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Business and Summary of Significant Accounting Policies - Concentration of Credit Risk (Details) (USD $)
 12 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Jan. 31, 2013
Concentration Risk [Line Items]      
Maximum borrowing capacity 400,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity    
Tech Data | Sales Revenue, Net      
Concentration Risk [Line Items]      
Concentration risk, percentage 25.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_MajorCustomersAxis
= adsk_TechDataMember		 24.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_MajorCustomersAxis
= adsk_TechDataMember		 23.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_MajorCustomersAxis
= adsk_TechDataMember
Tech Data | Accounts Receivable      
Concentration Risk [Line Items]      
Concentration risk, percentage 22.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= adsk_TechDataMember		 24.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= adsk_TechDataMember		  
United States      
Concentration Risk [Line Items]      
Concentration risk, percentage 19.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementGeographicalAxis
= country_US		 25.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementGeographicalAxis
= country_US		  
Other Americas      
Concentration Risk [Line Items]      
Concentration risk, percentage 1.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementGeographicalAxis
= adsk_OtherAmericasMember		 1.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementGeographicalAxis
= adsk_OtherAmericasMember		  
Europe, Middle East, and Africa (“EMEA”)      
Concentration Risk [Line Items]      
Concentration risk, percentage 56.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementGeographicalAxis
= us-gaap_EMEAMember		 57.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementGeographicalAxis
= us-gaap_EMEAMember		  
Asia Pacific (“APAC”)      
Concentration Risk [Line Items]      
Concentration risk, percentage 24.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember		 17.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember