Subsequent Event (Details) $ in Millions	Feb. 05, 2024 USD ($)	Nov. 01, 2021
Business Acquisition [Line Items]
Restrictive covenant, ratio of total gross debt to EBIDTA		3.25
Subsequent Event \| Line of Credit \| 2024 Credit Facility \| Revolving Credit Facility
Business Acquisition [Line Items]
Line of credit, maximum borrowing capacity	$ 1,500
Option to increase credit amount	$ 1,000
Term of option to extend credit agreement	1 year
Restrictive covenant, ratio of total gross debt to EBIDTA	4.00
Subsequent Event \| Line of Credit \| 2024 Credit Facility \| Letter of Credit
Business Acquisition [Line Items]
Line of credit, maximum borrowing capacity	$ 250
Subsequent Event \| Line of Credit \| 2024 Credit Facility \| Swingline Loans
Business Acquisition [Line Items]
Line of credit, maximum borrowing capacity	$ 500

Debt Instrument, Option To Increase Line Of Credit Facility, Amount

No definition available.

Name:	intu_DebtInstrumentOptionToIncreaseLineOfCreditFacilityAmount
Namespace Prefix:	intu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Debt Instrument, Restrictive Covenant, Ratio, Total Gross Debt To EBIDTA

+ References

No definition available.

+ Details

Name:	intu_DebtInstrumentRestrictiveCovenantRatioTotalGrossDebtToEBIDTA
Namespace Prefix:	intu_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Term Of Option To Extend Line Of Credit Facility

+ References

No definition available.

+ Details

Name:	intu_DebtInstrumentTermOfOptionToExtendLineOfCreditFacility
Namespace Prefix:	intu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479907/805-20-50-5

+ Details

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

- 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://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=intu_TwentyTwentyFourCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=intu_SwinglineLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: