|
Fair Value Disclosures (Other Financial Instruments) (Details) (USD $)
In Millions, unless otherwise specified |
Jul. 28, 2012
|
Jan. 28, 2012
|
Jul. 30, 2011
|
|---|---|---|---|
| Fair Value Disclosures | |||
| Long-term debt, including current maturities, Carrying Amount | $ 3,151 | $ 3,102 | $ 3,099 |
| Long-term debt, including current maturities, Fair Value | 2,651 | 3,046 | 3,104 |
| Cost investment, Carrying Value | $ 36 | $ 36 |