|
Stockholders' Equity (Components of Other Comprehensive Income/ (Loss) (Details) (USD $)
In Millions, unless otherwise specified
|
3 Months Ended |
|
May 04, 2013
|
Apr. 28, 2012
|
| Stockholders' Equity [Abstract] |
|
|
| Unrealized gain/(loss) on REITs, gross amount |
$ 4 |
$ 43 |
| Unrealized gain/(loss) on REITs, tax |
(1) |
(16) |
| Unrealized gain/(loss) on REITs, net amount |
3 |
27 |
| Reclassification for amortization of net actuarial (gain)/loss included in net periodic benefit expense/(income), gross amount |
44 |
64 |
| Reclassification for amortization of net actuarial (gain)/loss included in net periodic benefit expense/(income), tax |
(16) |
(24) |
| Reclassification for amortization of net actuarial (gain)/loss included in net periodic benefit expense/(income), net amount |
28 |
40 |
| Reclassification for amortization of prior service (credit)/cost included in net periodic benefit expense/(income), gross amount |
(1) |
(4) |
| Reclassification for amortization of prior service (credit)/cost included in net periodic benefit expense/(income), tax |
|
2 |
| Reclassification for amortization of prior service (credit)/cost included in net periodic benefit expense, net amount |
(1) |
(2) |
| Other Comprehensive Income (Loss), before Tax, Total |
47 |
103 |
| Accumulated other comprehensive (loss), Deferred Tax Asset |
(17) |
(38) |
| Total other comprehensive income/(loss), net of tax |
$ 30 |
$ 65 |