Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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A disclosure of an assertion that the amount of cash flow hedge ineffectiveness is immaterial.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer.

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Maximum period of time the entity is hedging its exposure to variability in future cash flows for forecasted transactions, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes forecasted transactions related to payment of variable interest on existing financial instruments.

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Maximum period the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Financial Instruments (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended		12 Months Ended
	Jan. 28, 2018	Oct. 29, 2017	Jan. 29, 2017	Jan. 28, 2018	Jan. 29, 2017	Jul. 30, 2017	Feb. 28, 2018	Oct. 16, 2017
Derivatives, Fair Value [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months				$ (8)
Cash Flow Hedge Ineffectiveness is Immaterial				The ineffective portion and amount excluded from effectiveness testing were not material.
Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Margin Deposit Assets	$ 1			$ 1		$ 1
Foreign Exchange Contract [Member]
Derivatives, Fair Value [Line Items]
Contracts Mature Within, Months				18 months
Derivative, Loss on Derivative	(5)		$ (2)	$ 1	$ 1
Interest Rate Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative, Loss on Derivative	7	$ 22	$ 19	$ 10	$ 29
Commodity Derivative Contracts [Member]
Derivatives, Fair Value [Line Items]
Maximum Length of Contract Maturity				18 months
Deferred Compensation Derivative Contracts [Member]
Derivatives, Fair Value [Line Items]
Maximum Length of Contract Maturity				12 months
Derivatives Designated As Hedges [Member] \| Foreign Exchange Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	70			$ 70		84
Derivatives Designated As Hedges [Member] \| Interest Rate Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	300			300		300		$ 300
Derivatives Designated As Hedges [Member] \| Commodity Derivative Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	0			0		0
Derivatives Not Designated As Hedges [Member] \| Foreign Exchange Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	148			148		336
Derivatives Not Designated As Hedges [Member] \| Currency Swap [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	0			0		0
Derivatives Not Designated As Hedges [Member] \| Treasury Lock [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	200			200
Derivatives Not Designated As Hedges [Member] \| Commodity Derivative Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	84			84		90
Derivatives Not Designated As Hedges [Member] \| Embedded Derivative Financial Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	75			75		35
Derivatives Not Designated As Hedges [Member] \| Deferred Compensation Derivative Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 42			$ 42		$ 43
Wal-Mart Stores, Inc. [Member] \| Customer Concentration Risk [Member] \| Sales Revenue, Net [Member]
Derivatives, Fair Value [Line Items]
Entity Wide Revenue, Major Customer, Percentage Of Net Sales						20.00%
Top Five Customers [Member] \| Customer Concentration Risk [Member] \| Sales Revenue, Net [Member]
Derivatives, Fair Value [Line Items]
Entity Wide Revenue, Major Customer, Percentage Of Net Sales						39.00%
Subsequent Event [Member] \| Derivatives Not Designated As Hedges [Member] \| Treasury Lock [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount							$ 2,100