Goodwill and Intangible Assets, net - Narrative (Details) - USD ($)	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021	Aug. 02, 2021	May 03, 2021
Goodwill [Line Items]
Goodwill	$ 5,400,000,000	$ 5,401,000,000
Goodwill impairments	0	0	$ 0
Amortization expense	$ 93,000,000	$ 69,000,000	$ 11,000,000
Auth0
Goodwill [Line Items]
Goodwill					$ 5,290,000,000
atSpoke
Goodwill [Line Items]
Goodwill				$ 62,000,000