INCOME TAXES - Reconciliation of Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Income taxes based on domestic statutory rates	$ 178	$ 121	$ 27
Effect of jurisdictional tax rate differential	(114)	(82)	(81)
Change in unrecognized tax benefit	12	11	(1)
Change in valuation allowance	12	35	93
Foreign exchange movement on prior year taxes recoverable	(9)	5	13
Tax impacts related to sale of Nextracker Series A Preferred Units	13	0	0
APB23 tax liability	1	1	9
Other	12	10	11
Provision for income taxes	$ 105	$ 101	$ 71