Segment Information - Reconciliation of Assets from Segments to Consolidated (Detail) - USD ($) $ in Millions	Sep. 30, 2015	Jun. 30, 2015
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 14,756	$ 15,035
Investments	2,196	2,379
News and Information Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	6,686	6,749
Book Publishing [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	2,033	2,022
Digital Real Estate Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,253	1,278
Cable Network Programming [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,051	1,163
Other [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,532	1,352
Assets held for sale [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 5	$ 92