Leases - Schedule of Lease Costs and Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	$ 17	$ 18
Variable lease cost	4	4
Cash paid for operating leases included in operating cash flows	23	28
Non-cash operating lease liabilities arising from obtaining operating lease right-of-use assets	5	38
Variable lease payments	4	4
Cost of subscription and maintenance revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	2	2
Variable lease cost	0	0
Cost of other revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	0	1
Variable lease cost	0	0
Marketing and sales
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	7	7
Variable lease cost	2	2
Research and development
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	5	6
Variable lease cost	1	1
General and administrative
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	3	2
Variable lease cost	$ 1	$ 1