Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
OPERATING ACTIVITIES FROM CONTINUING OPERATIONS:
Net income	$ 740	$ 639
(Income) loss from discontinued operations	(13)	(3)
Income from continuing operations	727	636
Adjustments to reconcile income from continuing operations to net cash provided by operating activities:
Depreciation and amortization	298	280
Provision for deferred income taxes	78	187
Provision for bad debts	(3)	5
Share-based compensation expense	61	61
Asset impairments and other non-cash items	15	0
Foreign currency transaction (gains) losses	(4)	3
Changes in other operating assets and liabilities, net of effect of acquisitions:
Decrease in trade accounts receivable, net	12	105
Decrease in deferred revenue	(389)	(304)
Decrease in taxes payable, net	(33)	(82)
Decrease in accounts payable, accrued expenses and other	(34)	(22)
Increase (decrease) in accrued salaries, wages and commissions	5	(97)
Changes in other operating assets and liabilities	(4)	(29)
NET CASH PROVIDED BY OPERATING ACTIVITIES - CONTINUING OPERATIONS	729	743
INVESTING ACTIVITIES FROM CONTINUING OPERATIONS:
Acquisitions of businesses, net of cash acquired, and purchased software	(373)	(252)
Purchases of property and equipment	(53)	(73)
Cash proceeds from divestiture of assets	7	13
Capitalized software development costs	(137)	(116)
Purchases of marketable securities	(102)	(168)
Proceeds from the sale of marketable securities	27	0
Maturities of marketable securities	72	0
Other investing activities	(1)	(17)
NET CASH USED IN INVESTING ACTIVITIES - CONTINUING OPERATIONS	(560)	(613)
FINANCING ACTIVITIES FROM CONTINUING OPERATIONS:
Dividends paid	(75)	(61)
Purchases of common stock	(553)	(188)
Debt borrowings	240	0
Debt repayments	(371)	(9)
Exercise of common stock options and other	12	7
NET CASH USED IN FINANCING ACTIVITIES - CONTINUING OPERATIONS	(747)	(251)
Effect of exchange rate changes on cash	(96)	40
NET CHANGE IN CASH AND CASH EQUIVALENTS - CONTINUING OPERATIONS	(674)	(81)
CASH USED IN OPERATING ACTIVITIES - DISCONTINUED OPEARTIONS	(21)	0
CASH PROVIDED BY INVESTING ACTIVITIES - DISCONTINUED OPEARTIONS	4	16
NET EFFECT OF DISCONTINUED OPERATIONS ON CASH AND CASH EQUIVALENTS	(17)	16
DECREASE IN CASH AND CASH EQUIVALENTS	(691)	(65)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	3,049	2,583
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 2,358	$ 2,518