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Face (par) amount of debt instrument at time of issuance.

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

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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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.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Borrowings - Additional Information (Detail) $ in Millions	1 Months Ended				12 Months Ended
Borrowings - Additional Information (Detail) $ in Millions	Jun. 30, 2021 AUD ($)	Apr. 30, 2021 USD ($)	Feb. 29, 2020 AUD ($)	Dec. 31, 2019	Jun. 30, 2021 AUD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2021 AUD ($)	Dec. 31, 2020 USD ($) business_day	Jun. 30, 2020 USD ($)	Apr. 30, 2020 AUD ($)	Nov. 30, 2019
Debt Instrument [Line Items]
Total borrowings						$ 2,313,000,000			$ 1,259,000,000
2021 Senior notes
Debt Instrument [Line Items]
Face amount of debt		$ 1,000,000,000
Interest rate		3.875%				3.875%	3.875%
Redemption price percentage		101.00%
Total borrowings						$ 985,000,000			0
2021 Senior notes \| Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Principal redemption available		40.00%
2019 Term loan facility \| Foxtel
Debt Instrument [Line Items]
Interest rate											6.25%
Foxtel \| Fiscal Year 2021
Debt Instrument [Line Items]
Operating income leverage ratio					350.00%
Foxtel \| Fiscal Year 2022
Debt Instrument [Line Items]
Operating income leverage ratio					325.00%
Foxtel \| 2019 Term loan facility
Debt Instrument [Line Items]
Proceeds from long-term lines of credit					$ 250.0
Interest coverage ratio					350.00%
Foxtel \| Telstra facility
Debt Instrument [Line Items]
Telstras ownership percentage of Foxtel			35.00%
Foxtel \| Telstra facility \| Australian BBSY
Debt Instrument [Line Items]
Applicable margin for borrowing			7.75%
Unsecured revolving credit facility available amount			$ 170.0
Minimum \| Australian BBSY
Debt Instrument [Line Items]
Applicable margin for borrowing					2.00%
Minimum \| Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Interest coverage ratio					1.00%
Net leverage ratio						1.00%	1.00%
Minimum \| REA Group \| Australian BBSY
Debt Instrument [Line Items]
Applicable margin for borrowing					0.85%
Maximum \| Australian BBSY
Debt Instrument [Line Items]
Applicable margin for borrowing		3.25%			3.75%
Maximum \| Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Interest coverage ratio					3.00%
Net leverage ratio						3.00%	3.00%
Maximum \| REA Group \| Australian BBSY
Debt Instrument [Line Items]
Applicable margin for borrowing					2.75%
Maximum \| New Foxtel
Debt Instrument [Line Items]
Line of Credit Facility Commitment Fee Percentage Margin					45.00%
News Corp 2019 Credit Agreement \| Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Maximum amount of credit facility								$ 750,000,000
Letters of credit sublimit under credit facility								$ 100,000,000
Number of extension options \| business_day								2
Extension term				1 year
News Corp 2019 Credit Agreement \| Unsecured Revolving Credit Facility \| Revised Line Of Credit Facility
Debt Instrument [Line Items]
Unused capacity commitment fee percentage					0.20%
Maximum amount of credit facility								$ 1,000,000,000
News Corp 2019 Credit Agreement \| Unsecured Revolving Credit Facility \| Base Rate \| Revised Line Of Credit Facility
Debt Instrument [Line Items]
Applicable margin for borrowing					0.375%
News Corp 2019 Credit Agreement \| Unsecured Revolving Credit Facility \| Eurodollar \| Revised Line Of Credit Facility
Debt Instrument [Line Items]
Applicable margin for borrowing					1.375%
Overdraft Facility 2021 \| REA Group
Debt Instrument [Line Items]
Maximum amount of credit facility										$ 20.0
Working capital facility April 2020 \| REA Group
Debt Instrument [Line Items]
Total borrowings										$ 148.5
2017 Working capital facility \| Foxtel
Debt Instrument [Line Items]
Maximum amount of credit facility						$ 40,000,000
2017 Working capital facility \| New Foxtel
Debt Instrument [Line Items]
Interest rate						2.33%	2.33%
Total borrowings						$ 0			0
2021 Bridge Facility \| REA Group
Debt Instrument [Line Items]
Interest rate						0.86%	0.86%
Operating income leverage ratio	350.00%
Interest coverage ratio	300.00%
Maximum amount of credit facility							$ 520.0
Total borrowings						$ 314,000,000			0
2021 Bridge Facility \| Minimum \| REA Group \| Australian BBSY
Debt Instrument [Line Items]
Applicable margin for borrowing					0.80%
2021 Bridge Facility \| Maximum \| REA Group \| Australian BBSY
Debt Instrument [Line Items]
Applicable margin for borrowing					1.40%
2018 Credit facility
Debt Instrument [Line Items]
Repayment of revolving credit facility	$ 70.0
2018 Credit facility \| REA Group
Debt Instrument [Line Items]
Interest rate						0.00%	0.00%
Total borrowings						$ 0			48,000,000
2019 Credit facility \| Foxtel
Debt Instrument [Line Items]
Interest rate						2.33%	2.33%
Maximum amount of credit facility						$ 610,000,000
Total borrowings						$ 232,000,000			371,000,000
2019 Credit facility \| REA Group
Debt Instrument [Line Items]
Interest rate						0.00%	0.00%
Repayment of revolving credit facility	$ 170.0
Total borrowings						$ 0			$ 117,000,000
2019 Credit facility \| Minimum \| REA Group \| Unsecured Revolving Credit Facility \| Australian BBSY
Debt Instrument [Line Items]
Applicable margin for borrowing				0.85%
2019 Credit facility \| Maximum \| REA Group \| Unsecured Revolving Credit Facility \| Australian BBSY
Debt Instrument [Line Items]
Applicable margin for borrowing				2.00%