CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating Activities
Net income (loss)	$ (80)	$ 365
Adjustments to reconcile to net cash provided by (used in) operating activities:
Depreciation and amortization	235	227
Goodwill and asset impairment charges	610	0
Loss from equity method investment in Change Healthcare	56	120
Deferred taxes	45	85
Charges (credits) associated with last-in-first-out inventory method	(21)	26
Other non-cash items	(79)	7
Changes in operating assets and liabilities, net of acquisitions:
Receivables	(1,414)	(363)
Inventories	(114)	(59)
Drafts and accounts payable	32	463
Taxes	(61)	(18)
Other	(270)	(112)
Net cash provided by (used in) operating activities	(1,061)	741
Investing Activities
Payments for property, plant and equipment	(101)	(75)
Capitalized software expenditures	(44)	(43)
Acquisitions, net of cash, cash equivalents and restricted cash acquired	(826)	(1,485)
Other	96	5
Net cash used in investing activities	(875)	(1,598)
Financing Activities
Proceeds from short-term borrowings	9,036	2,282
Repayments of short-term borrowings	(7,005)	(2,463)
Repayments of long-term debt	(2)	(541)
Common stock transactions:
Issuances	22	27
Share repurchases, including shares surrendered for tax withholding	(307)	(300)
Dividends paid	(71)	(62)
Other	(132)	(74)
Net cash provided by (used in) financing activities	1,541	(1,131)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(78)	75
Net decrease in cash, cash equivalents and restricted cash	(473)	(1,913)
Cash, cash equivalents and restricted cash at beginning of period	2,672	4,254
Cash, cash equivalents and restricted cash at end of period	$ 2,199	$ 2,341