Derivative Instruments - Effects of Derivative Instruments on Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 30, 2023	Apr. 30, 2022
Derivatives, Fair Value [Line Items]
Total net revenue	$ 1,269	$ 1,170
Selling and Marketing Expense	456	419
Research and Development Expense	327	289
General and Administrative Expense	132	120
Amount of gain reclassified from accumulated other comprehensive income into income	22	2
Foreign Exchange Contract \| Designated as Hedging Instrument \| Subscription revenue
Derivatives, Fair Value [Line Items]
Amount of gain reclassified from accumulated other comprehensive income into income	20	6
Foreign Exchange Contract \| Designated as Hedging Instrument \| Maintenance revenue
Derivatives, Fair Value [Line Items]
Amount of gain reclassified from accumulated other comprehensive income into income	0	0
Foreign Exchange Contract \| Designated as Hedging Instrument \| Cost of subscription and maintenance revenue
Derivatives, Fair Value [Line Items]
Amount of gain reclassified from accumulated other comprehensive income into income	0	(1)
Foreign Exchange Contract \| Designated as Hedging Instrument \| Marketing and sales
Derivatives, Fair Value [Line Items]
Amount of gain reclassified from accumulated other comprehensive income into income	1	(2)
Foreign Exchange Contract \| Designated as Hedging Instrument \| Research and development
Derivatives, Fair Value [Line Items]
Amount of gain reclassified from accumulated other comprehensive income into income	0	0
Foreign Exchange Contract \| Designated as Hedging Instrument \| General and administrative
Derivatives, Fair Value [Line Items]
Amount of gain reclassified from accumulated other comprehensive income into income	1	(1)
Subscription revenue
Derivatives, Fair Value [Line Items]
Total net revenue	1,193	1,089
Maintenance revenue
Derivatives, Fair Value [Line Items]
Total net revenue	14	18
Cost of subscription and maintenance revenue
Derivatives, Fair Value [Line Items]
Total net revenue	1,207	1,107
Cost of goods and services sold	$ 96	$ 84

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 total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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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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