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Summary of Significant Accounting Policies - Additional Information (Details) $ in Millions | 3 Months Ended | 4 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
May 12, 2019 USD ($) | Feb. 17, 2019 USD ($) | Nov. 25, 2018 USD ($) | May 13, 2018 USD ($) | Feb. 18, 2018 USD ($) | Nov. 26, 2017 USD ($) | Sep. 01, 2019 USD ($) warehouse states | Sep. 02, 2018 USD ($) | Sep. 01, 2019 USD ($) warehouse states | Sep. 02, 2018 USD ($) | Sep. 03, 2017 USD ($) | Nov. 24, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses operated | warehouse |  |  |  |  |  |  | 782 |  | 782 |  |  |
Credit and debit card receivables, at carrying value |  |  |  |  |  |  | $ 1,434 | $ 1,348 | $ 1,434 | $ 1,348 |  |
Bank Overdrafts |  |  |  |  |  |  | 673 | 463 | 673 | 463 |  |
Accrued insurance |  |  |  |  |  |  | 1,222 | 1,148 | 1,222 | 1,148 |  |
Reduction in sales |  |  |  |  |  |  |  |  | $ 1,537 | 1,394 | $ 1,281 |
Minimum number of days of employment to qualify for retirement plan |  |  |  |  |  |  |  |  | 90 days |  |  |
Defined contribution plan, cost recognized |  |  |  |  |  |  |  |  | $ 614 | 578 | 543 |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets |  |  |  |  |  |  | 16 |  | 16 |  |  |
Revenue Recognition, Sales Returns, Reserve for Sales Returns |  |  |  |  |  |  | 698 | 649 | 698 | 649 |  |
Total revenue | $ 34,740 | $ 35,396 | $ 35,069 | $ 32,361 | $ 32,995 | $ 31,809 | 47,498 | 44,411 | 152,703 | 141,576 | 129,025 |
Cost of Goods and Services Sold | 30,233 | 30,720 | 30,623 | 28,131 | 28,733 | 27,617 | $ 41,310 | 38,671 | 132,886 | 123,152 | 111,882 |
Gross Profit |  |  |  |  |  |  |  |  | $ 16,465 |  |  |
UNITED STATES |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses operated | warehouse |  |  |  |  |  |  | 543 |  | 543 |  |  |
Number of states in country | states |  |  |  |  |  |  | 44 |  | 44 |  |  |
CANADA |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses operated | warehouse |  |  |  |  |  |  | 100 |  | 100 |  |  |
MEXICO |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses operated | warehouse |  |  |  |  |  |  | 39 |  | 39 |  |  |
UNITED KINGDOM |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses operated | warehouse |  |  |  |  |  |  | 29 |  | 29 |  |  |
JAPAN |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses operated | warehouse |  |  |  |  |  |  | 26 |  | 26 |  |  |
KOREA |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses operated | warehouse |  |  |  |  |  |  | 16 |  | 16 |  |  |
TAIWAN |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses operated | warehouse |  |  |  |  |  |  | 13 |  | 13 |  |  |
AUSTRALIA |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses operated | warehouse |  |  |  |  |  |  | 11 |  | 11 |  |  |
SPAIN |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses operated | warehouse |  |  |  |  |  |  | 2 |  | 2 |  |  |
ICELAND |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses operated | warehouse |  |  |  |  |  |  | 1 |  | 1 |  |  |
FRANCE |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses operated | warehouse |  |  |  |  |  |  | 1 |  | 1 |  |  |
CHINA |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses operated | warehouse |  |  |  |  |  |  | 1 |  | 1 |  |  |
Building and Building Improvements [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment, useful life |  |  |  |  |  |  |  |  | 5 years |  |  |
Building and Building Improvements [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment, useful life |  |  |  |  |  |  |  |  | 50 years |  |  |
Furniture and Fixtures [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment, useful life |  |  |  |  |  |  |  |  | 3 years |  |  |
Furniture and Fixtures [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment, useful life |  |  |  |  |  |  |  |  | 20 years |  |  |
Software [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment, useful life |  |  |  |  |  |  |  |  | 3 years |  |  |
Software [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment, useful life |  |  |  |  |  |  |  |  | 7 years |  |  |
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 |  |  |  |  |  |  | $ 704 | 717 | $ 704 | 717 |  |
Product [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total revenue | 33,964 | 34,628 | 34,311 | 31,624 | 32,279 | 31,117 | 46,448 | 43,414 | 149,351 | 138,434 | 126,172 |
Membership [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Deferred Revenue |  |  |  |  |  |  | 1,711 | 1,624 | 1,711 | 1,624 |  |
Total revenue | $ 776 | $ 768 | $ 758 | $ 737 | $ 716 | $ 692 | $ 1,050 | $ 997 | 3,352 | $ 3,142 | $ 2,853 |
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cost of Goods and Services Sold |  |  |  |  |  |  |  |  | 1,324 |  |  |
Gross Profit |  |  |  |  |  |  |  |  | 8 |  |  |
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Product [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  | 1,332 |  |  |
Calculated under Revenue Guidance in Effect before Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cost of Goods and Services Sold |  |  |  |  |  |  |  |  | 131,562 |  |  |
Gross Profit |  |  |  |  |  |  |  |  | 16,457 |  |  |
Calculated under Revenue Guidance in Effect before Topic 606 [Member] | Product [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  | $ 148,019 |  |  |
Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Operating Lease, Right-of-Use Asset |  |  |  |  |  |  |  |  |  |  |  | $ 2,400

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