CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income (loss)	$ 736	$ (146)	$ (5,358)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	1,742	1,988	1,960
Goodwill impairment losses	0	0	6,794
Operating right-of-use expense	484	616	698
Pension & other post-employment benefits, actuarial & settlement (gains) losses	(684)	519	(244)
Share-based compensation	101	56	68
Deferred taxes	255	(403)	(56)
(Gain) loss on dispositions	(421)	(1,983)	1
Provision for losses on accounts receivable	5	53	3
Unrealized foreign currency exchange (gains) losses	(12)	(36)	24
Impairment losses and contract write-offs	51	275	30
Debt extinguishment costs	311	41	0
Amortization of debt issuance costs and discount (premium)	0	3	(4)
Cash surrender value in excess of premiums paid	(24)	(3)	(12)
Other non-cash charges, net	15	1	0
Changes in assets and liabilities, net of effects of acquisitions and dispositions:
Decrease in receivables	228	257	269
Increase in prepaid expenses and other current assets	(48)	(299)	(229)
Decrease in accounts payable and accruals	(714)	(527)	(565)
(Decrease) increase in income taxes payable and income tax liability	(315)	434	(197)
Decrease in operating lease liability	(484)	(616)	(698)
Increase (decrease) in advance contract payments and deferred revenue	270	(66)	(146)
Other operating activities, net	5	(40)	12
Net cash provided by operating activities	1,501	124	2,350
Cash flows from investing activities:
Purchases of property and equipment	(254)	(261)	(350)
Payments for transition and transformation contract costs	(209)	(261)	(281)
Software purchased and developed	(295)	(254)	(235)
Proceeds (payments) for acquisitions, net of cash acquired	0	184	(1,997)
Business dispositions	533	4,947	0
Cash collections related to deferred purchase price receivable	0	159	671
Proceeds from sale of assets	100	164	73
Short-term investing	0	0	(75)
Proceeds from short-term investing	24	0	38
Other investing activities, net	41	(13)	19
Net cash (used in) provided by investing activities	(60)	4,665	(2,137)
Cash flows from financing activities:
Borrowings of commercial paper	1,068	1,486	4,939
Repayments of commercial paper	(905)	(1,852)	(5,076)
Borrowings under lines of credit	0	2,500	1,500
Repayment of borrowings under lines of credit	0	(4,000)	0
Borrowings on long-term debt	19	0	2,198
Principal payments on long-term debt	(2,872)	(3,552)	(1,039)
Payments on finance leases and borrowings for asset financing	(990)	(930)	(865)
Proceeds from bond issuance	2,918	993	0
Proceeds from stock options and other common stock transactions	13	1	11
Taxes paid related to net share settlements of share-based compensation awards	(18)	(7)	(16)
Repurchase of common stock and advance payment for accelerated share repurchase	(628)	0	(736)
Dividend payments	0	(53)	(214)
Payments for debt extinguishment costs	(344)	(41)	0
Other financing activities, net	(79)	(21)	(45)
Net cash (used in) provided by financing activities	(1,818)	(5,476)	657
Effect of exchange rate changes on cash and cash equivalents	29	39	(90)
Net (decrease) increase in cash and cash equivalents including cash classified within current assets held for sale	(348)	(648)	780
Cash classified within current assets held for sale	52	(63)	0
Net (decrease) increase in cash and cash equivalents	(296)	(711)	780
Cash and cash equivalents at beginning of year	2,968	3,679	2,899
Cash and cash equivalents at end of year	$ 2,672	$ 2,968	$ 3,679