v3.26.1
Long-Term Obligations and Other Short-Term Borrowings Other Financing Arrangements (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Oct. 06, 2026
Aug. 07, 2026
Jun. 30, 2025
Apr. 01, 2025
Nov. 11, 2024
Debt Instrument [Line Items]              
Other obligations $ 196       $ 213    
Line of Credit Facility, Average Outstanding Amount 44            
Revolving Credit Facility              
Debt Instrument [Line Items]              
Maximum borrowing capacity 2,000            
Revolving Credit Facility | Subsequent Event              
Debt Instrument [Line Items]              
Maximum borrowing capacity       $ 4,000      
Short Term Credit Facilities | Committed Receivables Sales Facility Program              
Debt Instrument [Line Items]              
Maximum borrowing capacity 1,000            
Letter of Credit              
Debt Instrument [Line Items]              
Line of credit 1       1    
Other Short-term Borrowings 0       0    
Long-term Line of Credit 1       1    
Letter of Credit | Committed Receivables Sales Facility Program              
Debt Instrument [Line Items]              
Line of credit 43       31    
Long-term Line of Credit 43       31    
Committed Receivables Sales Facility Program              
Debt Instrument [Line Items]              
Other Short-term Borrowings 0            
Line of Credit Facility, Maximum Amount Outstanding During Period   $ 2,000          
Commercial Paper              
Debt Instrument [Line Items]              
Maximum borrowing capacity 3,000            
Other Short-term Borrowings 0       $ 0    
Bridge Loan              
Debt Instrument [Line Items]              
Maximum borrowing capacity             $ 2,900
364-Dad Revolving Credit Facility | Backstop Credit Facility | Forecast              
Debt Instrument [Line Items]              
Debt Instrument, Term     364 days        
Credit Agreement              
Debt Instrument [Line Items]              
Maximum borrowing capacity 1,000            
Line of credit           $ 800  
Long-term Line of Credit           $ 800  
364-Day Revolving Credit Facility | Backstop Credit Facility              
Debt Instrument [Line Items]              
Maximum borrowing capacity $ 1,000            
364-Day Revolving Credit Facility | Backstop Credit Facility | Subsequent Event              
Debt Instrument [Line Items]              
Line of Credit Facility, Increase (Decrease), Net     $ 1,000        
364-Day Revolving Credit Facility | Backstop Credit Facility | Forecast              
Debt Instrument [Line Items]              
Debt Instrument, Term     364 days