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Restructuring - Schedule of Activity for the Plan by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024
Restructuring Reserve [Roll Forward]
Accrued July 31, 2024			$ 187
Additional Costs/ Adjustments	$ 1	$ 0	14	$ 0
Cash Payments			(187)
Non-Cash Items			(5)
Accrued April 30, 2025	9		9
Total Costs Incurred to Date	237		237
Total Expected Plan Cost	238		238
Operating Segments \| Global Business Solutions
Restructuring Reserve [Roll Forward]
Accrued July 31, 2024			84
Additional Costs/ Adjustments			4
Cash Payments			(81)
Non-Cash Items			0
Accrued April 30, 2025	7		7
Total Costs Incurred to Date	100		100
Total Expected Plan Cost	100		100
Operating Segments \| Consumer
Restructuring Reserve [Roll Forward]
Accrued July 31, 2024			9
Additional Costs/ Adjustments			0
Cash Payments			(9)
Non-Cash Items			0
Accrued April 30, 2025	0		0
Total Costs Incurred to Date	9		9
Total Expected Plan Cost	9		9
Operating Segments \| Credit Karma
Restructuring Reserve [Roll Forward]
Accrued July 31, 2024			0
Additional Costs/ Adjustments			0
Cash Payments			0
Non-Cash Items			0
Accrued April 30, 2025	0		0
Total Costs Incurred to Date	0		0
Total Expected Plan Cost	0		0
Operating Segments \| ProTax
Restructuring Reserve [Roll Forward]
Accrued July 31, 2024			2
Additional Costs/ Adjustments			0
Cash Payments			(2)
Non-Cash Items			0
Accrued April 30, 2025	0		0
Total Costs Incurred to Date	2		2
Total Expected Plan Cost	2		2
Corporate
Restructuring Reserve [Roll Forward]
Accrued July 31, 2024			92
Additional Costs/ Adjustments			10
Cash Payments			(95)
Non-Cash Items			(5)
Accrued April 30, 2025	2		2
Total Costs Incurred to Date	126		126
Total Expected Plan Cost	$ 127		$ 127