Debt and Financial Instruments [Line Items]

No definition available.

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- Definition

Debt instrument unused borrowing capacity fee percentage.

+ References

No definition available.

+ Details

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- Definition

Subordinated shareholder loan facility maximum borrowing capacity.

+ References

No definition available.

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Balance Type:	credit
Period Type:	instant

- Definition

Term loan maximum borrowing capacity.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Working Capital Facility

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Period Type:	instant

- Definition

The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 15
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

+ Details

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Borrowings - Schedule of Borrowings (Parenthetical) (Detail) - AUD ($) $ in Millions	1 Months Ended			9 Months Ended
	Feb. 29, 2020	Dec. 31, 2019	Nov. 30, 2019	Mar. 31, 2020
Foxtel [Member] \| Credit Facility Fiscal 2019 (Member)
Debt and Financial Instruments [Line Items]
Line of credit maximum borrowing capacity			$ 610
Line of credit facility maturity date			Nov. 30, 2022
Foxtel [Member] \| Share Holders Loan [Member]
Debt and Financial Instruments [Line Items]
Proceeds from shareholder loans			$ 200
Foxtel [Member] \| Term Loan Facility 2019 [Member]
Debt and Financial Instruments [Line Items]
Term loan maximum borrowing capacity			$ 250
Debt Instrument, Maturity Date			Nov. 30, 2024
Debt instrument fixed interest rate			6.25%
US Private Placement 2012 USD Portion Tranche 1 [Member] \| Foxtel [Member]
Debt and Financial Instruments [Line Items]
Debt paid				$ 75
Debt Instrument, Maturity Date				Sep. 30, 2019
US Private Placement 2009 Tranche 3 [Member] \| Foxtel [Member]
Debt and Financial Instruments [Line Items]
Debt paid				$ 150
Debt Instrument, Maturity Date				Jul. 31, 2019
Facility Due December 2019 [Member] \| Minimum [Member] \| Australian BBSY [Member]
Debt and Financial Instruments [Line Items]
Interest rate margin		0.85%
Facility Due December 2019 [Member] \| Maximum [Member] \| Australian BBSY [Member]
Debt and Financial Instruments [Line Items]
Interest rate margin		1.40%
Facility Due December 2019 [Member] \| REA Group [Member]
Debt and Financial Instruments [Line Items]
Line of credit maximum borrowing capacity		$ 480
Repayments of lines of credit		240
Facility Due December 2019 [Member] \| REA Group [Member] \| Unsecured Revolving Credit Facility [Member]
Debt and Financial Instruments [Line Items]
Line of credit maximum borrowing capacity		$ 170
Line of credit facility maturity date		Dec. 31, 2021
Credit facility 2019 [Member] \| REA Group [Member] \| Minimum [Member] \| Australian BBSY [Member]
Debt and Financial Instruments [Line Items]
Interest rate margin		0.85%
Credit facility 2019 [Member] \| REA Group [Member] \| Maximum [Member] \| Australian BBSY [Member]
Debt and Financial Instruments [Line Items]
Interest rate margin		1.40%
Credit Facility Fiscal 2019 (Member) \| Foxtel [Member] \| Minimum [Member] \| Australian BBSY [Member]
Debt and Financial Instruments [Line Items]
Interest rate margin				2.00%
Credit Facility Fiscal 2019 (Member) \| Foxtel [Member] \| Maximum [Member] \| Australian BBSY [Member]
Debt and Financial Instruments [Line Items]
Interest rate margin				3.75%
Working capital facility 2017 Amended [Member] \| Foxtel [Member]
Debt and Financial Instruments [Line Items]
Line of credit maximum borrowing capacity			$ 100
Debt instrument unused borrowing capacity percentage fee				45.00%
Working capital facility			$ 40
Debt instrument term			3 years
Working capital facility 2017 Amended [Member] \| Foxtel [Member] \| Unsecured Revolving Credit Facility [Member]
Debt and Financial Instruments [Line Items]
Debt instrument unused borrowing capacity				$ 2
Telstra Facility [Member]
Debt and Financial Instruments [Line Items]
Interest rate margin	7.75%
Subordinated shareholders loan facility maximum capacity	$ 170