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Commitments and Contingencies Purchase Pbligations And Commitments Table (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 02, 2013		Jan. 28, 2012	Jan. 29, 2011
Unrecorded Unconditional Purchase Obligation [Line Items]
Unrecorded Unconditional Purchase Obligation, Due in Next Twelve Months	$ 3,029	[1]
Unrecorded Unconditional Purchase Obligation, Due within Three Years	190	[1]
Unrecorded Unconditional Purchase Obligation, Due within Five Years	12	[1]
Unrecorded Unconditional Purchase Obligation, Due after Five Years	0	[1]
Unrecorded Unconditional Purchase Obligation	3,231	[1]
Loss Contingency, Estimate of Possible Loss	0		0
IBM Service Agreement [Member]
Unrecorded Unconditional Purchase Obligation [Line Items]
Unrecorded Unconditional Purchase Obligation, Purchases	95		107	118
Unrecorded Unconditional Purchase Obligation	$ 267
[1] (1)Represents estimated open purchase orders to purchase inventory as well as commitments for products and services used in the normal course of business.

X

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the fifth fiscal year following the latest fiscal year.

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Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the next fiscal year following the latest fiscal year.

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Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the third fiscal year following the latest fiscal year.

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Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

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Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing after the fifth fiscal year following the latest fiscal year.

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The amount purchased during the period under an unrecorded unconditional purchase obligation (for example, under the take-or-pay or throughput contract).

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