Significant Reconciling Items (Detail) (USD $) In Millions	12 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2009
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	$ 27,161		$ 24,098		$ 20,363
Reconciling amounts
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	(3,584)		(3,280)		(3,328)
Reconciling amounts | Corporate-level activity
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	(4,619)	[1]	(4,260)	[1]	(4,318)	[1]
Reconciling amounts | Stock-based compensation expense
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	544		556		753
Reconciling amounts | Revenue reconciling amounts
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	632		366		256
Reconciling amounts | Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	$ (141)		$ 58		$ (19)

[1] Corporate-level activity excludes stock-based compensation expense and revenue reconciling amounts presented separately in those line items.