Borrowings - Schedule of Borrowings (Detail) $ in Millions, $ in Millions		9 Months Ended
		Mar. 31, 2021 USD ($)	Mar. 31, 2021 AUD ($)	Jun. 30, 2020 USD ($)
Debt and Financial Instruments [Line Items]
Finance lease and other liabilities		$ 108		$ 118
Total borrowings	[1]	1,212		1,259
Less: current portion	[2]	(212)		(76)
Long-term borrowings		1,000		1,183
Finance lease liabilities, current		$ 29
Credit facility 2019 | Australian BBSY | Minimum | Foxtel
Debt and Financial Instruments [Line Items]
Interest rate margin		2.00%
Credit facility 2019 | Australian BBSY | Maximum | Foxtel
Debt and Financial Instruments [Line Items]
Interest rate margin		3.75%
Credit facility 2019 | Foxtel
Debt and Financial Instruments [Line Items]
Total borrowings	[3],[4]	$ 248		371
Interest rate	[3],[4]	2.83%	2.83%
Credit facility 2019 | REA Group
Debt and Financial Instruments [Line Items]
Total borrowings	[5]	$ 130		117
Interest rate	[5]	0.91%	0.91%
Credit facility 2019 | REA Group | Australian BBSY | Minimum | Unsecured Revolving Credit Facility
Debt and Financial Instruments [Line Items]
Interest rate margin		0.85%
Credit facility 2019 | REA Group | Australian BBSY | Maximum | Unsecured Revolving Credit Facility
Debt and Financial Instruments [Line Items]
Interest rate margin		2.00%
Term loan facility 2019 | Foxtel
Debt and Financial Instruments [Line Items]
Total borrowings	[6]	$ 191		171
Interest rate	[6]	6.25%	6.25%
Working Capital Facility 2017 | Foxtel
Debt and Financial Instruments [Line Items]
Debt instrument unused borrowing capacity percentage fee		45.00%
Debt instrument unused borrowing capacity			$ 313
Working Capital Facility 2017 | Foxtel
Debt and Financial Instruments [Line Items]
Total borrowings	[3],[4]	$ 0		0
Interest rate	[3],[4]	2.83%	2.83%
Telstra Facility | Foxtel
Debt and Financial Instruments [Line Items]
Total borrowings	[7]	$ 50		11
Interest rate	[7]	7.81%	7.81%
Telstra Facility | Foxtel | Australian BBSY
Debt and Financial Instruments [Line Items]
Interest rate margin		7.75%
US Private Placement 2012 - USD Portion -Tranche 2 | Foxtel
Debt and Financial Instruments [Line Items]
Total borrowings	[8]	$ 201		200
Interest rate	[8]	4.27%	4.27%
US Private Placement 2012 - USD Portion -Tranche 3 | Foxtel
Debt and Financial Instruments [Line Items]
Total borrowings	[8]	$ 151		150
Interest rate	[8]	4.42%	4.42%
US Private Placement 2012 - AUD Portion | Foxtel
Debt and Financial Instruments [Line Items]
Total borrowings		$ 80		73
Interest rate		7.04%	7.04%
Credit Facility 2018 | REA Group
Debt and Financial Instruments [Line Items]
Total borrowings	[9]	$ 53		48
Interest rate	[9]	0.91%	0.91%
Credit Facility 2018 | REA Group | Australian BBSY | Minimum
Debt and Financial Instruments [Line Items]
Interest rate margin		0.85%
Credit Facility 2018 | REA Group | Australian BBSY | Maximum
Debt and Financial Instruments [Line Items]
Interest rate margin		2.75%
Credit Facility 2020 | REA Group
Debt and Financial Instruments [Line Items]
Total borrowings	[10]	$ 0		$ 0
Interest rate	[10]	2.06%	2.06%
Credit Facility 2020 | REA Group | Australian BBSY | Minimum
Debt and Financial Instruments [Line Items]
Interest rate margin		2.00%
Credit Facility 2020 | REA Group | Australian BBSY | Maximum
Debt and Financial Instruments [Line Items]
Interest rate margin		2.75%

[1] The Company’s outstanding borrowings as of March 31, 2021 were incurred by certain subsidiaries of NXE Australia Pty Limited (“Foxtel” and, together with such subsidiaries, the “Foxtel Debt Group”) and by REA Group and certain of its subsidiaries. Foxtel and REA Group are consolidated but non wholly-owned subsidiaries of News Corp. These borrowings are only guaranteed by Foxtel and REA Group and certain of their respective subsidiaries, as applicable, and are non-recourse to News Corp.

[2] 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.” $29 million relates to the current portion of finance lease liabilities.

[3] As of March 31, 2021, the Foxtel Debt Group had undrawn commitments of A$313 million under these facilities for which it pays a commitment fee of 45% of the applicable margin.

[4] Borrowings under these facilities bear interest at a floating rate of the Australian BBSY plus an applicable margin of between 2.00% and 3.75% per annum depending on the Foxtel Debt Group’s (defined below) net leverage ratio.

[5] Borrowings under this facility bear interest at a floating rate of the Australian BBSY plus a margin of between 0.85% and 2.00% depending on REA Group’s net leverage ratio.

[6] Borrowings under this facility bear interest at a fixed rate of 6.25% per annum.

[7] Borrowings under this facility bear interest at a variable rate of Australian BBSY plus a margin of 7.75%. The Company excludes borrowings under this facility from the Statements of Cash Flows as they are non-cash.

[8] The carrying values 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.

[9] Borrowings under this facility bear interest at a floating rate of the Australian BBSY plus a margin of between 0.85% and 2.75% depending on REA Group’s net leverage ratio.

[10] Borrowings under this facility bear interest at a floating rate of the Australian BBSY plus a margin of 2.00% or 2.75% depending on REA Group’s net leverage ratio.