|
Stockholders' Equity (Comprehensive Income) (Details) (USD $)
In Millions |
3 Months Ended | |
|---|---|---|
|
Apr. 30, 2011
|
May 01, 2010
|
|
| Stockholders Equity Disclosure [Abstract] | Â | Â |
| Net income | $ 64 | $ 60 |
| Amortization of net actuarial loss and prior service cost | 19 | 35 |
| Unrealized gain in REITs | 23 | 30 |
| Total other comprehensive income | 42 | 65 |
| Total comprehensive income | $ 106 | $ 125 |