Segment Information - Reconciliation of Assets from Segment to Consolidated (Detail) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 16,123	$ 16,489
Investments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	2,497	2,609
News and Information Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	7,112	7,379
Book Publishing [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	2,032	1,852
Cable Network Programming [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,317	1,427
Digital Real Estate Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	399	438
Digital Education [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	522	481
Other [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 2,244	$ 2,303