CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Operating Activities
Net income	$ 1,382	$ 1,530
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	697	663
Goodwill impairment and other asset impairment charges	539	290
Loss from equity method investment in Change Healthcare	271	0
Deferred taxes	(847)	122
Share-based compensation expense	57	109
Credits associated with last-in-first-out inventory method	(5)	(151)
Loss (gain) from sale of businesses and equity investments	(155)	113
Other non-cash items	(132)	50
Changes in operating assets and liabilities, net of acquisitions:
Receivables	(1,046)	(654)
Inventories	(1,410)	(374)
Drafts and accounts payable	1,203	1,891
Deferred revenue	(134)	(58)
Taxes	689	52
Other	214	(274)
Net cash provided by operating activities	1,323	3,309
Investing Activities
Payments for property, plant and equipment	(269)	(246)
Capitalized software expenditures	(123)	(123)
Acquisitions, net of cash and cash equivalents acquired	(1,979)	(4,174)
Proceeds from/ (payments for) sale of businesses and equity investments, net		(91)
Proceeds from/ (payments for) sale of businesses and equity investments, net	329
Payments received on Healthcare Technology Net Asset Exchange	126	0
Restricted cash for acquisitions	1,469	935
Other	(36)	80
Net cash used in investing activities	(483)	(3,619)
Financing Activities
Proceeds from short-term borrowings	12,699	2,803
Repayments of short-term borrowings	(12,133)	(1,405)
Repayments of long-term debt	(545)	(392)
Common stock transactions:
Issuances	114	89
Share repurchases, including shares surrendered for tax withholding	(951)	(2,060)
Dividends paid	(192)	(192)
Other	(139)	12
Net cash used in financing activities	(1,147)	(1,145)
Effect of exchange rate changes on cash and cash equivalents	143	(159)
Net decrease in cash and cash equivalents	(164)	(1,614)
Cash and cash equivalents at beginning of period	2,783	4,048
Cash and cash equivalents at end of period	$ 2,619	$ 2,434