CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Nov. 30, 2011		Nov. 30, 2010		Nov. 30, 2011		Nov. 30, 2010
Software revenues:
New software licenses	$ 2,048		$ 1,999		$ 3,546		$ 3,284
Software license updates and product support	3,986		3,645		8,008		7,096
Software revenues	6,034		5,644		11,554		10,380
Hardware systems revenues:
Hardware systems products	953		1,112		1,981		2,190
Hardware systems support	625		641		1,271		1,261
Hardware systems revenues	1,578		1,753		3,252		3,451
Services	1,180		1,185		2,360		2,253
Total revenues	8,792		8,582		17,166		16,084
Operating expenses:
Sales and marketing	1,697	[1]	1,530	[1]	3,327	[1]	2,864	[1]
Software license updates and product support	298	[1]	307	[1]	594	[1]	615	[1]
Hardware systems products	471	[1]	525	[1]	943	[1]	1,082	[1]
Hardware systems support	258	[1]	356	[1]	541	[1]	656	[1]
Services	929	[1]	969	[1]	1,865	[1]	1,865	[1]
Research and development	1,102		1,119		2,152		2,222
General and administrative	277		156		587		428
Amortization of intangible assets	592		614		1,184		1,217
Acquisition related and other	5		47		25		130
Restructuring	52		189		154		318
Total operating expenses	5,681		5,812		11,372		11,397
Operating income	3,111		2,770		5,794		4,687
Interest expense	(192)		(214)		(384)		(410)
Non-operating income, net	41		90		21		165
Income before provision for income taxes	2,960		2,646		5,431		4,442
Provision for income taxes	768		776		1,399		1,219
Net income	$ 2,192		$ 1,870		$ 4,032		$ 3,223
Earnings per share:
Basic	$ 0.43		$ 0.37		$ 0.80		$ 0.64
Diluted	$ 0.43		$ 0.37		$ 0.78		$ 0.63
Weighted average common shares outstanding:
Basic	5,041		5,044		5,052		5,035
Diluted	5,123		5,117		5,137		5,100
Dividends declared per common share	$ 0.06		$ 0.05		$ 0.12		$ 0.10

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