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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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Quarterly Data - Schedule of Quarterly Financial Information (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Schedule Of Quarterly Financial Information [Line Items]
Non-cash impairment charge				$ 96	$ 280	$ 785
News America Marketing and FOX SPORTS Australia [Member]
Schedule Of Quarterly Financial Information [Line Items]
Non-cash impairment charge			$ 225
Foxtel [Member]
Schedule Of Quarterly Financial Information [Line Items]
Investments written-off			$ 957
Foxtel [Member] \| Foxtel and Fox Sports Australia [Member] \| Channel Distribution Agreements [Member]
Schedule Of Quarterly Financial Information [Line Items]
Write-off of intangible assets		$ 317
New Foxtel [Member] \| News America Marketing Reporting [Member]
Schedule Of Quarterly Financial Information [Line Items]
Non-cash impairment charge	$ 87