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Summary of Significant Accounting Policies - Additional Information (Details) $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Sep. 02, 2019 USD ($) | Aug. 30, 2020 USD ($) warehouse states | Sep. 01, 2019 USD ($) | Sep. 02, 2018 USD ($) | Feb. 27, 2020
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse |  | 795 |  |  |
Credit and debit card receivables, at carrying value |  | $ 1,636 | $ 1,434 |  |
Bank Overdrafts |  | 810 | 673 |  |
Accrued insurance |  | 1,188 | 1,222 |  |
Reduction in sales |  | $ 1,707 | 1,537 | $ 1,394 |
Minimum number of days of employment to qualify for retirement plan |  | 90 days |  |  |
Defined contribution plan, cost recognized |  | $ 676 | 614 | 578 |
Land |  | 6,696 | 6,417 |  |
Buildings and improvements |  | 17,982 | 17,136 |  |
Equipment and fixtures |  | 8,749 | 7,801 |  |
Construction in progress |  | 1,276 | 1,272 |  |
Property, Plant and Equipment, Gross |  | 34,703 | 32,626 |  |
Accumulated Depreciation and Amortization |  | (12,896) | (11,736) |  |
Property, Plant and Equipment, Net |  | 21,807 | 20,890 | 19,681 |
Goodwill |  | 988 | 53 |  |
Goodwill, Foreign Currency Translation Gain (Loss) |  | 1 |  |  |
Goodwill, Acquired During Period |  | $ 934 |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  | 35.00%
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification (Deprecated 2020-01-31) | $ 2,632 |  |  |  |
UNITED STATES |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse |  | 552 |  |  |
Number of states in country | states |  | 45 |  |  |
UNITED STATES | Operating Segments |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property, Plant and Equipment, Net |  | $ 14,916 | 14,367 | 13,353 |
Goodwill |  | 947 | 13 |  |
Goodwill, Foreign Currency Translation Gain (Loss) |  | 0 |  |  |
Goodwill, Acquired During Period |  | $ 934 |  |  |
CANADA |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse |  | 101 |  |  |
CANADA | Operating Segments |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property, Plant and Equipment, Net |  | $ 2,172 | 2,044 | 1,900 |
Goodwill |  | 27 | 27 |  |
Goodwill, Foreign Currency Translation Gain (Loss) |  | 0 |  |  |
Goodwill, Acquired During Period |  | $ 0 |  |  |
MEXICO |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse |  | 39 |  |  |
UNITED KINGDOM |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse |  | 29 |  |  |
JAPAN |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse |  | 27 |  |  |
KOREA |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse |  | 16 |  |  |
TAIWAN |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse |  | 13 |  |  |
AUSTRALIA |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse |  | 12 |  |  |
SPAIN |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse |  | 3 |  |  |
ICELAND |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse |  | 1 |  |  |
FRANCE |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse |  | 1 |  |  |
CHINA |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warehouses operated | warehouse |  | 1 |  |  |
Other International Operations | Operating Segments |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property, Plant and Equipment, Net |  | $ 4,719 | 4,479 | $ 4,428 |
Goodwill |  | 14 | 13 |  |
Goodwill, Foreign Currency Translation Gain (Loss) |  | 1 |  |  |
Goodwill, Acquired During Period |  | $ 0 |  |  |
Employees [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Share-based compensation arrangement by share-based payment award, award vesting period |  | 5 years |  |  |
Forward foreign exchange contracts |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Derivative, Notional Amount |  | $ 1,036 | 704 |  |
Membership [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Deferred Revenue |  | $ 1,851 | $ 1,711 |  |

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