Segment Information - Schedule of Financial Results by Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Financial results by reportable segment
Net revenue:	$ 3,963	$ 3,386	$ 7,246	$ 6,364
Operating income:	593	369	864	676
Unallocated corporate items:
Amortization of acquired technology	(37)	(36)	(74)	(74)
Amortization of other acquired intangible assets	(120)	(120)	(240)	(240)
Restructuring	(4)	0	(13)	0
Operating Segments
Financial results by reportable segment
Operating income:	2,695	2,255	4,970	4,339
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment
Unallocated corporate items:
Share-based compensation expense	(498)	(475)	(1,009)	(970)
Other corporate expenses	(1,443)	(1,255)	(2,770)	(2,379)
Amortization of acquired technology	(37)	(36)	(74)	(74)
Amortization of other acquired intangible assets	(120)	(120)	(240)	(240)
Restructuring	(4)	0	(13)	0
Total unallocated corporate items	(2,102)	(1,886)	(4,106)	(3,663)
Global Business Solutions
Financial results by reportable segment
Net revenue:	2,671	2,245	5,215	4,589
Global Business Solutions | Operating Segments
Financial results by reportable segment
Net revenue:	2,671	2,245	5,215	4,589
Operating income:	2,049	1,673	4,048	3,497
Unallocated corporate items:
Restructuring			(4)
Consumer | Operating Segments
Financial results by reportable segment
Net revenue:	509	492	685	679
Operating income:	229	263	305	395
Unallocated corporate items:
Restructuring			0
Credit Karma | Operating Segments
Financial results by reportable segment
Net revenue:	511	375	1,035	780
Operating income:	168	64	348	170
ProTax | Operating Segments
Financial results by reportable segment
Net revenue:	272	274	311	316
Operating income:	$ 249	$ 255	269	$ 277
Unallocated corporate items:
Restructuring			$ 0