Goodwill and Intangible Assets, net - Narrative (Details) - USD ($)		12 Months Ended
	May 03, 2021	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020	Aug. 02, 2021
Goodwill [Line Items]
Goodwill		$ 5,401,343,000	$ 48,023,000
Goodwill impairments		0	0	$ 0
Amortization expense		69,000,000	$ 11,100,000	$ 10,600,000
Auth0
Goodwill [Line Items]
Goodwill	$ 5,290,100,000
Goodwill acquired		5,290,100,000
Identifiable intangible assets acquired	$ 334,300,000	334,300,000
atSpoke
Goodwill [Line Items]
Goodwill					$ 63,200,000
Goodwill acquired		63,200,000
Identifiable intangible assets acquired		$ 18,300,000