v3.26.1
Long-Term Obligations and Other Short-Term Borrowings Long-Term Debt (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Debt Instrument [Line Items]        
Accounts Payable $ 38,300 $ 38,300 $ 34,700  
Debt Instrument, Issued, Principal   1,000 2,900  
Proceeds from Issuance of Long-Term Debt   $ 1,000 2,900  
Offer as percentage of principal amount   101.00%    
Proceeds from short-term investment in time deposit   $ 0 $ 200 $ 350
4.7% Notes due 2026        
Debt Instrument [Line Items]        
Debt Instrument, Issued, Principal   500    
5.0% Notes due 2029        
Debt Instrument [Line Items]        
Debt Instrument, Issued, Principal   750    
5.35% Notes due 2034        
Debt Instrument [Line Items]        
Debt Instrument, Issued, Principal   1,000    
5.75% Notes due 2054        
Debt Instrument [Line Items]        
Debt Instrument, Issued, Principal   650    
3.5% Notes due 2024        
Debt Instrument [Line Items]        
Repayments of Debt 400      
4.5% Notes due 2030        
Debt Instrument [Line Items]        
Debt Instrument, Issued, Principal   600    
5.15% Notes due 2035        
Debt Instrument [Line Items]        
Debt Instrument, Issued, Principal   400    
Revolving Credit Facility        
Debt Instrument [Line Items]        
Maximum borrowing capacity $ 2,000 $ 2,000