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Stock Repurchase Program - Additional Information (Detail) - USD ($) shares in Thousands |  | 2 Months Ended | 12 Months Ended | 260 Months Ended |
--- | --- | --- | --- | --- | ---
Oct. 07, 2019 | Oct. 22, 2019 | Aug. 31, 2019 | Aug. 25, 2018 | Aug. 26, 2017 | Aug. 31, 2019 | Sep. 26, 2018
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Stock repurchased cumulative, shares |  |  | 2,182 | 2,398 | 1,495 | 146,900 |
Purchase of treasury stock |  |  | $ 2,004,896,000 | $ 1,592,013,000 | $ 1,071,649,000 | $ 21,423,000,000 |
Stock repurchase authorized |  |  | 21,900,000,000 | 19,650,000,000 |  | 21,900,000,000 | $ 20,900,000,000
Stock Repurchase Program 1998 [Member] |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Stock repurchase authorized |  |  | 23,200,000,000 |  |  | $ 23,200,000,000 |
Retained Deficit [Member] |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Retirement of treasury shares |  |  | 1,706,971,000 | 918,462,000 | 1,321,070,000 |  |
Additional Paid-In Capital [Member] |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Retirement of treasury shares |  |  | $ 125,442,000 | $ 60,500,000 | $ 64,943,000 |  |
Common Stock [Member] |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Share of treasury stock retired |  |  | 2,563 | 1,512 | 1,804 |  |
Retirement of treasury shares |  |  | $ 26,000 | $ 15,000 | $ 18,000 |  |
Subsequent Events [Member] |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Stock repurchased cumulative, shares |  | 259,384 |  |  |  |  |
Purchase of treasury stock |  | $ 284,600,000 |  |  |  |  |
Increase in authorization of stock repurchase, value | $ 1,250,000,000 |  |  |  |  |  |
Remaining value authorized for share repurchases |  | $ 1,440,000,000 |  |  |  |  |

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