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Summary of Significant Accounting Policies - Additional Information (Detail) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Feb. 14, 2016 USD ($) warehouse states | Feb. 15, 2015 USD ($) | Feb. 14, 2016 USD ($) warehouse states | Feb. 15, 2015 USD ($) | Aug. 30, 2015 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse | 698 |  | 698 |  |
Inventory, LIFO reserve, period charge (benefit) | $ (15) |  | $ (20) |  |
Inventory LIFO reserve cumulative impact | 62 |  | 62 |  | $ 82
Gain (loss) on foreign currency derivative instruments not designated as hedging instruments |  | $ (12) |  | $ 11 |
Foreign currency transaction gain (loss), before tax | 11 | $ 14 | 30 | $ 12 |
Other current assets | 313 |  | 313 |  | 228
Other liabilities | 835 |  | 835 |  | 783
Other assets | 794 |  | 794 |  | 837
New Accounting Pronouncement, Early Adoption, Effect |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Other current assets | (520) |  | (520) |  |
Other liabilities | (410) |  | (410) |  |
Other assets | 109 |  | 109 |  |
Forward Foreign-exchange Contracts |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Notional amount of forward foreign-exchange derivative | $ 715 |  | $ 715 |  | $ 889
UNITED STATES |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse | 488 |  | 488 |  |
Number of states in country | states | 43 |  | 43 |  |
CANADA |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse | 90 |  | 90 |  |
MEXICO |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse | 36 |  | 36 |  |
UNITED KINGDOM |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse | 27 |  | 27 |  |
JAPAN |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse | 24 |  | 24 |  |
KOREA, REPUBLIC OF |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse | 12 |  | 12 |  |
TAIWAN, PROVINCE OF CHINA |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse | 11 |  | 11 |  |
AUSTRALIA |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse | 8 |  | 8 |  |
SPAIN |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse | 2 |  | 2 |  |

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