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Equity - Capped Calls (Details) - USD ($)
$ / shares in Units, shares in Millions
12 Months Ended
Sep. 01, 2016
Sep. 03, 2015
Aug. 28, 2014
Aug. 29, 2013
Aug. 30, 2012
Option Indexed to Issuer's Equity [Line Items]          
Value at Expiration $ 0 $ 0      
Treasury Stock, held (in shares) 54 45      
Call Option | Convertible Debt          
Option Indexed to Issuer's Equity [Line Items]          
Treasury Stock, held (in shares) 2        
Call Option | Convertible Debt | 2031A and 2031B convertible senior notes          
Option Indexed to Issuer's Equity [Line Items]          
Treasury Stock, retired (in shares)     3    
Call Option | Purchased options | Convertible Debt          
Option Indexed to Issuer's Equity [Line Items]          
Underlying Common Shares (in shares) 148        
Capped call settlement shares received 2        
Capped call settlement, dollar value of shares received $ 23,000,000        
Call Option | Purchased options | Convertible Debt | Minimum          
Option Indexed to Issuer's Equity [Line Items]          
Value at Expiration 0        
Call Option | Purchased options | Convertible Debt | Maximum          
Option Indexed to Issuer's Equity [Line Items]          
Value at Expiration $ 719,000,000        
Call Option | Purchased options | Convertible Debt | 2032C and 2032D convertible senior notes          
Option Indexed to Issuer's Equity [Line Items]          
Cash paid for capped call transactions         $ 103,000,000
Call Option | Purchased options | Convertible Debt | 2033E and 2033F convertible senior notes          
Option Indexed to Issuer's Equity [Line Items]          
Cash paid for capped call transactions       $ 48,000,000  
Call Option | Purchased options | Convertible Debt | 2032C convertible senior notes          
Option Indexed to Issuer's Equity [Line Items]          
Strike price (in dollars per share) $ 9.80        
Underlying Common Shares (in shares) 50        
Call Option | Purchased options | Convertible Debt | 2032C convertible senior notes | Minimum          
Option Indexed to Issuer's Equity [Line Items]          
Cap Price Range $ 14.62        
Value at Expiration $ 0        
Call Option | Purchased options | Convertible Debt | 2032C convertible senior notes | Maximum          
Option Indexed to Issuer's Equity [Line Items]          
Cap Price Range $ 15.69        
Value at Expiration $ 279,000,000        
Call Option | Purchased options | Convertible Debt | 2032D convertible senior notes          
Option Indexed to Issuer's Equity [Line Items]          
Strike price (in dollars per share) $ 10.16        
Underlying Common Shares (in shares) 44        
Call Option | Purchased options | Convertible Debt | 2032D convertible senior notes | Minimum          
Option Indexed to Issuer's Equity [Line Items]          
Cap Price Range $ 14.62        
Value at Expiration $ 0        
Call Option | Purchased options | Convertible Debt | 2032D convertible senior notes | Maximum          
Option Indexed to Issuer's Equity [Line Items]          
Cap Price Range $ 16.04        
Value at Expiration $ 244,000,000        
Call Option | Purchased options | Convertible Debt | 2033E convertible senior notes          
Option Indexed to Issuer's Equity [Line Items]          
Strike price (in dollars per share) $ 10.93        
Underlying Common Shares (in shares) 27        
Call Option | Purchased options | Convertible Debt | 2033E convertible senior notes | Minimum          
Option Indexed to Issuer's Equity [Line Items]          
Cap Price Range $ 14.51        
Value at Expiration $ 0        
Call Option | Purchased options | Convertible Debt | 2033E convertible senior notes | Maximum          
Option Indexed to Issuer's Equity [Line Items]          
Cap Price Range $ 14.51        
Value at Expiration $ 98,000,000        
Call Option | Purchased options | Convertible Debt | 2033F convertible senior note          
Option Indexed to Issuer's Equity [Line Items]          
Strike price (in dollars per share) $ 10.93        
Underlying Common Shares (in shares) 27        
Call Option | Purchased options | Convertible Debt | 2033F convertible senior note | Minimum          
Option Indexed to Issuer's Equity [Line Items]          
Cap Price Range $ 14.51        
Value at Expiration $ 0        
Call Option | Purchased options | Convertible Debt | 2033F convertible senior note | Maximum          
Option Indexed to Issuer's Equity [Line Items]          
Cap Price Range $ 14.51        
Value at Expiration $ 98,000,000        
Call Option | Purchased options | Convertible Debt | 2031A and 2031B convertible senior notes          
Option Indexed to Issuer's Equity [Line Items]          
Capped call settlement shares received   3 3    
Capped call settlement, dollar value of shares received   $ 50,000,000 $ 86,000,000