Leases - Schedule of Lease Costs and Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	$ 58	$ 66	$ 71
Variable lease cost	10	13	16
Cash paid for operating leases included in operating cash flows	89	93	112
Non-cash operating lease liabilities arising from obtaining operating right-of-use assets	45	3	48
Variable lease, payment	10	13	16
Cost of subscription and maintenance revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	6	6	7
Variable lease cost	1	1	1
Cost of other revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	2	2	2
Variable lease cost	0	0	1
Marketing and sales
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	20	25	28
Variable lease cost	3	5	6
Research and development
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	21	22	23
Variable lease cost	4	5	5
General and administrative
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	9	11	11
Variable lease cost	$ 2	$ 2	$ 3