Segment Information - Schedule of Reconciliation of Revenue from Segments (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
Revenue from External Customer [Line Items]
Total net revenue	$ 3,885	$ 3,283
Global Business Solutions
Revenue from External Customer [Line Items]
Total net revenue	2,991	2,544
Consumer
Revenue from External Customer [Line Items]
Total net revenue	894	739
QuickBooks Online Accounting | Global Business Solutions
Revenue from External Customer [Line Items]
Total net revenue	1,206	965
Online Services | Global Business Solutions
Revenue from External Customer [Line Items]
Total net revenue	1,145	978
Total Online Ecosystem | Global Business Solutions
Revenue from External Customer [Line Items]
Total net revenue	2,351	1,943
QuickBooks Desktop Accounting | Global Business Solutions
Revenue from External Customer [Line Items]
Total net revenue	356	329
Desktop Services and Supplies | Global Business Solutions
Revenue from External Customer [Line Items]
Total net revenue	284	272
Total Desktop Ecosystem | Global Business Solutions
Revenue from External Customer [Line Items]
Total net revenue	640	601
TurboTax | Consumer
Revenue from External Customer [Line Items]
Total net revenue	198	187
Credit Karma | Consumer
Revenue from External Customer [Line Items]
Total net revenue	651	513
ProTax | Consumer
Revenue from External Customer [Line Items]
Total net revenue	$ 45	$ 39