Summary of Significant Accounting Policies - Schedule of New Accounting Pronouncements (Details) - USD ($) $ in Millions	Jan. 31, 2023	Jan. 31, 2022
Liabilities
Convertible senior notes, net	$ 0	$ 16
Convertible senior notes, net, noncurrent	2,193	1,816
Other liabilities, noncurrent	23	31
Stockholders’ equity:
Additional paid-in capital	7,974	7,750
Accumulated deficit	$ (2,475)	(1,816)
Adjustment
Liabilities
Convertible senior notes, net		1
Convertible senior notes, net, noncurrent		372
Other liabilities, noncurrent		(1)
Stockholders’ equity:
Additional paid-in capital		(528)
Accumulated deficit		156
Adjusted balance
Liabilities
Convertible senior notes, net		17
Convertible senior notes, net, noncurrent		2,188
Other liabilities, noncurrent		30
Stockholders’ equity:
Additional paid-in capital		7,222
Accumulated deficit		$ (1,660)