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Business and Summary of Significant Accounting Policies - Concentration of Credit Risk (Details) (USD $) | 12 Months Ended
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Jan. 31, 2015 | Jan. 31, 2014 | Jan. 31, 2013
Concentration Risk [Line Items] |  |  |
Maximum borrowing capacity | 400,000,000 us-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 |

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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