Cover Page - shares	6 Months Ended
	Jan. 31, 2022	Feb. 18, 2022
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jan. 31, 2022
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 Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		282,812,475
Entity Central Index Key	0000896878
Amendment Flag	false
Current Fiscal Year End Date	--07-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2