Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Revenue:
Subscription and maintenance revenue	$ 3,858	$ 4,021	$ 3,822
Professional services	382	382	327
Software fees and other	403	411	280
Total revenue	4,643	4,814	4,429
Expenses:
Costs of licensing and maintenance	284	286	278
Cost of professional services	354	357	303
Amortization of capitalized software costs, including impairment of $55 for fiscal year 2013	319	225	192
Selling and marketing	1,276	1,394	1,286
General and administrative	405	462	451
Product development and enhancements	490	510	471
Depreciation and amortization of other intangible assets	158	176	187
Other (gains) expenses, net	(5)	15	7
Total expenses before interest and income taxes	3,281	3,425	3,175
Income from continuing operations before interest and income taxes	1,362	1,389	1,254
Interest expense, net	44	35	45
Income from continuing operations before income taxes	1,318	1,354	1,209
Income tax expense	363	416	386
Income from continuing operations	955	938	823
Income from discontinued operations, net of income taxes	0	13	4
Net income	$ 955	$ 951	$ 827
Basic income per common share
Income from continuing operations	$ 2.07	$ 1.91	$ 1.60
Income from discontinued operations	$ 0.00	$ 0.03	$ 0.01
Net income	$ 2.07	$ 1.94	$ 1.61
Basic weighted average shares used in computation	456	486	506
Diluted income per common share
Income from continuing operations	$ 2.07	$ 1.90	$ 1.60
Income from discontinued operations	$ 0.00	$ 0.03	$ 0.01
Net income	$ 2.07	$ 1.93	$ 1.61
Diluted weighted average shares used in computation	457	487	507