Segment Information - Reconciliation of Assets from Segments to Consolidated (Detail) - USD ($) $ in Millions	Mar. 31, 2020	Jun. 30, 2019
Segment Reporting, Asset Reconciling Item [Line Items]
Investments	$ 325	$ 335
Total assets	14,428	15,711
News and Information Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	5,288	5,482
Subscription Video Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	3,319	4,406
Book Publishing [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	2,165	2,074
Digital Real Estate Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	2,166	2,229
Other [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 1,165	$ 1,185