XML 52 R35.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
Fair Value Measurements - Balance Sheet Classification (Details) - USD ($)
$ in Millions
Apr. 30, 2024
Jul. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents: $ 4,215 $ 2,848
Available-for-sale debt securities, fair value 613 1,014
Fair value, measurements, recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents: 3,174 1,888
Available-for-sale debt securities, fair value 613 1,014
Fair value, measurements, recurring | In cash and cash equivalents    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents: 3,174 1,888
Fair value, measurements, recurring | Available for sale debt securities in investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt securities, fair value 463 814
Fair value, measurements, recurring | Funds receivable and amounts held for customers    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt securities, fair value 150 200
Fair value, measurements, recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents: 3,174 1,888
Available-for-sale debt securities, fair value 0 0
Fair value, measurements, recurring | Level 1 | In cash and cash equivalents    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents: 3,174 1,888
Fair value, measurements, recurring | Level 1 | Available for sale debt securities in investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt securities, fair value 0 0
Fair value, measurements, recurring | Level 1 | Funds receivable and amounts held for customers    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt securities, fair value 0 0
Fair value, measurements, recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents: 0 0
Available-for-sale debt securities, fair value 613 1,014
Fair value, measurements, recurring | Level 2 | In cash and cash equivalents    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents: 0 0
Fair value, measurements, recurring | Level 2 | Available for sale debt securities in investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt securities, fair value 463 814
Fair value, measurements, recurring | Level 2 | Funds receivable and amounts held for customers    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale debt securities, fair value $ 150 $ 200