|
Stockholders' Equity (Comprehensive Income) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Oct. 29, 2011
|
Oct. 30, 2010
|
Oct. 29, 2011
|
Oct. 30, 2010
|
|
| Stockholders Equity Disclosure [Abstract] | ||||
| Net (loss)/income | $ (143) | $ 44 | $ (65) | $ 118 |
| Remeasurement of supplemental plans (Note 9) | (33) | (33) | ||
| Amortization of net actuarial loss and prior service cost | 15 | 35 | 53 | 105 |
| Unrealized gain in REITs | 10 | 11 | 40 | 41 |
| Total other comprehensive (loss)/income | (8) | 46 | 60 | 146 |
| Total comprehensive (loss)/income | $ (151) | $ 90 | $ (5) | $ 264 |