Segment Information - Reconciliation of Assets from Segments to Consolidated (Detail) - USD ($) $ in Millions		Dec. 31, 2019	Jun. 30, 2019
Segment Reporting, Asset Reconciling Item [Line Items]
Investments		$ 325	$ 335
Total assets		16,282	15,711
News and Information Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets		5,638	5,482
Subscription Video Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets		4,683	4,406
Book Publishing [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets		2,214	2,074
Digital Real Estate Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets		2,257	2,229
Other [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	[1]	$ 1,165	$ 1,185

[1] The Other segment primarily includes Cash and cash equivalents.