Financial Instruments - Cost and Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Apr. 30, 2023	Jan. 31, 2023
Cash equivalents
Amortized Cost	$ 1,909.0	$ 1,947.0
Long-term
Total, Amortized Cost	1,430.0	1,279.0
Total, Gross unrealized gains	9.0	7.0
Total, Gross unrealized losses	(4.0)	(5.0)
Total, Fair value	1,435.0	1,281.0
Commercial paper
Short-term
Amortized Cost	120.0	42.0
Marketable securities, short-term	120.0	42.0
Corporate debt securities
Short-term
Amortized Cost	40.0	44.0
Marketable securities, short-term	40.0	44.0
Long-term
Amortized Cost	74.0	45.0
Gross Unrealized Gains	1.0	0.0
Gross Unrealized Losses	(1.0)	0.0
Marketable securities, long-term	74.0	45.0
U.S. government securities
Short-term
Amortized Cost	33.0	17.0
Marketable securities, short-term	33.0	17.0
Long-term
Amortized Cost	55.0	35.0
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	0.0	0.0
Marketable securities, long-term	55.0	35.0
Asset-backed securities
Short-term
Amortized Cost	21.0	19.0
Marketable securities, short-term	21.0	19.0
Long-term
Amortized Cost	22.0	13.0
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	0.0	0.0
Marketable securities, long-term	22.0	13.0
Other
Short-term
Amortized Cost	8.0	3.0
Marketable securities, short-term	8.0	3.0
Long-term
Amortized Cost	15.0	9.0
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	0.0	0.0
Marketable securities, long-term	15.0	9.0
Agency mortgage backed securities
Long-term
Amortized Cost	19.0
Gross Unrealized Gains	0.0
Gross Unrealized Losses	0.0
Marketable securities, long-term	19.0
Mutual funds
Long-term
Other investments	84.0	81.0
Other investments, gross unrealized gains	7.0	6.0
Other investments, gross unrealized losses	(1.0)	(1.0)
Other investments, fair value	90.0	86.0
Convertible debt securities
Long-term
Other investments	3.0	3.0
Other investments, gross unrealized gains	1.0	1.0
Other investments, gross unrealized losses	(2.0)	(2.0)
Other investments, fair value	2.0	2.0
Strategic investments derivative asset
Long-term
Other investments		2.0
Other investments, gross unrealized gains		0.0
Other investments, gross unrealized losses		(2.0)
Other investments, fair value		0.0
Money market funds
Cash equivalents
Amortized Cost	576.0	737.0
Cash Equivalents, Fair Value	576.0	737.0
Commercial paper
Cash equivalents
Amortized Cost	203.0	169.0
Cash Equivalents, Fair Value	203.0	169.0
Certificates of deposit
Cash equivalents
Amortized Cost	137.0	35.0
Cash Equivalents, Fair Value	137.0	35.0
U.S. government securities
Cash equivalents
Amortized Cost		13.0
Cash Equivalents, Fair Value		13.0
Other
Cash equivalents
Amortized Cost	20.0	12.0
Cash Equivalents, Fair Value	$ 20.0	$ 12.0

Cash Equivalents And Marketable Securities

No definition available.

Name:	adsk_CashEquivalentsAndMarketableSecurities
Namespace Prefix:	adsk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Cash Equivalents And Marketable Securities, Fair Value

+ References

No definition available.

+ Details

Name:	adsk_CashEquivalentsAndMarketableSecuritiesFairValue
Namespace Prefix:	adsk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Debt Securities, Available-for-Sale, Current

+ References

No definition available.

+ Details

Name:	adsk_DebtSecuritiesAvailableForSaleCurrentAbstract
Namespace Prefix:	adsk_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Securities, Available-for-Sale, Noncurrent

+ References

No definition available.

+ Details

Name:	adsk_DebtSecuritiesAvailableForSaleNoncurrentAbstract
Namespace Prefix:	adsk_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Investments, Accumulated Gross Unrealized Gain, Before Tax

+ References

No definition available.

+ Details

Name:	adsk_InvestmentsAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix:	adsk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Investments, Accumulated Gross Unrealized Loss, Before Tax

+ References

No definition available.

+ Details

Name:	adsk_InvestmentsAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix:	adsk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Other Investments, Fair Value

+ References

No definition available.

+ Details

Name:	adsk_OtherInvestmentsFairValue
Namespace Prefix:	adsk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Other Investments, Gross Unrealized Gains

+ References

No definition available.

+ Details

Name:	adsk_OtherInvestmentsGrossUnrealizedGains
Namespace Prefix:	adsk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Other Investments, Gross Unrealized Losses

+ References

No definition available.

+ Details

Name:	adsk_OtherInvestmentsGrossUnrealizedLosses
Namespace Prefix:	adsk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

+ References

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(12))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26626-111562

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_CashAndCashEquivalentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3044-108585

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_CashAndCashEquivalentsAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

No definition available.

+ Details

Name:	us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent.

+ References

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of investments classified as other.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(12))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(f,g))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

+ Details

Name:	us-gaap_OtherInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CommercialPaperMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=adsk_OtherMarketableSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=adsk_AgencyMortgageBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_MutualFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_ConvertibleDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=adsk_InvestmentsDerivativeAssetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CashAndCashEquivalentsAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CashAndCashEquivalentsAxis=us-gaap_CommercialPaperMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CashAndCashEquivalentsAxis=us-gaap_CertificatesOfDepositMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CashAndCashEquivalentsAxis=us-gaap_USGovernmentDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CashAndCashEquivalentsAxis=adsk_OtherCashEquivalentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: