Acquired Intangible Assets - Intangible Assets Acquired (Details) - USD ($) $ in Millions	Oct. 31, 2023	Jul. 31, 2023
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	$ 8,534	$ 8,535
Accumulated amortization	(2,273)	(2,116)
Acquired intangible assets, net	$ 6,261	$ 6,419
Weighted-average life in years	13 years	13 years
Customer Lists / User Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	$ 6,197	$ 6,197
Accumulated amortization	(1,285)	(1,178)
Acquired intangible assets, net	$ 4,912	$ 5,019
Weighted-average life in years	14 years	14 years
Purchased Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	$ 1,616	$ 1,616
Accumulated amortization	(793)	(756)
Acquired intangible assets, net	$ 823	$ 860
Weighted-average life in years	9 years	8 years
Trade Names and Logos
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	$ 680	$ 680
Accumulated amortization	(154)	(140)
Acquired intangible assets, net	$ 526	$ 540
Weighted-average life in years	13 years	13 years
Covenants Not to Compete or Sue
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	$ 41	$ 42
Accumulated amortization	(41)	(42)
Acquired intangible assets, net	$ 0	$ 0
Weighted-average life in years	0 years	0 years