Income Taxes - Components Of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Jan. 31, 2024	Jan. 31, 2023
Income Tax Disclosure [Abstract]
Stock-based compensation	$ 53	$ 54
Research and development tax credit carryforwards	118	103
Foreign tax credit carryforwards	4	0
Accrued compensation and benefits	11	7
Other accruals not currently deductible for tax	15	26
Capitalized research and development	514	340
Fixed assets	21	22
Lease liability	80	92
Tax loss carryforwards	10	38
Deferred revenue	538	653
Purchased technology	33	(26)
Other	31	23
Total deferred tax assets	1,428	1,332
Less: valuation allowance	(149)	(148)
Net deferred tax assets	1,279	1,184
Indefinite lived intangibles	(128)	(109)
Right-of-use assets	(52)	(58)
Unremitted earnings of foreign subsidiaries	0	(2)
Deferred taxes on foreign earnings	(29)	(33)
Total deferred tax liabilities	(209)	(202)
Net deferred tax assets	$ 1,070	$ 982