Interest and Other Expense, net (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Other Income and Expenses [Abstract]
Interest and investment expense, net	$ (71)	$ (65)	$ (51)
Gain on foreign currency	15	1	3
Gain (loss) on strategic investments	1	3	(41)
Other income	12	8	7
Interest and other expense, net	$ (43)	$ (53)	$ (82)