Revenue Recognition - Contract Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Disaggregation of Revenue [Line Items]
Total net revenue	$ 1,414	$ 1,280	$ 4,028	$ 3,687
Design
Disaggregation of Revenue [Line Items]
Total net revenue	1,192	1,087	3,432	3,155
Make
Disaggregation of Revenue [Line Items]
Total net revenue	134	117	385	333
Other
Disaggregation of Revenue [Line Items]
Total net revenue	88	76	211	199
Indirect
Disaggregation of Revenue [Line Items]
Total net revenue	876	827	2,546	2,412
Direct
Disaggregation of Revenue [Line Items]
Total net revenue	538	453	1,482	1,275
Total Americas
Disaggregation of Revenue [Line Items]
Total net revenue	640	541	1,782	1,540
U.S.
Disaggregation of Revenue [Line Items]
Total net revenue	520	447	1,461	1,269
Other Americas
Disaggregation of Revenue [Line Items]
Total net revenue	120	94	321	271
Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Total net revenue	516	476	1,496	1,398
Asia Pacific
Disaggregation of Revenue [Line Items]
Total net revenue	258	263	750	749
Architecture, Engineering and Construction
Disaggregation of Revenue [Line Items]
Total net revenue	675	575	1,884	1,676
AutoCAD and AutoCAD LT
Disaggregation of Revenue [Line Items]
Total net revenue	372	354	1,085	1,025
Manufacturing
Disaggregation of Revenue [Line Items]
Total net revenue	269	254	771	721
Media and Entertainment
Disaggregation of Revenue [Line Items]
Total net revenue	73	78	218	217
Other
Disaggregation of Revenue [Line Items]
Total net revenue	$ 25	$ 19	$ 70	$ 48