REVENUE RECOGNITION - Reconciliation of Contract Balances (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Reconciliation of Contract Balances
Accounts receivable (net of allowances for credit losses of $22 at March 31, 2024 and $32 at March 31, 2023) *	$ 1,599	$ 1,523
Contract assets	30	30
Deferred income (current)	825	820
Deferred income (noncurrent)	314	362
Accounts receivable, allowances	22	32
Unbilled receivable	377	$ 384
Revenue recognized that was included in deferred income at the beginning of the period	$ 794