CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Feb. 28, 2013		Feb. 29, 2012		Feb. 28, 2013		Feb. 29, 2012
Software revenues:
New software licenses and cloud software subscriptions	$ 2,332		$ 2,374		$ 6,295		$ 5,921
Software license updates and product support	4,340		4,051		12,740		12,058
Software revenues	6,672		6,425		19,035		17,979
Hardware systems revenues:
Hardware systems products	671		869		2,185		2,851
Hardware systems support	570		604		1,730		1,874
Hardware systems revenues	1,241		1,473		3,915		4,725
Services revenues	1,045		1,141		3,283		3,501
Total revenues	8,958		9,039		26,233		26,205
Operating expenses:
Sales and marketing	1,802	[1]	1,700	[1]	5,120	[1]	5,027	[1]
Software license updates and product support	306	[1]	305	[1]	860	[1]	899	[1]
Hardware systems products	337	[1]	424	[1]	1,087	[1]	1,367	[1]
Hardware systems support	219	[1]	257	[1]	670	[1]	798	[1]
Services	854	[1]	922	[1]	2,668	[1]	2,788	[1]
Research and development	1,186		1,145		3,586		3,297
General and administrative	260		261		798		848
Amortization of intangible assets	586		606		1,789		1,790
Acquisition related and other	32		38		(347)		63
Restructuring	42		64		318		217
Total operating expenses	5,624		5,722		16,549		17,094
Operating income	3,334		3,317		9,684		9,111
Interest expense	(205)		(190)		(588)		(574)
Non-operating (expense) income, net	(39)		21		(24)		42
Income before provision for income taxes	3,090		3,148		9,072		8,579
Provision for income taxes	586		650		1,953		2,050
Net income	$ 2,504		$ 2,498		$ 7,119		$ 6,529
Earnings per share:
Basic (in dollars per share)	$ 0.53		$ 0.50		$ 1.48		$ 1.30
Diluted (in dollars per share)	$ 0.52		$ 0.49		$ 1.46		$ 1.28
Weighted average common shares outstanding:
Basic (in shares)	4,735		5,007		4,798		5,037
Diluted (in shares)	4,812		5,080		4,873		5,118
Dividends declared per common share (in dollars per share)	$ 0.18		$ 0.06		$ 0.30		$ 0.18

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