Income Taxes - Schedule of Components of Provision for (Benefit from) Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Current:
Federal	$ 0	$ 0	$ 0
State	2	0	0
Foreign	5	4	1
Total current provision for income taxes	7	4	1
Deferred:
Federal	0	(8)	0
State	0	(1)	0
Foreign	7	3	(1)
Total deferred provision for (benefit from) income taxes	7	(6)	(1)
Total provision for (benefit from) income taxes	$ 14	$ (2)	$ 0