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Borrowing Facilities and Debt - Narrative (Details) - USD ($)
Jul. 27, 2025
Jun. 01, 2025
May 31, 2025
Feb. 28, 2025
Oct. 27, 2024
Feb. 29, 2020
Debt Instrument [Line Items]            
Short-term debt $ 799,000,000       $ 799,000,000  
Commercial Paper            
Debt Instrument [Line Items]            
Commercial paper   $ 2,000,000,000 $ 1,500,000,000      
Short-term debt $ 100,000,000       $ 100,000,000  
Debt, weighted average interest rate 4.31%       5.06%  
Debt securities, held-to-maturity, threshold period past due 77 days       63 days  
Revolving Credit Facility | Unsecured Debt            
Debt Instrument [Line Items]            
Outstanding credit facilities $ 0       $ 0  
Revolving Credit Facility | Unsecured Debt | Revolving Credit Facility, February 2030 Expiration            
Debt Instrument [Line Items]            
Available revolving credit agreement       $ 2,000,000,000    
Accordion feature, increase limit       500,000,000    
Accordion feature, higher borrowing capacity option       $ 2,500,000,000    
Revolving Credit Facility | Unsecured Debt | Revolving Credit Facility, February 2026 Expiration            
Debt Instrument [Line Items]            
Available revolving credit agreement           $ 1,500,000,000
Foreign Line of Credit            
Debt Instrument [Line Items]            
Available revolving credit agreement 55,000,000          
Outstanding credit facilities $ 0       $ 0