Segment Information - Reconciliation of Goodwill and Intangible Assets from Segments to Consolidated (Detail) - USD ($) $ in Millions	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Total goodwill and intangible assets, net	$ 7,889	$ 6,119
News and Information Services [Member]
Segment Reporting Information [Line Items]
Total goodwill and intangible assets, net	2,730	2,952
Book Publishing [Member]
Segment Reporting Information [Line Items]
Total goodwill and intangible assets, net	804	835
Digital Real Estate Services [Member]
Segment Reporting Information [Line Items]
Total goodwill and intangible assets, net	1,502	1,420
Subscription Video Services [Member]
Segment Reporting Information [Line Items]
Total goodwill and intangible assets, net	2,853	912
Other [Member]
Segment Reporting Information [Line Items]
Total goodwill and intangible assets, net	$ 0	$ 0