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Ownership interest to be acquired.

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Schedule Of Business Acquisitions And Divestitures [Line Items]

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Percent, after disposal, of ownership interest of a discontinued operation in which an equity method investment is retained.

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Description of the facts and circumstances leading to the completed or expected disposal, and the manner and timing of that disposal.

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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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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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Acquisitions, Disposals and Other Transactions - Additional Information (Detail) £ in Millions, $ in Millions		1 Months Ended	3 Months Ended		9 Months Ended
	May 05, 2020 USD ($)	Jan. 31, 2020 GBP (£)	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)
Schedule Of Business Acquisitions And Divestitures [Line Items]
Non-cash impairment of goodwill and indefinite-lived intangible assets			$ 1,106		$ 1,398
Income (loss) before income tax expense			(1,046)	$ 30	(1,123)	$ 382
News America Marketing [Member]
Schedule Of Business Acquisitions And Divestitures [Line Items]
Cash consideration received	$ 50
Maximum of total cash consideration receivable			235		235
News America Marketing [Member] \| Maximum [Member]
Schedule Of Business Acquisitions And Divestitures [Line Items]
Deferred consideration receivable			185		185
News America Marketing [Member] \| Minimum [Member]
Schedule Of Business Acquisitions And Divestitures [Line Items]
Deferred consideration receivable			125		$ 125
News and Information Services [Member] \| News America Marketing [Member]
Schedule Of Business Acquisitions And Divestitures [Line Items]
Discontinued Operation, Description and Timing of Disposal					Company entered into a definitive agreement for the sale of its News America Marketing business, a reporting unit within its News and Information Services segment (the “Transaction”), which was completed on May 5, 2020.
Non-cash impairment of goodwill and indefinite-lived intangible assets			175		$ 175
Income (loss) before income tax expense			$ (154)	$ 29	$ (404)	$ 46
News and Information Services [Member] \| News America Marketing [Member] \| Common Stock [Member]
Schedule Of Business Acquisitions And Divestitures [Line Items]
Ownership interest acquired at closing					5.00%
News and Information Services [Member] \| News America Marketing [Member] \| Warrant [Member]
Schedule Of Business Acquisitions And Divestitures [Line Items]
Ownership interest to be acquired					10.00%
Unruly [Member]
Schedule Of Business Acquisitions And Divestitures [Line Items]
Ownership Percentage Acquired On Transfer		7.00%
Lockup On tremor shares		18 months
Unruly [Member] \| Guarantee of Business Revenue [Member]
Schedule Of Business Acquisitions And Divestitures [Line Items]
Minimum Guarantee Revenue \| £		£ 30