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Net Finance Costs - Summary of Net Finance Costs (Parenthetical) (Detail)	6 Months Ended		12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2019
Disclosure of finance income costs [abstract]
Interest capitalised	4.51%	4.94%	4.96%

X

- Definition

Disclosure of finance income costs.

+ References

No definition available.

+ Details

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X

- Definition

The weighted average of interest and other costs that an entity incurs in connection with the borrowing of funds applicable to the borrowings of the entity that are outstanding during the period, other than borrowings made specifically for the purpose of obtaining a qualifying asset. [Refer: Weighted average [member]; Borrowings]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 23
-IssueDate 2019-01-01
-Paragraph 26
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=23&code=ifrs-tx-2019-en-r&anchor=para_26_b&doctype=Standard
-URIDate 2019-03-27

+ Details

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