Segment Information - Reconciliation of Assets from Segment to Consolidated (Detail) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 16,343	$ 15,643
Goodwill and intangible assets, net	4,913	4,911
News and Information Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	7,670	7,552
Goodwill and intangible assets, net	2,662	2,657
Cable Network Programming [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	1,392	1,414
Goodwill and intangible assets, net	1,186	1,170
Digital Real Estate Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	402	393
Goodwill and intangible assets, net	79	77
Book Publishing [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	1,355	1,355
Goodwill and intangible assets, net	599	605
Other [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	2,953	2,430
Goodwill and intangible assets, net	387	402
Investments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 2,571	$ 2,499