Segment Information - Reconciliation of Assets from Segments to Consolidated (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Jun. 30, 2014
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 15,686	$ 16,489
Investments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	2,382	2,609
News and Information Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	6,799	7,379
Book Publishing [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,987	1,852
Cable Network Programming [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,247	1,427
Digital Real Estate Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,316	438
Digital Education [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	500	481
Other [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 1,455	$ 2,303