Goodwill and Other Intangible Assets - Schedule of Changes in Carrying Value of Goodwill, by Segment (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Goodwill [Line Items]
Goodwill, beginning balance		$ 5,218	$ 3,838
Acquisitions		154	1,699
Impairments	$ (41)	(49)	(218)	$ (48)
Dispositions		(16)
Foreign currency movements		(160)	(101)
Goodwill, Ending Balance		5,147	5,218	3,838
News and Information Services Segment [Member]
Goodwill [Line Items]
Goodwill, beginning balance		1,730	1,884
Acquisitions		29	2
Impairments		(49)	(158)
Dispositions		(16)
Foreign currency movements		(7)	2
Goodwill, Ending Balance		1,687	1,730	1,884
Subscription Video Services [Member]
Goodwill [Line Items]
Goodwill, beginning balance		1,960	500
Acquisitions		0	1,574
Impairments		0	(41)
Dispositions		0
Foreign currency movements		(116)	(73)
Goodwill, Ending Balance		1,844	1,960	500
Book Publishing Segment [Member]
Goodwill [Line Items]
Goodwill, beginning balance		267	271
Acquisitions		0	0
Impairments		0	0
Dispositions		0
Foreign currency movements		(1)	(4)
Goodwill, Ending Balance		266	267	271
Digital Real Estate Services Segment [Member]
Goodwill [Line Items]
Goodwill, beginning balance		1,261	1,183
Acquisitions		125	123
Impairments		0	(19)
Dispositions		0
Foreign currency movements		(36)	(26)
Goodwill, Ending Balance		$ 1,350	$ 1,261	$ 1,183

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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