Debt Instrument, Periodic Payment, Principal, Percent

No definition available.

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Namespace Prefix:	intu_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Master Credit Agreement Amount

+ References

No definition available.

+ Details

Name:	intu_MasterCreditAgreementAmount
Namespace Prefix:	intu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Term Loan, Increase Limit

+ References

No definition available.

+ Details

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Namespace Prefix:	intu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19,20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586

+ Details

Name:	us-gaap_InterestPaid
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of long-term debt and capital lease obligations including current maturities.

+ References

No definition available.

+ Details

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

- Details

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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

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
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Long-Term Obligations and Commitments - Narrative (Details) - USD ($)		6 Months Ended
	Feb. 01, 2016	Jan. 31, 2019	Jan. 31, 2018	Jul. 31, 2018
Debt Instrument [Line Items]
Short-term debt		$ 50,000,000		$ 50,000,000
February 1, 2016 Credit Agreement
Debt Instrument [Line Items]
Debt instrument, term	5 years
Master credit agreement	$ 1,500,000,000
February 1, 2016 Credit Agreement \| Line of Credit
Debt Instrument [Line Items]
Periodic payment, principal, percent	2.50%
February 1, 2016 Credit Agreement \| Term Loan
Debt Instrument [Line Items]
Interest paid		7,000,000	$ 5,000,000
February 1, 2016 Credit Agreement \| Term Loan \| Line of Credit
Debt Instrument [Line Items]
Unsecured term loan	$ 500,000,000	413,000,000
Term Loan, increase limit	$ 500,000,000
Short-term debt		$ 50,000,000
February 1, 2016 Credit Agreement \| Term Loan \| Line of Credit \| Base Rate \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.125%
February 1, 2016 Credit Agreement \| Term Loan \| Line of Credit \| Base Rate \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	0.875%
February 1, 2016 Credit Agreement \| Term Loan \| Line of Credit \| LIBOR \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	1.125%
February 1, 2016 Credit Agreement \| Term Loan \| Line of Credit \| LIBOR \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	1.875%