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Net Income per Common and Common Equivalent Share - Schedule of Earnings per Share Effect on Net Income and Weighted Average Number of Dilutive Potential Common Stock (Details) - USD ($)
shares in Thousands, $ in Millions
3 Months Ended 6 Months Ended
Feb. 12, 2017
Feb. 14, 2016
Feb. 12, 2017
Feb. 14, 2016
Earnings Per Share [Abstract]        
Net income available to common stockholders used in basic and diluted net income per common share $ 515 $ 546 $ 1,060 $ 1,026
Weighted average number of common shares used in basic net income per common share 439,127 439,648 438,567 438,990
RSUs 1,522 1,900 1,993 2,456
Conversion of convertible notes 8 11 8 11
Weighted average number of common shares and dilutive potential of common stock used in diluted net income per share 440,657 441,559 440,568 441,457