Summary of Significant Accounting Policies - Additional Information (Details)	3 Months Ended							4 Months Ended		12 Months Ended
	May 13, 2018 USD ($)	Feb. 18, 2018 USD ($)	Nov. 26, 2017 USD ($)	May 07, 2017 USD ($)	[1]	Feb. 12, 2017 USD ($)	Nov. 20, 2016 USD ($)	Sep. 02, 2018 USD ($) warehouse states	Sep. 03, 2017 USD ($)	Sep. 02, 2018 USD ($) warehouse states	Sep. 03, 2017 USD ($)	Aug. 28, 2016 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount										$ 142,000,000
Number of warehouses operated | warehouse								762		762
Credit and debit card receivables, at carrying value								$ 1,348,000,000	$ 1,255,000,000	$ 1,348,000,000	$ 1,255,000,000
Bank Overdrafts								463,000,000	383,000,000	463,000,000	383,000,000
Inventory, LIFO Reserve, Effect on Income, Net												$ (64,000,000)
Accrued insurance								1,148,000,000	1,059,000,000	$ 1,148,000,000	1,059,000,000
Foreign currency transaction gain (loss), before tax												38,000,000
Maximum reward rebate percentage per customer yearly										2.00%
Maximum reward rebate amount per customer yearly										$ 1,000
Reduction in sales										$ 1,394,000,000	1,281,000,000	1,172,000,000
Minimum number of days of employment to qualify for retirement plan										90 days
Defined contribution plan, cost recognized										$ 578,000,000	543,000,000	489,000,000
OTHER LIABILITIES								1,314,000,000	1,200,000,000	1,314,000,000	1,200,000,000
OTHER ASSETS								860,000,000	869,000,000	860,000,000	869,000,000
Other current assets								321,000,000	272,000,000	321,000,000	272,000,000
Income Tax Expense (Benefit)	$ 309,000,000	$ 273,000,000	$ 285,000,000	$ 259,000,000		$ 288,000,000	$ 291,000,000	$ 396,000,000	487,000,000	$ 1,263,000,000	1,325,000,000	$ 1,243,000,000
UNITED STATES
Summary Of Significant Accounting Policies [Line Items]
Number of warehouses operated | warehouse								527		527
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								28		28
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								15		15
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								10		10
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
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]
Notional amount of forward foreign - exchange derivative								$ 717,000,000	$ 637,000,000	$ 717,000,000	$ 637,000,000
Accounting Standards Update 2016-09 [Member]
Summary Of Significant Accounting Policies [Line Items]
Income Tax Expense (Benefit)										$ (33,000,000)

[1] Includes an $82 tax benefit recorded in the third quarter in connection with the special cash dividend paid to employees through the Company's 401(k) Retirement Plan.