Leases - Lease Costs and Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	$ 71	$ 85	$ 98
Variable lease cost	16	14	12
Cash paid for operating leases included in operating cash flows	112	115	107
Non-cash operating lease liabilities arising from obtaining operating right-of-use assets	48	48	53
Variable lease, payment	16	14	12
Cost of subscription and maintenance revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	7	8	8
Variable lease cost	1	1	1
Cost of other revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	2	3	2
Variable lease cost	1	0	0
Marketing and sales
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	28	36	43
Variable lease cost	6	6	5
Research and development
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	23	27	30
Variable lease cost	5	5	4
General and administrative
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	11	11	15
Variable lease cost	$ 3	$ 2	$ 2