Condensed Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Operating Activities
Net income	$ 882	$ 780
Discontinued operation - gain on sale, net of tax		(72)
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	408	352
Asset impairment charge - capitalized software held for sale		72
Share-based compensation expense	113	99
Other non-cash items	102	58
Changes in operating assets and liabilities, net of acquisitions:
Receivables	(575)	(198)
Inventories	(1,200)	22
Drafts and accounts payable	1,636	52
Deferred revenue	122	82
Litigation charges	145	213
Litigation settlement payments	(26)	(26)
Deferred tax benefit on litigation charges	(42)	(56)
Other	151	(40)
Net cash provided by operating activities	1,716	1,338
Investing Activities
Property acquisitions	(170)	(157)
Capitalized software expenditures	(137)	(111)
Acquisitions, less cash and cash equivalents acquired	(204)	(292)
Proceeds from sale of business		109
Other	81	(15)
Net cash used in investing activities	(430)	(466)
Financing Activities
Repayments of debt	(23)
Common stock repurchases, including shares surrendered for tax withholding	(672)	(1,548)
Common stock issuances	122	238
Dividends paid	(146)	(126)
Other	22	40
Net cash used in financing activities	(697)	(1,396)
Effect of exchange rate changes on cash and cash equivalents	(10)	6
Net increase (decrease) in cash and cash equivalents	579	(518)
Cash and cash equivalents at beginning of period	3,612	3,731
Cash and cash equivalents at end of period	4,191	3,213
Non-cash item:
Fair value of debt assumed on acquisition		$ (1,910)