Revenue Recognition - Contract Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Disaggregation of Revenue [Line Items]
Net revenue	$ 1,237	$ 1,060	$ 2,407	$ 2,049
Design
Disaggregation of Revenue [Line Items]
Net revenue	1,064	924	2,068	1,789
Make
Disaggregation of Revenue [Line Items]
Net revenue	113	90	216	171
Other
Disaggregation of Revenue [Line Items]
Net revenue	60	46	123	89
Indirect
Disaggregation of Revenue [Line Items]
Net revenue	816	702	1,585	1,363
Direct
Disaggregation of Revenue [Line Items]
Net revenue	421	358	822	686
Americas
Disaggregation of Revenue [Line Items]
Net revenue	515	423	999	814
U.S.
Disaggregation of Revenue [Line Items]
Net revenue	424	348	822	672
Other Americas
Disaggregation of Revenue [Line Items]
Net revenue	91	75	177	142
Europe, Middle East, and Africa
Disaggregation of Revenue [Line Items]
Net revenue	473	410	922	793
Asia Pacific
Disaggregation of Revenue [Line Items]
Net revenue	249	227	486	442
Architecture, Engineering and Construction
Disaggregation of Revenue [Line Items]
Net revenue	564	479	1,101	922
AutoCAD and AutoCAD LT
Disaggregation of Revenue [Line Items]
Net revenue	344	304	671	589
Manufacturing
Disaggregation of Revenue [Line Items]
Net revenue	242	208	467	405
Media and Entertainment
Disaggregation of Revenue [Line Items]
Net revenue	71	59	139	114
Other
Disaggregation of Revenue [Line Items]
Net revenue	$ 16	$ 10	$ 29	$ 19