Acquired Intangible Assets - Schedule of Intangible Assets Acquired (Details) - USD ($) $ in Millions	Jan. 31, 2025	Jul. 31, 2024
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	$ 8,523	$ 8,524
Accumulated amortization	(3,018)	(2,704)
Total expected future amortization expense	$ 5,505	$ 5,820
Weighted-average life in years	13 years	13 years
Customer Lists / User Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	$ 6,195	$ 6,196
Accumulated amortization	(1,819)	(1,605)
Total expected future amortization expense	$ 4,376	$ 4,591
Weighted-average life in years	14 years	14 years
Purchased Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	$ 1,648	$ 1,648
Accumulated amortization	(979)	(905)
Total expected future amortization expense	$ 669	$ 743
Weighted-average life in years	8 years	8 years
Trade Names and Logos
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	$ 680	$ 680
Accumulated amortization	(220)	(194)
Total expected future amortization expense	$ 460	$ 486
Weighted-average life in years	13 years	13 years