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Debt (Carrying Value and Estimated Fair Value of Company's Long-term Debt) (Details) - USD ($)
$ in Millions
8 Months Ended
May 12, 2019
Sep. 02, 2018
Debt Instrument [Line Items]    
Total long-term debt, Face value $ 6,529 $ 6,613
Less unamortized debt discounts and issuance costs, Net 31 36
Current portion of long-term debt 1,699 90
Long-term debt, excluding current portion 4,799 6,487
Total long-term debt, fair value $ 6,519 6,492
1.7% Senior Notes Due December 2019    
Debt Instrument [Line Items]    
Debt instrument, interest rate, stated percentage 1.70%  
Debt instrument, maturity date Dec. 15, 2019  
Total long-term debt, Face value $ 1,200 1,200
1.75% Senior Notes Due February 2020    
Debt Instrument [Line Items]    
Debt instrument, interest rate, stated percentage 1.75%  
Debt instrument, maturity date Feb. 15, 2020  
Total long-term debt, Face value $ 500 500
2.15% Senior Notes Due May 2021    
Debt Instrument [Line Items]    
Debt instrument, interest rate, stated percentage 2.15%  
Debt instrument, maturity date May 18, 2021  
Total long-term debt, Face value $ 1,000 1,000
2.25% Senior Notes Due February 2022    
Debt Instrument [Line Items]    
Debt instrument, interest rate, stated percentage 2.25%  
Debt instrument, maturity date Feb. 15, 2022  
Total long-term debt, Face value $ 500 500
2.30% Senior Notes Due May 2022    
Debt Instrument [Line Items]    
Debt instrument, interest rate, stated percentage 2.30%  
Debt instrument, maturity date May 18, 2022  
Total long-term debt, Face value $ 800 800
2.75% Senior Notes Due May 2024    
Debt Instrument [Line Items]    
Debt instrument, interest rate, stated percentage 2.75%  
Debt instrument, maturity date May 18, 2024  
Total long-term debt, Face value $ 1,000 1,000
3.00% Senior Notes Due May 2027    
Debt Instrument [Line Items]    
Debt instrument, interest rate, stated percentage 3.00%  
Debt instrument, maturity date May 18, 2027  
Total long-term debt, Face value $ 1,000 1,000
Other Long-term Debt    
Debt Instrument [Line Items]    
Total long-term debt, Face value $ 529 $ 613