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Debt - Narrative (Details)
1 Months Ended 6 Months Ended
Jan. 30, 2026
USD ($)
Jan. 09, 2026
USD ($)
Nov. 01, 2024
USD ($)
Sep. 30, 2023
USD ($)
Jun. 30, 2020
USD ($)
Jan. 31, 2026
USD ($)
Feb. 26, 2026
USD ($)
Jul. 31, 2025
USD ($)
Debt Instrument [Line Items]                
Net carrying value of debt           $ 6,160,000,000   $ 5,973,000,000
Line of Credit | Revolving Credit Facility | Subsidiary                
Debt Instrument [Line Items]                
Secured revolving credit facilities           1,200,000,000   1,014,000,000
The Senior Unsecured Notes | Senior Unsecured Notes                
Debt Instrument [Line Items]                
Proceeds from issuance         $ 1,980,000,000      
Unamortized discount         2,000,000      
Debt issuance costs         $ 15,000,000      
Net carrying value of debt           1,000,000,000.0    
Redemption price         101.00%      
The 2023 Senior Unsecured Notes | Senior Unsecured Notes                
Debt Instrument [Line Items]                
Proceeds from issuance       $ 3,960,000,000        
Unamortized discount       20,000,000        
Debt issuance costs       $ 24,000,000        
Net carrying value of debt           4,000,000,000.0    
The Unsecured 2026 Credit Facility | Line of Credit | Revolving Credit Facility                
Debt Instrument [Line Items]                
Net carrying value of debt           0    
Line of credit, maximum borrowing capacity   $ 2,200,000,000            
Option to increase credit amount   $ 4,000,000,000            
Term of option to extend credit agreement   1 year            
Restrictive covenant, ratio of total gross debt to EBIDTA   4.00            
The Unsecured 2026 Credit Facility | Line of Credit | Revolving Credit Facility | Minimum                
Debt Instrument [Line Items]                
Commitment fee, percent   0.05%            
The Unsecured 2026 Credit Facility | Line of Credit | Revolving Credit Facility | Maximum                
Debt Instrument [Line Items]                
Commitment fee, percent   0.125%            
The Unsecured 2026 Credit Facility | Line of Credit | Revolving Credit Facility | Base Rate | Minimum                
Debt Instrument [Line Items]                
Basis spread on variable rate   0.00%            
The Unsecured 2026 Credit Facility | Line of Credit | Revolving Credit Facility | Base Rate | Maximum                
Debt Instrument [Line Items]                
Basis spread on variable rate   0.125%            
The Unsecured 2026 Credit Facility | Line of Credit | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Minimum                
Debt Instrument [Line Items]                
Basis spread on variable rate   0.70%            
The Unsecured 2026 Credit Facility | Line of Credit | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Maximum                
Debt Instrument [Line Items]                
Basis spread on variable rate   1.125%            
The Unsecured 2026 Credit Facility | Line of Credit | Revolving Credit Facility | Interest Benchmark for Relevant Currency | Minimum                
Debt Instrument [Line Items]                
Basis spread on variable rate   0.70%            
The Unsecured 2026 Credit Facility | Line of Credit | Revolving Credit Facility | Interest Benchmark for Relevant Currency | Maximum                
Debt Instrument [Line Items]                
Basis spread on variable rate   1.125%            
The Unsecured 2026 Credit Facility | Line of Credit | Swingline Loans                
Debt Instrument [Line Items]                
Line of credit, maximum borrowing capacity   $ 500,000,000            
The Unsecured 2026 Credit Facility | Line of Credit | Letter of Credit                
Debt Instrument [Line Items]                
Line of credit, maximum borrowing capacity   $ 250,000,000            
Short-Term Revolving Credit Facility | Revolving Credit Facility | Line of Credit                
Debt Instrument [Line Items]                
Line of credit, maximum borrowing capacity $ 5,800,000,000              
Restrictive covenant, ratio of total gross debt to EBIDTA 4.00              
Interest rate on unused portion of line of credit 0.07%              
Short-Term Revolving Credit Facility | Revolving Credit Facility | Base Rate | Line of Credit                
