Revenue Recognition - Contract Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Disaggregation of Revenue [Line Items]
Total net revenue	$ 5,497	$ 5,005	$ 4,386
Design
Disaggregation of Revenue [Line Items]
Total net revenue	4,647	4,264	3,772
Make
Disaggregation of Revenue [Line Items]
Total net revenue	523	452	364
Other
Disaggregation of Revenue [Line Items]
Total net revenue	327	289	250
Indirect
Disaggregation of Revenue [Line Items]
Total net revenue	3,444	3,250	2,849
Direct
Disaggregation of Revenue [Line Items]
Total net revenue	2,053	1,755	1,537
Americas
Disaggregation of Revenue [Line Items]
Total net revenue	2,438	2,092	1,765
U.S.
Disaggregation of Revenue [Line Items]
Total net revenue	1,978	1,720	1,457
Other Americas
Disaggregation of Revenue [Line Items]
Total net revenue	460	372	308
Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Total net revenue	2,042	1,906	1,700
Asia Pacific
Disaggregation of Revenue [Line Items]
Total net revenue	1,017	1,007	921
Architecture, Engineering and Construction
Disaggregation of Revenue [Line Items]
Total net revenue	2,580	2,278	1,969
AutoCAD and AutoCAD LT
Disaggregation of Revenue [Line Items]
Total net revenue	1,462	1,387	1,244
Manufacturing
Disaggregation of Revenue [Line Items]
Total net revenue	1,063	978	876
Media and Entertainment
Disaggregation of Revenue [Line Items]
Total net revenue	295	291	259
Other
Disaggregation of Revenue [Line Items]
Total net revenue	$ 97	$ 71	$ 38