Borrowings - Schedule of Borrowings (Detail) - USD ($) $ in Millions		3 Months Ended
		Sep. 30, 2019	Jun. 30, 2019
Debt and Financial Instruments [Line Items]
Total borrowings		$ 1,329	$ 1,453
Less: current portion	[1]	(622)	(449)
Long-term borrowings		707	1,004
Credit Facility 2014 Tranche 2 [Member] | New Foxtel [Member]
Debt and Financial Instruments [Line Items]
Total borrowings	[2]	$ 135	56
Interest rate	[2]	2.92%
Due date	[2]	Jan. 31, 2020
Credit Facility 2015 [Member] | New Foxtel [Member]
Debt and Financial Instruments [Line Items]
Total borrowings	[2]	$ 271	281
Interest rate	[2]	3.12%
Due date	[2]	Jul. 31, 2020
Credit Facility 2016 [Member] | New Foxtel [Member]
Debt and Financial Instruments [Line Items]
Total borrowings	[2],[3]	$ 237	193
Interest rate	[2],[3]	3.60%
Due date	[2],[3]	Sep. 11, 2021
Working Capital Facility 2017 [Member] | New Foxtel [Member]
Debt and Financial Instruments [Line Items]
Total borrowings	[2],[3]	$ 54	56
Interest rate	[2],[3]	3.27%
Due date	[2],[3]	Jul. 03, 2020
US Private Placement 2009 Tranche 3 [Member] | New Foxtel [Member]
Debt and Financial Instruments [Line Items]
Total borrowings	[4]		75
Due date	[4]	Sep. 24, 2019
US Private Placement 2012 USD Portion Tranche 1 [Member] | New Foxtel [Member]
Debt and Financial Instruments [Line Items]
Total borrowings	[4]		150
Due date	[4]	Jul. 25, 2019
US Private Placement 2012 USD Portion Tranche 2 [Member] | New Foxtel [Member]
Debt and Financial Instruments [Line Items]
Total borrowings	[5]	$ 200	199
Interest rate	[5]	4.27%
Due date	[5]	Jul. 25, 2022
US Private Placement 2012 USD Portion Tranche 3 [Member] | New Foxtel [Member]
Debt and Financial Instruments [Line Items]
Total borrowings	[5]	$ 150	149
Interest rate	[5]	4.42%
Due date	[5]	Jul. 25, 2024
US Private Placement 2012 AUD Portion [Member] | New Foxtel [Member]
Debt and Financial Instruments [Line Items]
Total borrowings		$ 73	77
Interest rate		7.04%
Due date		Jul. 25, 2022
Credit Facility Fiscal 2016 Tranche 3 [Member] | REA Group Inc [Member]
Debt and Financial Instruments [Line Items]
Total borrowings	[6]	$ 162	168
Interest rate	[6]	2.30%
Due date	[6]	Dec. 31, 2019
Credit Facility Fiscal 2018 [Member] | REA Group Inc [Member]
Debt and Financial Instruments [Line Items]
Total borrowings	[6]	$ 47	$ 49
Interest rate	[6]	2.06%
Due date	[6]	Apr. 27, 2021

[1] The Company classifies the current portion of long term debt as non-current liabilities on the Balance Sheets when it has the intent and ability to refinance the obligation on a long-term basis, in accordance with ASC 470-50 “Debt.”

[2] Borrowings under these facilities bear interest at a floating rate of Australian BBSY plus an applicable margin of between 1.20% and 2.70% per annum payable quarterly.

[3] As of September 30, 2019, the Foxtel Debt Group has undrawn commitments of $41 million under these facilities for which it pays a commitment fee of 45% of the applicable margin.

[4] During the three months ended September 30, 2019, certain subsidiaries of Foxtel (together with Foxtel, the “Foxtel Debt Group”) repaid $150 million aggregate principal amount of senior unsecured notes maturing in July 2019 and $75 million aggregate principal amount of senior unsecured notes maturing in September 2019.

[5] The carrying value of the borrowings include any fair value adjustments related to the Company’s fair value hedges. See Note 8—Financial Instruments and Fair Value Measurements.

[6] Borrowings under these facilities bear interest at a floating rate of the Australian BBSY plus a margin of between 0.85% and 1.45% depending on REA Group’s net leverage ratio. As of September 30, 2019, REA Group was paying a margin of between 0.85% and 1.05%.