Derivative Instruments - Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Derivatives, Fair Value [Line Items]
Total derivative assets	$ 14	$ 18
Total derivative liabilities	31	11
Amount of gain (loss) recognized in accumulated other comprehensive loss, net of tax, (effective portion)	40	31	$ (28)
Amount and location of gain (loss) reclassified from accumulated other comprehensive loss into income (effective portion)	36	(17)	4
Interest and other expense, net	7	11	(1)
Net revenue
Derivatives, Fair Value [Line Items]
Amount and location of gain (loss) reclassified from accumulated other comprehensive loss into income (effective portion)	60	(12)	0
Cost of revenue
Derivatives, Fair Value [Line Items]
Amount and location of gain (loss) reclassified from accumulated other comprehensive loss into income (effective portion)	(3)	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)	(21)	(5)	$ 4
Prepaid expenses and other current assets | Foreign Exchange Contract | Foreign currency contracts designated as cash flow hedges
Derivatives, Fair Value [Line Items]
Total derivative assets	9	12
Prepaid expenses and other current assets and long-term other assets | Foreign Exchange Contract | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Total derivative assets	5	6
Other accrued liabilities | Foreign Exchange Contract | Foreign currency contracts designated as cash flow hedges
Derivatives, Fair Value [Line Items]
Total derivative liabilities	20	7
Other accrued liabilities | Foreign Exchange Contract | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Total derivative liabilities	$ 11	$ 4