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Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Intangible Assets And Goodwill [Line Items]
Impairment charges			$ 15	$ 0	$ 1,690
Amortization expense of amortizable intangible assets			140	112	108
Finite lived intangible assets, Estimated amortization expense in 2023			163
Finite lived intangible assets, Estimated amortization expense in 2024			154
Finite lived intangible assets, Estimated amortization expense in 2025			151
Finite lived intangible assets, Estimated amortization expense in 2026			148
Finite lived intangible assets, Estimated amortization expense in 2027			142
Non-cash impairment of goodwill and indefinite-lived intangible assets			$ 0	$ 0	$ 89
News America Marketing
Intangible Assets And Goodwill [Line Items]
Non-cash impairment of goodwill		$ 122
Non-cash impairment charge for indefinite-lived intangible assets		$ 113
Foxtel
Intangible Assets And Goodwill [Line Items]
Accumulated impairment loss, goodwill	$ 931
Long-term growth rates	2.00%
Non-cash impairment of goodwill	$ 882
Non-cash impairment charge for indefinite-lived intangible assets	$ 49
Royalty rates	1.50%
EBITDA multiple rates	10.00%
Minimum \| Other Than Impaired Reporting Units
Intangible Assets And Goodwill [Line Items]
Discount rates			8.00%	8.00%	9.00%
Long-term growth rates			1.00%	0.00%	0.00%
Control premium			5.00%	5.00%	5.00%
Royalty rates			0.25%	0.25%	0.25%
Minimum \| Foxtel
Intangible Assets And Goodwill [Line Items]
Discount rates	10.50%
Maximum \| Other Than Impaired Reporting Units
Intangible Assets And Goodwill [Line Items]
Discount rates			19.00%	22.00%	22.50%
Long-term growth rates			3.00%	3.00%	3.00%
Control premium			10.00%	10.00%	10.00%
Royalty rates			7.00%	6.00%	6.00%
Maximum \| Foxtel
Intangible Assets And Goodwill [Line Items]
Discount rates	11.50%
News Media
Intangible Assets And Goodwill [Line Items]
Accumulated impairment loss, goodwill			$ 4,800	$ 4,800
News Media \| News America Marketing
Intangible Assets And Goodwill [Line Items]
Non-cash impairment of goodwill and indefinite-lived intangible assets	$ 175				$ 235
Non-cash impairment of goodwill					122
Non-cash impairment charge for indefinite-lived intangible assets					$ 113
News Media \| Minimum \| News America Marketing
Intangible Assets And Goodwill [Line Items]
Discount rates					17.00%
Long-term growth rates					0.60%
News Media \| Maximum \| News America Marketing
Intangible Assets And Goodwill [Line Items]
Discount rates					18.50%
Long-term growth rates					1.50%
Intangible Assets and Goodwill
Intangible Assets And Goodwill [Line Items]
Impairment charges					$ 194