Business Combinations - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended				12 Months Ended
	Oct. 13, 2011 Skype Global S.a r.l.	Oct. 13, 2011 Skype Global S.a r.l. Entertainment and Devices Division	Oct. 13, 2011 Skype Global S.a r.l. Microsoft Business Division	Oct. 13, 2011 Skype Global S.a r.l. Online Services Division	Jun. 30, 2012 Other Acquired Entities Entity	Jun. 30, 2011 Other Acquired Entities Entity	Jun. 30, 2010 Other Acquired Entities Entity
Business Acquisition [Line Items]
Name of acquired entity	Skype Global S.á r.l. ("Skype")
Acquisition date	Oct. 13, 2011
Cash paid to acquire the business	$ 8,600				$ 87	$ 75	$ 267
Goodwill acquired	7,100	4,200	2,800	54
Identifiable intangible assets acquired	1,648
Unearned revenue acquired	222
Number of entities acquired					4	3	5
Number of entities sold							3
Business dispositions, total consideration							$ 600