Balance Sheet Details - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Deferred Revenue Arrangement [Line Items]
Depreciation expense	$ 48	$ 46	$ 146	$ 135
Recognition of revenue deferral			1,942	$ 2,124
Total deferred revenue
Deferred Revenue Arrangement [Line Items]
Revenue, remaining performance obligation, amount	$ 2,080		$ 2,080