Condensed Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Net revenue	$ 1,945	$ 1,881	$ 5,783	$ 5,552
Cost of revenue	529	568	1,353	1,344
Gross profit	1,416	1,313	4,430	4,208
Operating expenses:
Research and development	584	556	1,782	1,693
Marketing and sales	276	256	785	723
General and administrative	170	162	506	503
Amortization and impairment of intangibles	21	50	70	132
Restructuring (See Note 7)	0	0	3	0
Total operating expenses	1,051	1,024	3,146	3,051
Operating income	365	289	1,284	1,157
Interest and other income (expense), net	17	(7)	45	(12)
Income before provision for income taxes	382	282	1,329	1,145
Provision for income taxes	92	78	238	331
Net income	$ 290	$ 204	$ 1,091	$ 814
Earnings per share:
Basic (in dollars per share)	$ 1.08	$ 0.74	$ 4.03	$ 2.93
Diluted (in dollars per share)	$ 1.07	$ 0.73	$ 4.01	$ 2.92
Number of shares used in computation:
Basic (in shares)	269	276	271	278
Diluted (in shares)	271	278	272	279