XML 68 R42.htm IDEA: XBRL DOCUMENT
v3.20.1

Business and Summary of Significant Accounting Policies - Revenue Recognition (Details) | 12 Months Ended
--- | ---
Jan. 31, 2020 categories
Accounting Policies [Abstract] |
Number of revenue categories | 3

X
- Definition Number of Revenue Categories + References No definition available. + Details
Name: | adsk_NumberofRevenueCategories
Namespace Prefix: | adsk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration