Cover Page - USD ($) $ in Billions	12 Months Ended
	Jul. 31, 2023	Aug. 25, 2023	Jan. 31, 2023
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Jul. 31, 2023
Current Fiscal Year End Date	--07-31
Document Transition Report	false
Entity File Number	0-21180
Entity Registrant Name	INTUIT INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	77-0034661
Entity Address, Address Line One	2700 Coast Avenue
Entity Address, City or Town	Mountain View
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94043
City Area Code	650
Local Phone Number	944-6000
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	INTU
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 115.5
Entity Common Stock, Shares Outstanding		280,259,493
Documents Incorporated by Reference	Portions of the registrant’s definitive proxy statement for its Annual Meeting of Stockholders to be held on January 18, 2024 are incorporated by reference in Part III of this Annual Report on Form 10-K.
Entity Central Index Key	0000896878
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Amendment Flag	false
Document Financial Statement Error Correction [Flag]	false