Segment Information - Results by segment (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Net revenue:
Total net revenue	$ 18,831	$ 16,285	$ 14,368
Segment cost of revenue and operating expenses:
Total segment cost of revenues and operating expenses	13,908	12,655	11,227
Operating income:
Total segment operating income	4,923	3,630	3,141
Unallocated corporate items:
Amortization of acquired technology	(156)	(146)	(163)
Amortization of other acquired intangible assets	(481)	(483)	(483)
Non-Cash Items	(15)	(223)	0
Total Online Ecosystem
Net revenue:
Total net revenue	8,302	6,892	5,759
QuickBooks Online Accounting
Net revenue:
Total net revenue	4,120	3,379	2,849
Online Services
Net revenue:
Total net revenue	4,182	3,513	2,910
Total Desktop Ecosystem
Net revenue:
Total net revenue	2,775	2,641	2,279
QuickBooks Desktop Accounting
Net revenue:
Total net revenue	1,672	1,575	1,211
Desktop Services and Supplies
Net revenue:
Total net revenue	1,103	1,066	1,068
Global Business Solutions
Net revenue:
Total net revenue	11,077	9,533	8,038
Operating Segments
Net revenue:
Total net revenue	18,831	16,285	14,368
Segment cost of revenue and operating expenses:
Total segment cost of revenues and operating expenses	5,210	4,701	4,201
Operating income:
Total segment operating income	13,621	11,584	10,167
Operating Segments | Global Business Solutions
Net revenue:
Total net revenue	11,077	9,533	8,038
Segment cost of revenue and operating expenses:
Total segment cost of revenues and operating expenses	2,610	2,376	2,138
Operating income:
Total segment operating income	8,467	7,157	5,900
Unallocated corporate items:
Non-Cash Items	(5)	(96)
Operating Segments | Consumer
Net revenue:
Total net revenue	4,870	4,445	4,135
Segment cost of revenue and operating expenses:
Total segment cost of revenues and operating expenses	1,084	952	785
Operating income:
Total segment operating income	3,786	3,493	3,350
Unallocated corporate items:
Non-Cash Items	0	(9)
Operating Segments | ProTax
Net revenue:
Total net revenue	621	599	561
Segment cost of revenue and operating expenses:
Total segment cost of revenues and operating expenses	88	79	72
Operating income:
Total segment operating income	533	520	489
Unallocated corporate items:
Non-Cash Items	0	(2)
Operating Segments | Credit Karma
Net revenue:
Total net revenue	2,263	1,708	1,634
Segment cost of revenue and operating expenses:
Total segment cost of revenues and operating expenses	1,428	1,294	1,206
Operating income:
Total segment operating income	835	414	428
Unallocated corporate items:
Non-Cash Items	0	0
Segment Reconciling Items
Unallocated corporate items:
Share-based compensation expense	(1,968)	(1,915)	(1,712)
Other corporate expenses	(6,078)	(5,187)	(4,668)
Amortization of acquired technology	(156)	(146)	(163)
Amortization of other acquired intangible assets	(481)	(483)	(483)
Non-Cash Items	(15)	(223)	0
Total unallocated corporate items	$ (8,698)	(7,954)	$ (7,026)
Segment Reconciling Items | July 2024 Restructuring Plan
Unallocated corporate items:
Share-based compensation expense		$ 25