v3.26.1
Accounting Policies - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Significant Accounting Policies [Line Items]      
Description of payment terms in contract with customer Payment terms and conditions vary by contract type, although terms generally include a requirement of payment within 30 to 60 days.    
Current portion of other receivables related to purchase of components $ 27,800 $ 8,200  
Restricted investments 11,300    
Financing receivables, net 3,700 4,300  
Long-term accounts receivable, net of allowance for doubtful accounts 5,500 5,200  
Advertising expense 2,700 2,100 $ 1,700
Revenue 331,839 $ 281,724 $ 245,122
Short-term Investments      
Significant Accounting Policies [Line Items]      
Restricted investments, current 3,800    
Equity and Other Investments      
Significant Accounting Policies [Line Items]      
Restricted investments, noncurrent 7,500    
OpenAI Global, LLC      
Significant Accounting Policies [Line Items]      
Amount funded 11,900    
Total funding commitments $ 13,000    
Equity method of accounting investment percentage 25.00%    
Revenue $ 24,100    
Accounts receivable $ 6,000    
Software      
Significant Accounting Policies [Line Items]      
Estimated useful lives 3 years    
Computer Equipment | Minimum      
Significant Accounting Policies [Line Items]      
Estimated useful lives 2 years    
Computer Equipment | Maximum      
Significant Accounting Policies [Line Items]      
Estimated useful lives 6 years    
Buildings and Improvements | Minimum      
Significant Accounting Policies [Line Items]      
Estimated useful lives 5 years    
Buildings and Improvements | Maximum      
Significant Accounting Policies [Line Items]      
Estimated useful lives 15 years    
Leasehold Improvements | Minimum      
Significant Accounting Policies [Line Items]      
Estimated useful lives 3 years    
Leasehold Improvements | Maximum      
Significant Accounting Policies [Line Items]      
Estimated useful lives 15 years    
Furniture and Fixtures | Minimum      
Significant Accounting Policies [Line Items]      
Estimated useful lives 1 year    
Furniture and Fixtures | Maximum      
Significant Accounting Policies [Line Items]      
Estimated useful lives 10 years