Segment Information - Reconciliation of Goodwill and Intangible Assets from Segments to Consolidated (Detail) - USD ($) $ in Millions	Dec. 31, 2019	Jun. 30, 2019
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	$ 7,233	$ 7,573
News and Information Services [Member]
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	2,338	2,617
Subscription Video Services [Member]
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	2,552	2,595
Book Publishing [Member]
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	767	772
Digital Real Estate Services [Member]
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	$ 1,576	$ 1,589