Revenue Recognition - Schedule of Contract Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Disaggregation of Revenue [Line Items]
Total net revenue	$ 6,131	$ 5,497	$ 5,005
Design
Disaggregation of Revenue [Line Items]
Total net revenue	5,104	4,647	4,264
Make
Disaggregation of Revenue [Line Items]
Total net revenue	654	523	452
Other
Disaggregation of Revenue [Line Items]
Total net revenue	373	327	289
Indirect
Disaggregation of Revenue [Line Items]
Total net revenue	3,568	3,444	3,250
Direct
Disaggregation of Revenue [Line Items]
Total net revenue	2,563	2,053	1,755
Americas
Disaggregation of Revenue [Line Items]
Total net revenue	2,716	2,438	2,092
U.S.
Disaggregation of Revenue [Line Items]
Total net revenue	2,228	1,978	1,720
Other Americas
Disaggregation of Revenue [Line Items]
Total net revenue	488	460	372
Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Total net revenue	2,307	2,042	1,906
Asia Pacific
Disaggregation of Revenue [Line Items]
Total net revenue	1,108	1,017	1,007
Architecture, Engineering and Construction
Disaggregation of Revenue [Line Items]
Total net revenue	2,937	2,580	2,278
AutoCAD and AutoCAD LT
Disaggregation of Revenue [Line Items]
Total net revenue	1,572	1,462	1,387
Manufacturing
Disaggregation of Revenue [Line Items]
Total net revenue	1,189	1,063	978
Media and Entertainment
Disaggregation of Revenue [Line Items]
Total net revenue	315	295	291
Other
Disaggregation of Revenue [Line Items]
Total net revenue	$ 118	$ 97	$ 71