Income Taxes - Components Of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Jan. 31, 2023	Jan. 31, 2022
Income Tax Disclosure [Abstract]
Stock-based compensation	$ 54	$ 56
Research and development tax credit carryforwards	103	235
Foreign tax credit carryforwards	0	59
Accrued compensation and benefits	7	6
Other accruals not currently deductible for tax	26	23
Capitalized research and development	340	123
Fixed assets	22	24
Lease liability	92	106
Tax loss carryforwards	38	68
Deferred revenue	653	387
Other	23	23
Total deferred tax assets	1,358	1,110
Less: valuation allowance	(148)	(188)
Net deferred tax assets	1,210	922
Indefinite lived intangibles	(109)	(95)
Purchased technology	(26)	(34)
Right-of-use assets	(58)	(74)
Unremitted earnings of foreign subsidiaries	(2)	(6)
Deferred taxes on foreign earnings	(33)	(1)
Total deferred tax liabilities	(228)	(210)
Net deferred tax assets	$ 982	$ 712