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Fair value inputs discount rates.

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Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

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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, 2021	Jun. 30, 2020	Jun. 30, 2019
Intangible Assets And Goodwill [Line Items]
Impairment charges			$ 0	$ 1,690	$ 96
Amortization expense of amortizable intangible assets			112	108	126
Finite lived intangible assets, Estimated amortization expense in 2022			130
Finite lived intangible assets, Estimated amortization expense in 2023			124
Finite lived intangible assets, Estimated amortization expense in 2024			118
Finite lived intangible assets, Estimated amortization expense in 2025			115
Finite lived intangible assets, Estimated amortization expense in 2026			113
Non-cash impairment of goodwill and indefinite-lived intangible assets			0	89	$ 87
Non-cash impairment of goodwill			$ 0	$ 1,098
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]
Non-cash impairment of goodwill and indefinite-lived intangible assets	$ 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%	9.00%	9.00%
Long-term growth rates			0.00%	0.00%	0.00%
Control premium			5.00%	5.00%	5.00%
Royalty rates			0.25%	0.25%	0.50%
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			22.00%	22.50%	25.00%
Long-term growth rates			3.00%	3.00%	3.00%
Control premium			10.00%	10.00%	10.00%
Royalty rates			6.00%	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
Non-cash impairment of goodwill			$ 0	216
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	$ 47