Condensed Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
May 10, 2015	May 11, 2014
CASH FLOWS FROM OPERATING ACTIVITIES
Net income including noncontrolling interests	$ 1,631us-gaap_ProfitLoss	$ 1,383us-gaap_ProfitLoss
Adjustments to reconcile net income including noncontrolling interests to net cash provided by operating activities:
Depreciation and amortization	776	708
Stock-based compensation	301us-gaap_ShareBasedCompensation	251us-gaap_ShareBasedCompensation
Excess tax benefits on stock-based awards	(84)	(75)
Other non-cash operating activities, net	12us-gaap_OtherNoncashIncomeExpense	19us-gaap_OtherNoncashIncomeExpense
Deferred income taxes	(42)	(2)
Changes in operating assets and liabilities:
Increase in merchandise inventories	(680)us-gaap_IncreaseDecreaseInInventories	(584)us-gaap_IncreaseDecreaseInInventories
Increase in accounts payable	786	603
Other operating assets and liabilities, net	557	839
Net cash provided by operating activities	3,257	3,142
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of short-term investments	(1,033)	(1,856)
Maturities and sales of short-term investments	860	1,800
Additions to property and equipment	(1,588)	(1,426)
Other investing activities, net	(14)	(5)
Net cash used in investing activities	(1,775)	(1,487)
CASH FLOWS FROM FINANCING ACTIVITIES
Change in bank checks outstanding	(128)	(74)
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Proceeds from short-term borrowings	52us-gaap_ProceedsFromShortTermDebt	59us-gaap_ProceedsFromShortTermDebt
Proceeds from issuance of long-term debt	1,037	0
Proceeds from exercise of stock options	39	22
Minimum tax withholdings on stock-based awards	(178)	(164)
Excess tax benefits on stock-based awards	84	75
Repurchases of common stock	(225)	(171)
Cash dividend payments	(2,514)us-gaap_PaymentsOfDividends	(273)us-gaap_PaymentsOfDividends
Other financing activities, net	(10)	(1)
Net cash used in financing activities	(1,843)	(542)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(314)	(21)
Net (decrease)/increase in cash and cash equivalents	(675)	1,092
CASH AND CASH EQUIVALENTS BEGINNING OF YEAR	5,738	4,644
CASH AND CASH EQUIVALENTS END OF PERIOD	5,063	5,736
Cash paid during the first thirty-six weeks of year for:
Interest (reduced by $9 and $8 interest capitalized in 2015 and 2014, respectively)	93us-gaap_InterestPaidNet	85us-gaap_InterestPaidNet
Income taxes, net	609us-gaap_IncomeTaxesPaid	299us-gaap_IncomeTaxesPaid
SUPPLEMENTAL DISCLOSURE OF NON-CASH FINANCING ACTIVITIES:
Cash dividend declared, but not yet paid	$ 176	$ 156

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Period Type:	duration

- Definition

The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

+ References

+ Details

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- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

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- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 55

-Paragraph 4K

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-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (a),(c)

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-Paragraph 4J

-URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686

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- Definition

The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

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-Publisher FASB

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-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

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