Condensed Consolidated Statements Of Cash Flows (USD $) In Millions	6 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating Activities
Net income	$ 582	$ 625
Discontinued operation - gain on sale, net of tax		(72)
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	271	238
Asset impairment charge - capitalized software held for sale		72
Share-based compensation expense	78	66
Other non-cash items	52	81
Changes in operating assets and liabilities, net of business acquisitions:
Receivables	(435)	(145)
Inventories	(269)	662
Drafts and accounts payable	880	(417)
Deferred revenue	191	(178)
Litigation charges	118	24
Deferred tax benefit on litigation charges	(41)	(8)
Other	(32)	(150)
Net cash provided by operating activities	1,395	798
Investing Activities
Property acquisitions	(126)	(107)
Capitalized software expenditures	(101)	(75)
Acquisitions of businesses, less cash and cash equivalents acquired	(191)	(34)
Proceeds from sale of business		109
Other	69	12
Net cash used in investing activities	(349)	(95)
Financing Activities
Repayments of debt	(17)
Common stock share repurchases, including shares surrendered for tax withholding	(672)	(1,547)
Common stock issuances	82	194
Dividends paid	(97)	(80)
Other	19	57
Net cash used in financing activities	(685)	(1,376)
Effect of exchange rate changes on cash and cash equivalents	(30)	(8)
Net increase (decrease) in cash and cash equivalents	331	(681)
Cash and cash equivalents at beginning of period	3,612	3,731
Cash and cash equivalents at end of period	$ 3,943	$ 3,050