Segment Information - Additional Information (Detail)	12 Months Ended
Jun. 30, 2023 channel country segment brand
Segment Reporting Information [Line Items]
Number of reportable segments \| segment	6
Book Publishing \| Minimum
Segment Reporting Information [Line Items]
Number of countries \| country	17
Number of branded publishing imprints \| brand	120
REA Group \| Digital Real Estate Services
Segment Reporting Information [Line Items]
Company ownership percentage	61.40%
Move Inc \| Digital Real Estate Services
Segment Reporting Information [Line Items]
Company ownership percentage	80.00%
Move Inc \| REA Group \| Digital Real Estate Services
Segment Reporting Information [Line Items]
Ownership interest held by minority interest	20.00%
Foxtel \| Subscription Video Services
Segment Reporting Information [Line Items]
Company ownership percentage	65.00%
Foxtel \| Subscription Video Services \| Minimum
Segment Reporting Information [Line Items]
Number of channels \| channel	200
Foxtel \| Telstra \| Subscription Video Services
Segment Reporting Information [Line Items]
Ownership interest held by minority interest	35.00%

Number Of Branded Publishing Imprints

No definition available.

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- Definition

Number of Channels

+ References

No definition available.

+ Details

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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- Definition

The number of countries in which the entity operates as of balance sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-18

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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