Revenue - Change in Contract Liabilities (Details) - USD ($) $ in Millions	6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Change In Contract With Customer, Liability [Roll Forward]
Balance, beginning of period	$ 1,915	$ 1,701
Deferred revenue	1,075	1,398
Recognition of deferred revenue	(1,145)	(1,334)
Currency translation adjustment	(168)	(21)
Other	(21)	(36)
Balance, end of period	$ 1,656	$ 1,708