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Debt (Additional Information) (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 02, 2018
Sep. 03, 2017
Aug. 28, 2016
May 18, 2017
Feb. 17, 2015
Dec. 07, 2012
Debt Instrument [Line Items]            
Long-term Debt $ 6,577 $ 6,659        
Long-term Debt, Fair Value 6,492 6,753        
Repayments of Long-term Debt $ 86 $ 2,200 $ 1,288      
May 2017 Senior Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount       $ 3,800    
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          
Debt instrument, frequency of periodic payment Interest is payable semi-annually          
Debt Instrument, Redemption Price, Percentage 100.00%          
Redemption Price Certain Events           101.00%
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          
Debt instrument, frequency of periodic payment Interest is payable semi-annually          
Debt Instrument, Redemption Price, Percentage 100.00%          
Redemption Price Certain Events         101.00%  
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          
Debt instrument, frequency of periodic payment Interest is payable semi-annually          
Debt Instrument, Redemption Price, Percentage 100.00%          
Redemption Price Certain Events       101.00%    
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          
Debt instrument, frequency of periodic payment Interest is payable semi-annually          
Debt Instrument, Redemption Price, Percentage 100.00%          
Redemption Price Certain Events         101.00%  
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          
Debt instrument, frequency of periodic payment Interest is payable semi-annually          
Debt Instrument, Redemption Price, Percentage 100.00%          
Redemption Price Certain Events       101.00%    
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          
Debt instrument, frequency of periodic payment Interest is payable semi-annually          
Debt Instrument, Redemption Price, Percentage 100.00%          
Redemption Price Certain Events       101.00%    
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          
Debt instrument, frequency of periodic payment Interest is payable semi-annually          
Debt Instrument, Redemption Price, Percentage 100.00%          
Redemption Price Certain Events       101.00%