Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified	Oct. 29, 2011	Jan. 29, 2011	Oct. 30, 2010
Financial assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents, marketable securities	$ 66	$ 1,129	$ 349
Other current assets	1,948	1,752	1,905
Other noncurrent assets	1,035	999	1,013
Other noncurrent liabilities	1,689	1,607	1,786
Level 1 \| Prepaid forward contracts \| Fair value measured on recurring basis
Financial assets and liabilities measured at fair value on a recurring basis
Other current assets	70	63	62
Level 1 \| Fair value measured on recurring basis
Financial assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents, marketable securities	66	1,129	349
Total	136	1,192	411
Level 2 \| Interest rate swaps \| Fair value measured on recurring basis
Financial assets and liabilities measured at fair value on a recurring basis
Other noncurrent assets	136	139	172
Other noncurrent liabilities	71	54	80
Level 2 \| Company-owned life insurance investments \| Fair value measured on recurring basis
Financial assets and liabilities measured at fair value on a recurring basis
Other noncurrent assets	365	358	352
Level 2 \| Fair value measured on recurring basis
Financial assets and liabilities measured at fair value on a recurring basis
Other current assets	6
Total	507	497	524
Total	71	54	80
Interest rate swaps
Financial assets and liabilities measured at fair value on a recurring basis
Number of derivative instruments designated as accounting hedge	1
Company-owned life insurance investments \| Fair value measured on recurring basis
Financial assets and liabilities measured at fair value on a recurring basis
Company-owned life insurance investments	$ 665	$ 645	$ 636

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

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- Definition

The number of derivative instruments of a particular group held by the entity.

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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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This element represents the aggregate of the liabilities reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

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- Definition

Gross amount of loans made to policy and contract holders using their life insurance contracts' cash value or separate accounts as collateral.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Total debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale which are intended to be held for less than one year or the normal operating cycle, whichever is longer.

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Aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

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