Cash and Cash Equivalents, Investments, and Funds Receivable and Amounts Held for Customers - Schedule of the Stated Maturity Date of the Security (Details) - USD ($) $ in Millions	Oct. 31, 2024	Jul. 31, 2024
Amortized Cost
Due within one year	$ 541	$ 517
Due within two years	40	55
Due within three years	55	43
Due after three years	0	0
Total available-for-sale debt securities	636	615
Fair Value
Due within one year	541	516
Due within two years	40	56
Due within three years	55	43
Due after three years	0	0
Total available-for-sale debt securities	$ 636	$ 615