INTANGIBLE ASSETS INCLUDING GOODWILL - Intangible Assets by Class (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Intangible asset balances by major asset class
Gross Carrying Amount	$ 339	$ 353
Accumulated Amortization	(150)	(182)
Net Carrying Amount	188	171
Net carrying amount of intangible assets increased	17
Capitalized software
Intangible asset balances by major asset class
Gross Carrying Amount	172	83
Accumulated Amortization	(48)	(15)
Net Carrying Amount	125	68
Intangible asset amortization expense	33
Customer relationships
Intangible asset balances by major asset class
Gross Carrying Amount	152	232
Accumulated Amortization	(96)	(141)
Net Carrying Amount	56	91
Completed technology
Intangible asset balances by major asset class
Gross Carrying Amount		20
Accumulated Amortization		(20)
Patents and trademarks
Intangible asset balances by major asset class
Gross Carrying Amount	14	18
Accumulated Amortization	(6)	(6)
Net Carrying Amount	$ 8	$ 13