|
Fair Value Disclosures (Other Financial Instruments) (Details) (USD $)
In Millions, unless otherwise specified |
May 02, 2015
|
Jan. 31, 2015
|
May 03, 2014
|
|---|---|---|---|
| Fair Value Disclosures [Abstract] | |||
| Long-term debt, including current maturities, Carrying Amount | $ 5,343 | $ 5,350 | $ 4,857 |
| Long-term debt, including current maturities, Fair Value | $ 5,028 | $ 4,834 | $ 4,363 |