Income Taxes - Schedule of Components Of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Jan. 31, 2025	Jan. 31, 2024
Income Tax Disclosure [Abstract]
Stock-based compensation	$ 55	$ 53
Research and development tax credit carryforwards	109	118
Foreign tax credit carryforwards	20	4
Accrued compensation and benefits	19	11
Other accruals not currently deductible for tax	15	15
Capitalized research and development	696	514
Fixed assets	18	21
Lease liability	61	80
Tax loss carryforwards	14	10
Deferred revenue	427	538
Purchased technology	38	33
Other	40	31
Total deferred tax assets	1,512	1,428
Less: valuation allowance	(131)	(149)
Net deferred tax assets	1,381	1,279
Indefinite lived intangibles	(143)	(128)
Right-of-use assets	(37)	(52)
Deferred taxes on foreign earnings	(28)	(29)
Total deferred tax liabilities	(208)	(209)
Net deferred tax assets	$ 1,173	$ 1,070