Revenue Recognition - Contract Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Disaggregation of Revenue [Line Items]
Net revenue	$ 1,280	$ 1,126	$ 3,687	$ 3,175
Design
Disaggregation of Revenue [Line Items]
Net revenue	1,087	967	3,155	2,756
Make
Disaggregation of Revenue [Line Items]
Net revenue	117	94	333	265
Other
Disaggregation of Revenue [Line Items]
Net revenue	76	65	199	154
Indirect
Disaggregation of Revenue [Line Items]
Net revenue	827	730	2,412	2,093
Direct
Disaggregation of Revenue [Line Items]
Net revenue	453	396	1,275	1,082
Americas
Disaggregation of Revenue [Line Items]
Net revenue	541	462	1,540	1,276
U.S.
Disaggregation of Revenue [Line Items]
Net revenue	447	383	1,269	1,055
Other Americas
Disaggregation of Revenue [Line Items]
Net revenue	94	79	271	221
Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Net revenue	476	433	1,398	1,226
Asia Pacific
Disaggregation of Revenue [Line Items]
Net revenue	263	231	749	673
Architecture, Engineering and Construction
Disaggregation of Revenue [Line Items]
Net revenue	575	507	1,676	1,429
AutoCAD and AutoCAD LT
Disaggregation of Revenue [Line Items]
Net revenue	354	323	1,025	912
Manufacturing
Disaggregation of Revenue [Line Items]
Net revenue	254	225	721	630
Media and Entertainment
Disaggregation of Revenue [Line Items]
Net revenue	78	63	217	177
Other
Disaggregation of Revenue [Line Items]
Net revenue	$ 19	$ 8	$ 48	$ 27