Segment Information - Reconciliation of Assets from Segments to Consolidated (Detail) - USD ($) $ in Millions		Jun. 30, 2019	Jun. 30, 2018
Segment Reporting, Asset Reconciling Item [Line Items]
Investments		$ 335	$ 393
Total assets		15,711	16,346
News and Information Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets		5,482	6,039
Subscription Video Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets		4,406	4,738
Book Publishing [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets		2,074	1,898
Digital Real Estate Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets		2,229	2,171
Other [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	[1]	$ 1,185	$ 1,107

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