XML 56 R35.htm IDEA: XBRL DOCUMENT v3.21.2
Cash and Cash Equivalents, Investments, and Funds Held for Customers - Classification on Balance Sheets (Details) - USD ($)
$ in Millions
Oct. 31, 2021
Jul. 31, 2021
Oct. 31, 2020
Cash and Cash Equivalents Items [Line Items]      
Cash and cash equivalents $ 2,864 $ 2,562 $ 5,174
Available-for-sale debt securities, amortized cost 586 1,504  
Total cash and cash equivalents, investments, and funds held for customers, amortized cost 3,558 4,323  
Cash equivalents: 2,864 2,562  
Available-for-sale debt securities, fair value 584 1,508  
Total cash and cash equivalents, investments, and funds held for customers, fair value 3,556 4,327  
Investments      
Cash and Cash Equivalents Items [Line Items]      
Available-for-sale debt securities, amortized cost 387 1,305  
Available-for-sale debt securities, fair value 386 1,308  
Funds held for customers      
Cash and Cash Equivalents Items [Line Items]      
Available-for-sale debt securities, amortized cost 307 456  
Available-for-sale debt securities, fair value $ 306 $ 457