Derivative Instruments - Schedule of Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023	Jan. 31, 2024
Derivatives, Fair Value [Line Items]
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Prepaid Expense and Other Assets, Current		Prepaid Expense and Other Assets, Current		Prepaid Expense and Other Assets, Current
Total derivative assets	$ 22		$ 22		$ 21
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other Accrued Liabilities, Current		Other Accrued Liabilities, Current		Other Accrued Liabilities, Current
Total derivative liabilities	$ 10		$ 10		$ 15
Amount of (loss) gain recognized in accumulated other comprehensive income, net of tax, (effective portion)	(12)	$ 4	(15)	$ (22)
Amount and location of gain (loss) reclassified from accumulated other comprehensive loss into income (effective portion)	7	12	13	52
Interest and other income (expense), net	4	(2)	5	5
Net revenue
Derivatives, Fair Value [Line Items]
Amount and location of gain (loss) reclassified from accumulated other comprehensive loss into income (effective portion)	3	14	13	51
Cost of revenue
Derivatives, Fair Value [Line Items]
Amount and location of gain (loss) reclassified from accumulated other comprehensive loss into income (effective portion)	0	0	0	0
Operating expenses
Derivatives, Fair Value [Line Items]
Amount and location of gain (loss) reclassified from accumulated other comprehensive loss into income (effective portion)	4	$ (2)	0	$ 1
Prepaid expenses and other current assets | Foreign exchange contracts | Foreign currency contracts designated as cash flow hedges
Derivatives, Fair Value [Line Items]
Total derivative assets	7		7		8
Prepaid expenses and other current assets | Foreign exchange contracts | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Total derivative assets	15		15		13
Other accrued liabilities | Foreign exchange contracts | Foreign currency contracts designated as cash flow hedges
Derivatives, Fair Value [Line Items]
Total derivative liabilities	6		6		8
Other accrued liabilities | Foreign exchange contracts | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Total derivative liabilities	$ 4		$ 4		$ 7