Derivative Instruments - Schedule of Effects of Derivative Instruments on Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Derivatives, Fair Value [Line Items]
Net revenue	$ 1,570	$ 1,414	$ 4,492	$ 4,028
Marketing and sales	525	439	1,474	1,344
Research and development	378	339	1,092	1,021
General and administrative	161	165	477	438
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	7	12	13	52
Foreign exchange contracts \| Designated as Hedging Instrument \| Subscription revenue
Derivatives, Fair Value [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	3	14	13	51
Foreign exchange contracts \| Designated as Hedging Instrument \| Maintenance revenue
Derivatives, Fair Value [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	0	0	0	0
Foreign exchange contracts \| Designated as Hedging Instrument \| Cost of subscription and maintenance revenue
Derivatives, Fair Value [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	0	0	0	0
Foreign exchange contracts \| Designated as Hedging Instrument \| Marketing and sales
Derivatives, Fair Value [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	2	(1)	0	0
Foreign exchange contracts \| Designated as Hedging Instrument \| Research and development
Derivatives, Fair Value [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	1	0	(1)	0
Foreign exchange contracts \| Designated as Hedging Instrument \| General and administrative
Derivatives, Fair Value [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	1	(1)	1	1
Subscription revenue
Derivatives, Fair Value [Line Items]
Net revenue	1,457	1,314	4,195	3,777
Maintenance revenue
Derivatives, Fair Value [Line Items]
Net revenue	9	12	31	40
Cost of subscription and maintenance revenue
Derivatives, Fair Value [Line Items]
Net revenue	1,466	1,326	4,226	3,817
Cost of revenue	$ 105	$ 94	$ 305	$ 285

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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