Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 31, 2014		Mar. 31, 2013		Mar. 31, 2012
Operating Activities
Net Income	$ 1,258		$ 1,338		$ 1,403
Adjustments to reconcile to net cash provided by operating activities:
Depreciation	186		133		127
Amortization	518		397		366
Other deferred taxes	16		608		175
Share-based compensation expense	160		167		154
Gain on business combination	0		(81)		0
Impairment of an equity investment	0		191		0
Net LIFO expense	311		13		11
Other non-cash items	130		90		93
Changes in operating assets and liabilities, net of acquisitions:
Receivables	(885)		315		(768)
Inventories	(1,201)		(60)		(882)
Drafts and accounts payable	2,412		(127)		2,037
Deferred revenue	(36)		(1)		97
Taxes	218		(86)		19
Litigation charges	68		72		149
Litigation settlement payments	(105)		(483)		(26)
Other	86		(3)		(5)
Net cash provided by operating activities	3,136		2,483		2,950
Investing Activities
Property acquisitions	(274)	[1]	(232)	[1]	(221)	[1]
Capitalized software expenditures	(141)		(153)		(177)
Acquisitions, net of cash and cash equivalents acquired	(4,634)		(1,873)		(1,051)
Proceeds from sale of business	97		0		0
Other	(94)		49		(53)
Net cash used in investing activities	(5,046)		(2,209)		(1,502)
Financing Activities
Proceeds from short-term borrowings	6,145		2,225		400
Repayments of short-term borrowings	(6,122)		(2,625)		0
Proceeds from issuances of long-term debt	4,114		1,798		0
Repayments of long-term debt	(356)		(1,143)		(430)
Common stock transactions:
Issuances	177		166		167
Share repurchases, including shares surrendered for tax withholding	(130)		(1,214)		(1,874)
Dividends paid	(214)		(194)		(195)
Other	5		31		27
Net cash used in financing activities	3,619		(956)		(1,905)
Effect of exchange rate changes on cash and cash equivalents	28		(11)		(6)
Net decrease in cash and cash equivalents	1,737		(693)		(463)
Cash and cash equivalents at beginning of year	2,456		3,149		3,612
Cash and cash equivalents at end of year	4,193		2,456		3,149
Cash paid for:
Interest	255		207		228
Income taxes, net of refunds	508		55		337
Non-cash item:
Fair value of debt assumed on acquisition	(2,312)		(635)		0
Conversion of Celesio convertible bonds	$ 313		$ 0		$ 0

[1] Long-lived assets consist of property, plant and equipment.