FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES - Schedule of Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Assets:
Money market funds and time deposits (Note 2)	$ 1,644	$ 1,535
Foreign currency contracts (Note 10)	55	34
Mutual funds, money market accounts and equity securities	48	43
Liabilities:
Foreign currency contracts (Note 10)	(73)	(79)
Contingent consideration in connection with acquisitions	(2)	(5)
Level 1
Assets:
Money market funds and time deposits (Note 2)	0	0
Foreign currency contracts (Note 10)	0	0
Mutual funds, money market accounts and equity securities	35	0
Liabilities:
Foreign currency contracts (Note 10)	0	0
Contingent consideration in connection with acquisitions	0	0
Level 2
Assets:
Money market funds and time deposits (Note 2)	1,644	1,535
Foreign currency contracts (Note 10)	55	34
Mutual funds, money market accounts and equity securities	13	43
Liabilities:
Foreign currency contracts (Note 10)	(73)	(79)
Contingent consideration in connection with acquisitions	0	0
Level 3
Assets:
Money market funds and time deposits (Note 2)	0	0
Foreign currency contracts (Note 10)	0	0
Mutual funds, money market accounts and equity securities	0	0
Liabilities:
Foreign currency contracts (Note 10)	0	0
Contingent consideration in connection with acquisitions	$ (2)	$ (5)