Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended		0 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	0 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Aug. 02, 2013 Intuit Financial Services [Member]	Jan. 31, 2014 Intuit Financial Services [Member]	Jan. 31, 2014 Intuit Financial Services [Member]	Oct. 31, 2013 Intuit Health [Member]	Sep. 17, 2012 Intuit Websites [Member]
Discontinued Operations (Textuals)
Gross proceeds from sale of business	$ 1,025	$ 60	$ 1,025				$ 60
Net gain on disposal of business				36		10	32
Net revenue from discontinued operations				80	160
Discontinued operation, income before income tax				15	26
Pre-tax loss on sale of discontinued operations	40	53				(4)
Tax effect on sale of discontinued operations						$ (14)