CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Nov. 30, 2012		Nov. 30, 2011		Nov. 30, 2012		Nov. 30, 2011
Software revenues:
New software licenses and cloud software subscriptions	$ 2,389		$ 2,048		$ 3,963		$ 3,546
Software license updates and product support	4,260		3,986		8,400		8,008
Software revenues	6,649		6,034		12,363		11,554
Hardware systems revenues:
Hardware systems products	734		953		1,513		1,981
Hardware systems support	587		625		1,161		1,271
Hardware systems revenues	1,321		1,578		2,674		3,252
Services revenues	1,124		1,180		2,238		2,360
Total revenues	9,094		8,792		17,275		17,166
Operating expenses:
Sales and marketing	1,773	[1]	1,697	[1]	3,319	[1]	3,327	[1]
Software license updates and product support	270	[1]	298	[1]	553	[1]	594	[1]
Hardware systems products	367	[1]	471	[1]	751	[1]	943	[1]
Hardware systems support	227	[1]	258	[1]	451	[1]	541	[1]
Services	930	[1]	929	[1]	1,814	[1]	1,865	[1]
Research and development	1,199		1,102		2,400		2,152
General and administrative	263		277		538		587
Amortization of intangible assets	584		592		1,203		1,184
Acquisition related and other	(121)		5		(380)		25
Restructuring	131		52		276		154
Total operating expenses	5,623		5,681		10,925		11,372
Operating income	3,471		3,111		6,350		5,794
Interest expense	(195)		(192)		(382)		(384)
Non-operating income, net	4		41		14		21
Income before provision for income taxes	3,280		2,960		5,982		5,431
Provision for income taxes	699		768		1,367		1,399
Net income	$ 2,581		$ 2,192		$ 4,615		$ 4,032
Earnings per share:
Basic (in dollars per share)	$ 0.54		$ 0.43		$ 0.96		$ 0.80
Diluted (in dollars per share)	$ 0.53		$ 0.43		$ 0.94		$ 0.78
Weighted average common shares outstanding:
Basic (in shares)	4,792		5,041		4,829		5,052
Diluted (in shares)	4,868		5,123		4,904		5,137
Dividends declared per common share (in dollars per share)	$ 0.06		$ 0.06		$ 0.12		$ 0.12

[1] Exclusive of amortization of intangible assets, which is shown separately.