Debt Instrument [Line Items]                
Basis spread on variable rate 0.00%              
Short-Term Revolving Credit Facility | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Line of Credit                
Debt Instrument [Line Items]                
Basis spread on variable rate 0.875%              
Secured Revolving Credit Facility, 2019 | Line of Credit | Revolving Credit Facility | Subsidiary                
Debt Instrument [Line Items]                
Line of credit, maximum borrowing capacity           500,000,000    
Line of credit, current borrowing capacity           300,000,000    
Line of credit, remaining borrowing capacity           200,000,000    
Secured revolving credit facilities           $ 500,000,000    
Interest rate at period end           5.03%    
Secured Revolving Credit Facility, 2019 | Line of Credit | Revolving Credit Facility | Minimum | Subsidiary                
Debt Instrument [Line Items]                
Interest rate on unused portion of line of credit           0.25%    
Secured Revolving Credit Facility, 2019 | Line of Credit | Revolving Credit Facility | Maximum | Subsidiary                
Debt Instrument [Line Items]                
Interest rate on unused portion of line of credit           0.75%    
Secured Revolving Credit Facility, 2019 | Line of Credit | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Subsidiary                
Debt Instrument [Line Items]                
Basis spread on variable rate           1.25%    
Secured Revolving Credit Facility, 2022 | Line of Credit | Revolving Credit Facility | Subsidiary                
Debt Instrument [Line Items]                
Line of credit, maximum borrowing capacity           $ 500,000,000    
Line of credit, current borrowing capacity           400,000,000    
Line of credit, remaining borrowing capacity           100,000,000    
Secured revolving credit facilities           $ 400,000,000    
Interest rate at period end           4.78%    
Secured Revolving Credit Facility, 2022 | Line of Credit | Revolving Credit Facility | Minimum | Subsidiary                
Debt Instrument [Line Items]                
Interest rate on unused portion of line of credit           0.20%    
Secured Revolving Credit Facility, 2022 | Line of Credit | Revolving Credit Facility | Maximum | Subsidiary                
Debt Instrument [Line Items]                
Interest rate on unused portion of line of credit           0.40%    
Secured Revolving Credit Facility, 2022 | Line of Credit | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Subsidiary                
Debt Instrument [Line Items]                
Basis spread on variable rate           1.10%    
Secured Revolving Credit Facility, 2024 | Line of Credit | Revolving Credit Facility | Subsidiary                
Debt Instrument [Line Items]                
Line of credit, maximum borrowing capacity     $ 500,000,000          
Secured revolving credit facilities           $ 300,000,000    
Interest rate at period end           5.03%    
Secured Revolving Credit Facility, 2024 | Line of Credit | Revolving Credit Facility | Minimum | Subsidiary                
Debt Instrument [Line Items]                
Interest rate on unused portion of line of credit     0.20%          
Secured Revolving Credit Facility, 2024 | Line of Credit | Revolving Credit Facility | Maximum | Subsidiary                
Debt Instrument [Line Items]                
Interest rate on unused portion of line of credit     0.40%          
Secured Revolving Credit Facility, 2024 | Line of Credit | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Subsidiary                
Debt Instrument [Line Items]                
Basis spread on variable rate     1.15%          
Commercial Paper Program | Line of Credit                
Debt Instrument [Line Items]                
Commercial paper           $ 0   $ 0
Commercial Paper Program | Subsequent Event | Line of Credit                
Debt Instrument [Line Items]                
Commercial paper             $ 2,100,000,000  
Commercial Paper Program | Commercial Paper | Line of Credit                
Debt Instrument [Line Items]                
Line of credit, maximum borrowing capacity           $ 3,200,000,000    
Debt instrument, term           397 days