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Related Parties and Related Commitments and Contingencies - Additional Information (Details)
$ in Millions
12 Months Ended
Jun. 30, 2023
USD ($)
entity
Jul. 01, 2022
USD ($)
Jul. 02, 2021
USD ($)
Related Party Transactions [Abstract]      
Number of legal entities | entity 3    
Undistributed earnings $ 55 $ 43  
Investment funding commitments 50.00%    
Percent of total manufacturing capacity in operation 100.00%    
Costs incurred associated with reduction in utilization $ 286    
Costs incurred with unexpected power outage incident   207  
Western Digital Corp | Minimum      
Related Party Transactions [Abstract]      
Investment funding commitments 49.90%    
Western Digital Corp | Maximum      
Related Party Transactions [Abstract]      
Investment funding commitments 50.00%    
Equity Method Investee      
Related Party Transactions [Abstract]      
Payments for equity method investments $ 4,200 4,700 $ 4,360
Accounts payable $ 292 $ 320  
Kioxia      
Related Party Transactions [Abstract]      
Equity method investment, ownership percentage 49.90%    
Kioxia | Prepayments of Future Depreciation      
Related Party Transactions [Abstract]      
Other commitment $ 220    
Flash Ventures      
Related Party Transactions [Abstract]      
Equity method investment, ownership percentage 49.90%    
Flash Ventures | Prepayments of Future Depreciation      
Related Party Transactions [Abstract]      
Other commitment $ 355    
Depreciation prepayments, 2024 $ 21    
Flash Ventures | Kioxia      
Related Party Transactions [Abstract]      
Equity method investment, ownership percentage 50.10%    
Unis Venture      
Related Party Transactions [Abstract]      
Equity method investment, ownership percentage 49.00%    
Unis Venture | Revenue from Contract with Customer | Product Concentration Risk      
Related Party Transactions [Abstract]      
Concentration risk, percentage 3.00% 4.00% 3.00%
Unis Venture | Accounts Receivable Benchmark | Product Concentration Risk      
Related Party Transactions [Abstract]      
Concentration risk, percentage 8.00% 5.00%  
Unis Venture | Unissoft (Wuxi) Group Co Ltd.      
Related Party Transactions [Abstract]      
Partner's ownership in venture business 51.00%