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	Jan. 31, 2025	Jul. 31, 2024
Amortized Cost
Due within one year	$ 72	$ 517
Due within two years	57	55
Due within three years	45	43
Total available-for-sale debt securities	174	615
Fair Value
Due within one year	71	516
Due within two years	58	56
Due within three years	45	43
Total available-for-sale debt securities	$ 174	$ 615