INCOME TAXES - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Operating Loss Carryforwards [Line Items]
Income resulting from tax holidays and tax incentives		$ 20	$ 14	$ 23
Effect on basic earnings per share due to income resulting from tax holidays and tax incentives (in dollars per share)		$ 0.05	$ 0.03	$ 0.05
Effect on diluted earnings per share due to income resulting from tax holidays and tax incentives (in dollars per share)		$ 0.05	$ 0.03	$ 0.05
Nextracker related transactions gains		$ 115	$ 158	$ 110
Decrease of valuation allowance		447	6	26
Valuation allowance	$ (838)	(838)	(1,371)
Deferred tax asset	1,568	1,568	1,621
Deferred tax asset operating loss carryforwards, domestic	358	358	541
Other offsetting increase (decrease) in valuation allowance		43	(254)	(69)
Tax losses and other carryforwards	1,199	1,199
Deferred tax assets related to operating losses and other carryforwards, without valuation allowance amount	436	436
Decrease in unrecognized tax benefit is reasonably possible	24	24
Unrecognized tax benefits	197	197	268	282
Unrecognized tax benefits affect annual effective tax rate if benefits eventually recognized	170	170
Interest and penalties expense (credit) recognized		(2)	(1)	2
Amount accrued for the payment of interest	13	13	15	16
U.S.
Operating Loss Carryforwards [Line Items]
Decrease of valuation allowance		461
Valuation allowance			(692)
Deferred tax asset	509	509	701
Singapore
Operating Loss Carryforwards [Line Items]
Tax effect of foreign income not repatriated to Singapore		0	$ 31	$ 105
Undistributed earnings of subsidiaries	659	659
Deferred tax liability not recognized undistributed earnings of its subsidiaries	77	77
China
Operating Loss Carryforwards [Line Items]
Dividends	100
Dividends subject to withholding tax		10
Deferred tax liability on undistributed foreign earnings	135	135
Remaining distributable earnings of foreign subsidiaries	$ 1,400	$ 1,400