Segment Information - Results by Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Financial results by reportable segment
Net revenue:	$ 2,597	$ 2,007
Total operating income	76	195
Unallocated corporate items:
Share-based compensation expense	(422)	(280)
Amortization of acquired technology	(41)	(15)
Amortization of other acquired intangible assets	(121)	(53)
Operating Segments
Financial results by reportable segment
Total operating income	1,278	1,068
Segment Reconciling Items
Unallocated corporate items:
Share-based compensation expense	(422)	(280)
Other corporate expenses	(618)	(525)
Amortization of acquired technology	(41)	(15)
Amortization of other acquired intangible assets	(121)	(53)
Total unallocated corporate items	(1,202)	(873)
Small Business & Self-Employed
Financial results by reportable segment
Net revenue:	1,988	1,443
Small Business & Self-Employed | Operating Segments
Financial results by reportable segment
Net revenue:	1,988	1,443
Total operating income	1,179	921
Consumer | Operating Segments
Financial results by reportable segment
Net revenue:	150	120
Total operating income	11	(11)
Credit Karma | Operating Segments
Financial results by reportable segment
Net revenue:	425	418
Total operating income	94	169
ProTax | Operating Segments
Financial results by reportable segment
Net revenue:	34	26
Total operating income	$ (6)	$ (11)