Geographical Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Segment Reporting Information [Line Items]
Total revenue	$ 1,858	$ 1,300	$ 835
United States
Segment Reporting Information [Line Items]
Total revenue	1,456	1,036	702
International
Segment Reporting Information [Line Items]
Total revenue	$ 402	$ 264	$ 133