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