CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
OPERATING ACTIVITIES
Net income (loss)	$ (5,053)	$ 42
Adjustments to reconcile to net cash provided by (used in) operating activities:
Depreciation	237	239
Amortization	429	452
Goodwill and other asset impairment charges	236	113
Equity earnings and charges from investment in Change Healthcare Joint Venture	0	1,478
Deferred taxes	(1,520)	(387)
Credits associated with last-in, first-out inventory method	(115)	(114)
Non-cash operating lease expense	264	276
Loss from sales of businesses and investments	50	8
Other non-cash items	67	534
Changes in assets and liabilities, net of acquisitions:
Receivables	1,500	(1,044)
Inventories	(2,046)	(689)
Drafts and accounts payable	(1,240)	(929)
Operating lease liabilities	(291)	(287)
Taxes	184	11
Litigation liabilities	8,067	0
Other	403	17
Net cash provided by (used in) operating activities	1,172	(280)
INVESTING ACTIVITIES
Payments for property, plant, and equipment	(293)	(242)
Capitalized software expenditures	(134)	(96)
Acquisitions, net of cash, cash equivalents, and restricted cash acquired	(33)	(97)
Proceeds from sales of businesses and investments, net	325	6
Other	(75)	20
Net cash used in investing activities	(210)	(409)
FINANCING ACTIVITIES
Proceeds from short-term borrowings	5,455	15,852
Repayments of short-term borrowings	(5,303)	(13,743)
Proceeds from issuances of long-term debt	500	0
Repayments of long-term debt	(1,030)	(8)
Common stock transactions:
Issuances	55	89
Share repurchases, including shares surrendered for tax withholding	(526)	(1,951)
Dividends paid	(209)	(222)
Other	(118)	(271)
Net cash used in financing activities	(1,176)	(254)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(77)	27
Net decrease in cash, cash equivalents, and restricted cash	(291)	(916)
Cash, cash equivalents, and restricted cash at beginning of period	4,023	2,981
Cash, cash equivalents, and restricted cash at end of period	3,732	2,065
Less: Restricted cash at end of period included in Prepaid expenses and other	(155)	0
Cash and cash equivalents at end of period	$ 3,577	$ 2,065