CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ (142)	$ (281)	$ (283)	$ (531)
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	(109)	(221)	(125)	(488)
Unrealized gains (losses) arising during the period	11		26	(5)
Reclassification of (gains) losses to net income	(4)		(5)	(1)
Total unrealized gains (losses) on cash flow hedges	7		21	(6)
Retirement-related benefit plans:
Amortization of prior service (credits) costs			1
Amortization of net (gains) losses	1	10	3	20
Total retirement-related benefit plans	1	10	4	20
Other comprehensive income (loss), before tax	(101)	(211)	(100)	(474)
Income tax (expense) benefit related to items of other comprehensive income (loss)	(3)	(3)	(5)	(4)
Other comprehensive income (loss), net of tax	(105)	(214)	(104)	(478)
Total comprehensive income (loss)	$ (247)	$ (495)	$ (388)	$ (1,009)