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Stock-Based Compensation Plans - Summary of Stock-Based Compensation Expense (Details) - USD ($)
$ in Millions
3 Months Ended
Nov. 20, 2016
Nov. 22, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Total stock-based compensation expense before income taxes $ 211 $ 186
Less recognized income tax benefit (69) (63)
Total stock-based compensation expense, net of income taxes $ 142 $ 123