Derivative Instruments - Effects of Derivative Instruments on Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Derivatives, Fair Value [Line Items]
Net revenue	$ 1,505	$ 1,345	$ 2,922	$ 2,614
Marketing and sales	480	449	949	905
Research and development	368	355	714	682
General and administrative	161	141	316	273
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	3	18	6	40
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	5	17	10	37
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	(1)	0	(2)	1
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	(2)	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	0	1	0	2
Subscription revenue
Derivatives, Fair Value [Line Items]
Net revenue	1,408	1,270	2,738	2,463
Maintenance revenue
Derivatives, Fair Value [Line Items]
Net revenue	11	14	22	28
Cost of subscription and maintenance revenue
Derivatives, Fair Value [Line Items]
Net revenue	1,419	1,284	2,760	2,491
Cost of revenue	$ 100	$ 95	$ 200	$ 191

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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