Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Revenue:
Subscription and maintenance	$ 3,326	$ 3,279	$ 3,317
Professional services	311	301	326
Software fees and other	598	456	382
Total revenue	4,235	4,036	4,025
Expenses:
Costs of licensing and maintenance	302	273	283
Cost of professional services	298	300	300
Amortization of capitalized software costs	271	243	256
Selling and marketing	1,061	1,028	1,006
General and administrative	406	375	367
Product development and enhancements	642	586	560
Depreciation and amortization of other intangible assets	107	77	106
Other expenses, net	29	19	12
Total expenses before interest and income taxes	3,116	2,901	2,890
Income from continuing operations before interest and income taxes	1,119	1,135	1,135
Interest expense, net	98	62	51
Income from continuing operations before income taxes	1,021	1,073	1,084
Income tax expense	545	298	315
Income from continuing operations	476	775	769
Income from discontinued operations, net of income taxes	0	0	14
Net income	$ 476	$ 775	$ 783
Basic income per common share:
Income from continuing operations (in dollars per share)	$ 1.14	$ 1.85	$ 1.79
Income from discontinued operations (in dollars per share)	0.00	0.00	0.03
Net income (in dollars per share)	$ 1.14	$ 1.85	$ 1.82
Basic weighted average shares used in computation	414	414	426
Diluted income per common share:
Income from continuing operations (in dollars per share)	$ 1.13	$ 1.85	$ 1.78
Income from discontinued operations (in dollars per share)	0.00	0.00	0.03
Net income (in dollars per share)	$ 1.13	$ 1.85	$ 1.81
Diluted weighted average shares used in computation	415	415	427