 Months Ended
Jun. 30, 2018	Jun. 30, 2017
Statement of changes in equity [abstract]
Dividends paid	$ 0	$ 0
Franking credits available	$ 0

The amount of dividends recognised as distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 107
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_107&doctype=Standard
-URIDate 2017-03-09

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