|
Stockholders' Equity (Components of Other Comprehensive Income/ (Loss) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Aug. 02, 2014
|
Aug. 03, 2013
|
Aug. 02, 2014
|
Aug. 03, 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 (gain)/loss, gross amount | 16 | 44 | 33 | 88 |
| Reclassification for amortization of net actuarial (gain)/loss, tax | (7) | (17) | (13) | (33) |
| Reclassification for amortization of net actuarial (gain)/loss, net | 9 | 27 | 20 | 55 |
| Reclassification for amortization of prior service (credit)/cost, gross amount | 1 | 0 | (1) | |
| Reclassification for amortization of prior service (credit)/cost, tax | 0 | 0 | 0 | 0 |
| Reclassification for amortization of prior service (credit)/cost, net amount | 1 | 0 | 0 | (1) |
| Total, gross amount | 17 | 40 | 33 | 87 |
| Total, tax | (7) | (16) | (13) | (33) |
| Total, net of tax | $ 10 | $ 24 | $ 20 | $ 54 |