v3.26.1
Debt - Outstanding Balances Of The Secured Revolving Credit Facilities (Details) - USD ($)
$ in Millions
Jul. 31, 2026
Jul. 31, 2025
Debt Instrument [Line Items]    
Uncommitted facility limit $ 300  
Committed facility limit 1,200  
Total facility limit 1,500  
Outstanding Principal Balance 970 $ 1,014
Revolving Credit Facility | Line of Credit | Subsidiary    
Debt Instrument [Line Items]    
Outstanding Principal Balance 970 1,014
Revolving Credit Facility | Secured Revolving Credit Facility, 2019 | Line of Credit | Subsidiary    
Debt Instrument [Line Items]    
Uncommitted facility limit 200  
Committed facility limit 300  
Total facility limit 500  
Outstanding Principal Balance 350 440
Revolving Credit Facility | Secured Revolving Credit Facility, 2022 | Line of Credit | Subsidiary    
Debt Instrument [Line Items]    
Uncommitted facility limit 100  
Committed facility limit 400  
Total facility limit 500  
Outstanding Principal Balance 400 300
Revolving Credit Facility | Secured Revolving Credit Facility, 2024 | Line of Credit | Subsidiary    
Debt Instrument [Line Items]    
Uncommitted facility limit 0  
Committed facility limit 500  
Total facility limit 500  
Outstanding Principal Balance $ 220 $ 274