Leases - Schedule of Lease Costs and Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	$ 16	$ 17	$ 50	$ 53
Variable lease cost	3	4	10	12
Cash paid for operating leases included in operating cash flows			70	81
Non-cash operating lease liabilities arising from obtaining operating lease right-of-use assets			4	44
Variable lease payments			10	12
Cost of subscription and maintenance revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	2	2	5	5
Variable lease cost	0	1	1	1
Cost of other revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	0	1	1	2
Variable lease cost	0	0	0	0
Marketing and sales
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	6	7	19	22
Variable lease cost	1	1	4	5
Research and development
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	6	5	17	17
Variable lease cost	1	2	3	4
General and administrative
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	2	2	8	7
Variable lease cost	$ 1	$ 0	$ 2	$ 2