Finite-Lived Intangible Assets (Parenthetical) (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Jun. 30, 2015
Finite-Lived Intangible Assets [Line Items]
Net Carrying Amount	$ 4,619	$ 4,835
Software to be sold, leased, or otherwise marketed
Finite-Lived Intangible Assets [Line Items]
Net Carrying Amount	$ 147	$ 116

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

Name:	us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant