v3.26.1
Cash and Cash Equivalents, Investments, and Funds Receivable and Amounts Held for Customers - Table of cash and cash equivalents, investments, and relevant portion of funds receivable and amounts held for customers by investment type (Details) - USD ($)
$ in Millions
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2024
Jul. 31, 2023
Debt Securities, Available-for-sale [Line Items]        
Funds receivable and amounts held for customers not measured and recorded at fair value $ 377 $ 329    
Total cash, cash equivalents, restricted cash, and restricted cash equivalents 9,216 9,481 $ 7,099 $ 2,852
Available-for-sale debt securities:        
Total available-for-sale debt securities 2,646 1,817    
Total available-for-sale debt securities 2,645 1,818    
Total cash, cash equivalents, restricted cash, restricted cash equivalents, and investments 11,862 11,298    
Total cash, cash equivalents, restricted cash, restricted cash equivalents, and investments 11,861 11,299    
Total cash, cash equivalents, restricted cash, and restricted cash equivalents        
Debt Securities, Available-for-sale [Line Items]        
Total cash, cash equivalents, restricted cash, and restricted cash equivalents 9,216 9,481    
Total cash, cash equivalents, restricted cash, and restricted cash equivalents 9,216 9,481    
Corporate notes        
Available-for-sale debt securities:        
Total available-for-sale debt securities 870 502    
Total available-for-sale debt securities 869 502    
U.S. agency securities        
Available-for-sale debt securities:        
Total available-for-sale debt securities 1,776 1,315    
Total available-for-sale debt securities $ 1,776 $ 1,316