Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating activities from continuing operations:
Net income	$ 618	$ 609
Income from discontinued operations	0	(11)
Income from continuing operations	618	598
Adjustments to reconcile income from continuing operations to net cash provided by operating activities:
Depreciation and amortization	238	275
Deferred income taxes	(20)	(53)
Provision for bad debts	3	0
Share-based compensation expense	80	70
Other non-cash items	4	1
Foreign currency transaction (gains) losses	(5)	5
Changes in other operating assets and liabilities, net of effect of acquisitions:
Decrease in trade accounts receivable	57	50
Decrease in deferred revenue	(332)	(353)
(Decrease) increase in taxes payable, net	(25)	53
Increase (decrease) in accounts payable, accrued expenses and other	13	(50)
Decrease in accrued salaries, wages and commissions	(12)	(43)
Changes in other operating assets and liabilities	1	10
Net cash provided by operating activities - continuing operations	620	563
Investing activities from continuing operations:
Acquisitions of businesses, net of cash acquired, and purchased software	(48)	(648)
Purchases of property and equipment	(30)	(34)
Proceeds from sale of short-term investments	0	48
Other investing activities	(1)	0
Net cash used in investing activities - continuing operations	(79)	(634)
Financing activities from continuing operations:
Dividends paid	(321)	(325)
Purchases of common stock	(100)	(705)
Notional pooling borrowings	1,391	3,237
Notional pooling repayments	(1,365)	(3,230)
Debt borrowings	0	1,100
Debt repayments	(5)	(408)
Debt issuance costs	0	(4)
Exercise of common stock options	26	5
Other financing activities	0	(23)
Net cash used in financing activities - continuing operations	(374)	(353)
Effect of exchange rate changes on cash	(151)	(38)
Net change in cash and cash equivalents - continuing operations	16	(462)
Cash provided by operating activities - discontinued operations	0	11
Net effect of discontinued operations on cash and cash equivalents	0	11
Increase (decrease) in cash and cash equivalents	16	(451)
Cash and cash equivalents at beginning of period	2,812	2,804
Cash and cash equivalents at end of period	$ 2,828	$ 2,353