v2.4.0.6
Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified
Jan. 28, 2012
Jan. 29, 2011
Financial assets and liabilities measured at fair value on a recurring basis    
Cash and cash equivalents, short-term investments $ 194 $ 1,129
Other current assets 1,810 1,752
Other noncurrent assets 1,032 999
Other noncurrent liabilities 1,634 1,607
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 669 645
Interest Rate Swap
    
Financial assets and liabilities measured at fair value on a recurring basis    
Number of derivative instruments designated as accounting hedge 1  
Level 1 | Fair value measured on recurring basis
    
Financial assets and liabilities measured at fair value on a recurring basis    
Total 263 1,192
Level 1 | Short-term investments | Fair value measured on recurring basis
    
Financial assets and liabilities measured at fair value on a recurring basis    
Cash and cash equivalents, short-term investments 194 1,129
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 69 63
Level 2 | Fair value measured on recurring basis
    
Financial assets and liabilities measured at fair value on a recurring basis    
Total 505 497
Total 76 54
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 371 358
Level 2 | Interest Rate Swap | Fair value measured on recurring basis
    
Financial assets and liabilities measured at fair value on a recurring basis    
Other current assets 20  
Other noncurrent assets 114 139
Other current liabilities 7  
Other noncurrent liabilities $ 69 $ 54