Significant Reconciling Items (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2012		Sep. 30, 2011
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	$ 5,308		$ 7,203
Reconciling amounts
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	(2,733)		(1,144)
Reconciling amounts | Corporate-level activity
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	(1,387)	[1]	(1,175)	[1]
Reconciling amounts | Revenue reconciling amounts
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	(1,349)	[2]	28	[2]
Reconciling amounts | Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	$ 3		$ 3

[1] Corporate-level activity excludes revenue reconciling amounts presented separately in that line item.

[2] Revenue reconciling amounts for the three months ended September 30, 2012 includes $1.2 billion related to the Windows Deferral and $189 million primarily related to the Office Deferral.