Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating activities
Net income	$ 335	$ 240
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	105	105
Provision for deferred income taxes	(48)	25
Provision for bad debts	2	1
Share-based compensation expense	20	23
Asset impairments and other non-cash items	2	1
Foreign currency transaction (gains) losses	(1)	12
Changes in other operating assets and liabilities, net of effect of acquisitions
Decrease in trade accounts receivable	316	398
Decrease in deferred revenue	(317)	(394)
Decrease in taxes payable, net	(338)	(93)
Increase in accounts payable, accrued expenses and other	8	18
Decrease in accrued salaries, wages and commissions	(38)	(141)
Changes in other operating assets and liabilities	(35)	(12)
Net cash provided by operating activities	11	183
Investing activities
Acquisitions of businesses, net of cash acquired, and purchased software	(122)	(5)
Purchases of property and equipment	(13)	(22)
Capitalized software development costs	(25)	(36)
Maturities of short-term investments	184	0
Other investing activities	0	2
Net cash provided by (used in) investing activities	24	(61)
Financing activities
Dividends paid	(114)	(119)
Purchases of common stock	(49)	(86)
Debt borrowings	725	253
Debt repayments	(727)	(248)
Debt issuance costs	(1)	0
Exercise of common stock options and other	28	17
Net cash used in financing activities	(138)	(183)
Effect of exchange rate changes on cash	(29)	(77)
Decrease in cash and cash equivalents	(132)	(138)
Cash and cash equivalents at beginning of period	2,593	2,679
Cash and cash equivalents at end of period	$ 2,461	$ 2,541