|
Stockholders' Equity (Components of Other Comprehensive Income/ (Loss) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
May 03, 2014
|
May 04, 2013
|
|
| Stockholders' Equity Note [Abstract] | ||
| Unrealized gain/(loss), gross amount | $ 0 | $ 4 |
| Unrealized gain/(loss) on REITs, tax | 0 | (1) |
| Unrealized gain/(loss), net amount | 0 | 3 |
| Reclassification for amortization of net actuarial loss/(gain), gross amount | 17 | 44 |
| Reclassification for amortization of net actuarial loss/(gain), tax | (6) | (16) |
| Reclassification for amortization of net actuarial loss/(gain), net | 11 | 28 |
| Reclassification for amortization of prior service cost/(credit), gross amount | (1) | (1) |
| Reclassification for amortization of prior service cost/(credit), tax | 0 | 0 |
| Reclassification for amortization of prior service cost/(credit), net amount | (1) | (1) |
| Total, gross amount | 16 | 47 |
| Total, tax | (6) | (17) |
| Total other comprehensive income/(loss), net of tax | $ 10 | $ 30 |