Derivative Instruments - Effects of Derivative Instruments on Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Derivatives, Fair Value [Line Items]
Total net revenue	$ 5,497	$ 5,005	$ 4,386
Marketing and sales	1,823	1,745	1,623
Research and development	1,373	1,219	1,115
General and administrative	620	532	572
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	57	36	(17)
Foreign Exchange Contract \| Foreign currency contracts designated as cash flow hedges \| Subscription revenue
Derivatives, Fair Value [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	57	60
Foreign Exchange Contract \| Foreign currency contracts designated as cash flow hedges \| Maintenance revenue
Derivatives, Fair Value [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	0	0
Foreign Exchange Contract \| Foreign currency contracts designated as cash flow hedges \| Cost of subscription and maintenance revenue
Derivatives, Fair Value [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	0	(3)
Foreign Exchange Contract \| Foreign currency contracts designated as cash flow hedges \| Marketing and sales
Derivatives, Fair Value [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	0	(10)
Foreign Exchange Contract \| Foreign currency contracts designated as cash flow hedges \| Research and development
Derivatives, Fair Value [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	(1)	(5)
Foreign Exchange Contract \| Foreign currency contracts designated as cash flow hedges \| General and administrative
Derivatives, Fair Value [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	1	(6)
Subscription
Derivatives, Fair Value [Line Items]
Total net revenue	5,116	4,651	4,060
Maintenance
Derivatives, Fair Value [Line Items]
Total net revenue	54	65	76
Cost of subscription and maintenance revenue
Derivatives, Fair Value [Line Items]
Total net revenue	5,170	4,716	4,136
Cost of goods and services sold	$ 381	$ 343	$ 299

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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