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Debt - Schedule of Long-term Debt (Details)
$ / shares in Units, $ in Millions
12 Months Ended
Apr. 24, 2020
USD ($)
Mar. 13, 2020
USD ($)
Oct. 30, 2019
USD ($)
Sep. 03, 2020
USD ($)
d
$ / shares
Aug. 29, 2019
USD ($)
Aug. 30, 2018
USD ($)
Long-term Debt, by Current and Noncurrent [Abstract]            
Finance Lease Effective Rate (in ten thousandths)       4.51%    
Current Finance Lease Obligations       $ 76 $ 223  
Long-Term Finance Lease Obligations       410 368  
Total Finance Lease Obligations       486 591  
Total Long-term Debt       6,157    
Long-term Debt and Lease Obligation [Abstract]            
Principal (including finance lease obligation)       6,671 5,755  
Current debt (including finance lease obligation)       270 1,310  
Long-term debt (including finance lease obligation)       6,373 4,541  
Total Net Carrying Amount of Debt (including finance lease obligation)       6,643 5,851  
Credit Facility [Abstract]            
Proceeds from issuance of debt       $ 5,000 3,550 $ 1,009
Repayments of Debt         2,380 9,420
Convertible Senior Notes [Abstract]            
Share Price (in dollars per share) | $ / shares       $ 46.33    
Amortization of debt discount and other costs       $ 26 49 101
Long-term Debt, by Maturity [Abstract]            
2021       197    
2022       63    
2023       1,313    
2024       662    
2025       1,000    
2026 and thereafter       2,950    
Unamortized discounts       (28)    
Micron Technology, Inc.            
Long-term Debt and Lease Obligation [Abstract]            
Subordinated Debt       6,160    
Revolving credit facility | Credit Facility            
Credit Facility [Abstract]            
Repayments of Debt       $ 2,500    
Corporate Bonds            
Senior Unsecured Notes [Abstract]            
Restricted Subsidiaries, Ownership Percentage by Parent (in hundredths)       80.00%    
Debt Instrument, Redemption Price Percentage, Change in Control Event       101.00%    
Corporate Bonds | 2023 Notes            
Long-term Debt, by Current and Noncurrent [Abstract]            
Stated Rate (exact percentage)       2.497%    
Effective Rate (in ten thousandths)       2.64%    
Principal       $ 1,250 0  
Current Portion of Long-term Debt       0 0  
Noncurrent Long-Term Debt       1,245 0  
Total Long-term Debt       $ 1,245 0  
Corporate Bonds | 2024 Notes            
Long-term Debt, by Current and Noncurrent [Abstract]            
Stated Rate (exact percentage)       4.64%    
Effective Rate (in ten thousandths)       4.76%    
Principal       $ 600 600  
Current Portion of Long-term Debt       0 0  
Noncurrent Long-Term Debt       598 597  
Total Long-term Debt       $ 598 597  
Corporate Bonds | 2026 Notes            
Long-term Debt, by Current and Noncurrent [Abstract]            
Stated Rate (exact percentage)       4.975%    
Effective Rate (in ten thousandths)       5.07%    
Principal       $ 500 500  
Current Portion of Long-term Debt       0 0  
Noncurrent Long-Term Debt       498 497  
Total Long-term Debt       $ 498 497  
Corporate Bonds | 2027 Notes            
Long-term Debt, by Current and Noncurrent [Abstract]            
Stated Rate (exact percentage)       4.185%    
Effective Rate (in ten thousandths)       4.27%    
Principal       $ 900 900  
Current Portion of Long-term Debt       0 0  
Noncurrent Long-Term Debt       895 895  
Total Long-term Debt       $ 895 895  
Corporate Bonds | 2029 Notes            
Long-term Debt, by Current and Noncurrent [Abstract]            
Stated Rate (exact percentage)       5.327%    
Effective Rate (in ten thousandths)       5.40%    
Principal       $ 700 700  
Current Portion of Long-term Debt       0 0  
Noncurrent Long-Term Debt       696 696  
Total Long-term Debt       $ 696 696  
Corporate Bonds | 2030 Notes            
Long-term Debt, by Current and Noncurrent [Abstract]            
Stated Rate (exact percentage)       4.663%    
Effective Rate (in ten thousandths)       4.73%    
Principal       $ 850 850  
Current Portion of Long-term Debt       0 0  
Noncurrent Long-Term Debt       845 845  
Total Long-term Debt       $ 845 845  
