REVENUE RECOGNITION - Reconciliation of Contract Balances (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Mar. 31, 2023
Reconciliation of Contract Balances
Accounts receivable (net of allowances for credit losses of $24 at December 31, 2023 and $32 at March 31, 2023)	$ 1,658		$ 1,658		$ 1,523
Contract assets	31		31		30
Deferred income (current)	793		793		820
Deferred income (noncurrent)	326		326		362
Accounts receivable, allowances	24		24		32
Unbilled receivable	329		329		$ 384
Revenue recognized that was included in deferred income at the beginning of the period	$ 221	$ 249	$ 501	$ 496