Segment Information - Reconciliation of Assets from Segments to Consolidated (Detail) - USD ($) $ in Millions	Jun. 30, 2015	Jun. 30, 2014
Segment Reporting, Asset Reconciling Item [Line Items]
Investments	$ 2,379	$ 2,609
Total assets	15,093	16,489
News and Information Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	6,749	7,379
Book Publishing [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	2,022	1,852
Digital Real Estate Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,278	438
Cable Network Programming [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,163	1,427
Digital Education [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	151	481
Other [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 1,351	$ 2,303