Corporate Bonds | 2025 Notes            
Long-term Debt, by Current and Noncurrent [Abstract]            
Stated Rate (exact percentage)       5.50%    
Effective Rate (in ten thousandths)       5.56%    
Principal       $ 0 519  
Current Portion of Long-term Debt       0 0  
Noncurrent Long-Term Debt       0 516  
Total Long-term Debt       $ 0 516  
Credit Facility | Minimum            
Credit Facility [Abstract]            
Debt Covenant, Ratio of Adjusted EBITDA to Net Interest Expense       3.50    
Credit Facility | Maximum            
Credit Facility [Abstract]            
Debt Covenant, Ratio Of Total Debt To Adjusted EBITDA       2.75    
Credit Facility | LIBOR | Minimum            
Credit Facility [Abstract]            
Margin on variable rate financing (in hundredths)       1.25%    
Credit Facility | LIBOR | Maximum            
Credit Facility [Abstract]            
Margin on variable rate financing (in hundredths)       2.00%    
Credit Facility | Term loan facility            
Long-term Debt, by Current and Noncurrent [Abstract]            
Stated Rate (exact percentage)       1.42%    
Effective Rate (in ten thousandths)       1.47%    
Principal       $ 1,250 0  
Current Portion of Long-term Debt       62 0  
Noncurrent Long-Term Debt       1,186 0  
Total Long-term Debt       $ 1,248 0  
Credit Facility [Abstract]            
Proceeds from issuance of debt     $ 1,250      
Percentage of original principal to be repaid annually       5.00%    
Credit Facility | Term loan facility | LIBOR            
Credit Facility [Abstract]            
Margin on variable rate financing (in hundredths)       1.25%    
Credit Facility | Revolving credit facility            
Credit Facility [Abstract]            
Proceeds from issuance of debt   $ 2,500        
Repayments of Debt $ 2,500          
Available Borrowing Capacity under the Credit Facility       $ 2,500    
Credit Facility | Revolving credit facility | LIBOR            
Credit Facility [Abstract]            
Margin on variable rate financing (in hundredths)       1.25%    
Convertible Debt            
Convertible Senior Notes [Abstract]            
Contractual interest expense       $ 4 21 44
Amortization of debt discount and other costs       4 14 $ 32
Equity component of convertible debt included in additional paid in capital       $ 27 29  
Convertible Debt | 2032D Notes            
Long-term Debt, by Current and Noncurrent [Abstract]            
Stated Rate (exact percentage)       3.125%    
Effective Rate (in ten thousandths)       6.33%    
Principal       $ 134 134  
Current Portion of Long-term Debt       131 0  
Noncurrent Long-Term Debt       0 127  
Total Long-term Debt       $ 131 127  
Convertible Senior Notes [Abstract]            
Conversion rights, minimum number of trading days (in days) | d       20    
Conversion rights, consecutive trading period (in days) | d       30    
Conversion rights, threshold percentage of applicable conversion price (in hundredths)       130.00%    
Conversion Price Per Share Threshold (dollars per share) | $ / shares       $ 12.97    
Conversion rights, maximum percentage of product of stock price and conversion rate (in hundredths)       98.00%    
Conversion value of convertible notes       $ 620    
Conversion Value in Excess of Principal       486    
Convertible Debt | IMFT Member Debt            
Long-term Debt, by Current and Noncurrent [Abstract]            
Principal       0 693  
Current Portion of Long-term Debt       0 693  
Noncurrent Long-Term Debt       0 0  
Total Long-term Debt       $ 0 693  
Convertible Debt | 2033F Notes            
Long-term Debt, by Current and Noncurrent [Abstract]            
Stated Rate (exact percentage)       2.125%    
Effective Rate (in ten thousandths)       2.13%    
Principal       $ 0 62  
Current Portion of Long-term Debt       0 196  
Noncurrent Long-Term Debt       0 0  
Total Long-term Debt       0 196  
MMJ Creditor Payments            
Long-term Debt, by Current and Noncurrent [Abstract]            
Principal       1 206  
Current Portion of Long-term Debt       1 198  
Noncurrent Long-Term Debt       0 0  
Total Long-term Debt       $ 1 $ 198