Leases - Lease Costs and Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	$ 85	$ 98	$ 101
Variable lease cost	14	12	12
Cash paid for operating leases included in operating cash flows	115	107	96
Non-cash operating lease liabilities arising from obtaining operating right-of-use assets	48	53	67
Variable lease, payment	14	12	12
Cost of subscription and maintenance revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	8	8	7
Variable lease cost	1	1	1
Cost of other revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	3	2	2
Variable lease cost	0	0	0
Marketing and sales
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	36	43	45
Variable lease cost	6	5	5
Research and development
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	27	30	29
Variable lease cost	5	4	4
General and administrative
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease cost	11	15	18
Variable lease cost	$ 2	$ 2	$ 2