Segment Information - Results by segment (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2022
Net revenue:
Total net revenue	$ 16,285	$ 14,368	$ 12,726
Operating income:
Total segment operating income	3,630	3,141	2,571
Unallocated corporate items:
Amortization of acquired technology	(146)	(163)	(140)
Amortization of other acquired intangible assets	(483)	(483)	(416)
Initial Costs	(223)	0	0
Total Online Ecosystem
Net revenue:
Total net revenue	6,892	5,759	4,438
QuickBooks Online Accounting
Net revenue:
Total net revenue	3,379	2,849	2,267
Online Services
Net revenue:
Total net revenue	3,513	2,910	2,171
Total Desktop Ecosystem
Net revenue:
Total net revenue	2,641	2,279	2,022
QuickBooks Desktop Accounting
Net revenue:
Total net revenue	1,389	1,110	851
Desktop Services and Supplies
Net revenue:
Total net revenue	1,252	1,169	1,171
Small Business & Self-Employed
Net revenue:
Total net revenue	9,533	8,038	6,460
Consumer
Net revenue:
Total net revenue	4,445	4,135	3,915
ProTax
Net revenue:
Total net revenue	599	561	546
Credit Karma
Net revenue:
Total net revenue	1,708	1,634	1,805
Operating Segments
Operating income:
Total segment operating income	9,569	8,339	7,131
Operating Segments | Small Business & Self-Employed
Operating income:
Total segment operating income	5,748	4,581	3,520
Unallocated corporate items:
Initial Costs	(96)
Operating Segments | Consumer
Operating income:
Total segment operating income	2,920	2,875	2,633
Unallocated corporate items:
Initial Costs	(9)
Operating Segments | ProTax
Operating income:
Total segment operating income	487	455	447
Unallocated corporate items:
Initial Costs	(2)
Operating Segments | Credit Karma
Operating income:
Total segment operating income	414	428	531
Unallocated corporate items:
Initial Costs	0
Segment Reconciling Items
Unallocated corporate items:
Share-based compensation expense	(1,915)	(1,712)	(1,308)
Other corporate expenses	(3,172)	(2,840)	(2,696)
Amortization of acquired technology	(146)	(163)	(140)
Amortization of other acquired intangible assets	(483)	(483)	(416)
Initial Costs	(223)	0	0
Total unallocated corporate items	(5,939)	$ (5,198)	$ (4,560)
Segment Reconciling Items | July 2024 Restructuring Plan
Unallocated corporate items:
Share-based compensation expense	$ 25