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Note 11 Unrecognized Stock Based Compensation Expense (Details)
$ in Millions
3 Months Ended
Dec. 30, 2017
USD ($)
Employee stock options  
Unrecognized Compensation Cost and Weighted Average Period [Line Items]  
Unrecognized compensation expense $ 4
Weighted average period of recognition (years) 1 year
Restricted stock units  
Unrecognized Compensation Cost and Weighted Average Period [Line Items]  
Unrecognized compensation expense $ 48
Weighted average period of recognition (years) 2 years
Performance Shares  
Unrecognized Compensation Cost and Weighted Average Period [Line Items]  
Unrecognized compensation expense $ 20