Leases - Schedule of Lease Costs and Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	$ 17	$ 18	$ 34	$ 36
Variable lease cost	3	4	7	8
Cash paid for operating leases included in operating cash flows			47	55
Non-cash operating lease liabilities arising from obtaining operating lease right-of-use assets			10	38
Variable lease payments			7	8
Cost of subscription and maintenance revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	1	1	3	3
Variable lease cost	1	0	1	0
Cost of other revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	1	0	1	1
Variable lease cost	0	0	0	0
Marketing and sales
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	6	8	13	15
Variable lease cost	1	2	3	4
Research and development
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	6	6	11	12
Variable lease cost	1	1	2	2
General and administrative
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	3	3	6	5
Variable lease cost	$ 0	$ 1	$ 1	$ 2