Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Revenue:
Subscription and maintenance	$ 3,560	$ 3,683	$ 3,764
Professional services	351	379	382
Software fees and other	351	350	358
Total revenue	4,262	4,412	4,504
Expenses:
Costs of licensing and maintenance	297	296	275
Cost of professional services	338	353	354
Amortization of capitalized software costs	273	271	305
Selling and marketing	1,060	1,104	1,225
General and administrative	377	395	405
Product development and enhancements	603	574	483
Depreciation and amortization of other intangible assets	129	144	158
Other expenses (gains), net	23	205	(5)
Total expenses before interest and income taxes	3,100	3,342	3,200
Income from continuing operations before interest and income taxes	1,162	1,070	1,304
Interest expense, net	47	54	44
Income from continuing operations before income taxes	1,115	1,016	1,260
Income tax expense	305	129	339
Income from continuing operations	810	887	921
Income from discontinued operations, net of income taxes	36	27	34
Net income	$ 846	$ 914	$ 955
Basic income per common share:
Income from continuing operations (in dollars per share)	$ 1.83	$ 1.97	$ 2.00
Income from discontinued operations (in dollars per share)	$ 0.08	$ 0.06	$ 0.07
Net income (in dollars per share)	$ 1.91	$ 2.03	$ 2.07
Basic weighted average shares used in computation	439	446	456
Diluted income per common share:
Income from continuing operations (in dollars per share)	$ 1.82	$ 1.96	$ 1.99
Income from discontinued operations (in dollars per share)	$ 0.08	$ 0.06	$ 0.07
Net income (in dollars per share)	$ 1.90	$ 2.02	$ 2.06
Diluted weighted average shares used in computation	441	448	457