Stockholders' Equity Stockholders' Equity (Reclassifications Out of Accumulated Other Comprehensive Income/ (Loss) (Details) (Details) - USD ($)
$ in Millions |
12 Months Ended |
Jan. 30, 2016 |
Jan. 31, 2015 |
Feb. 01, 2014 |
| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |
|
|
|
|
|
|
| Reclassification adjustment for (gain)/loss on REITs included in net income/(loss), gross amount |
|
|
|
|
$ 24
|
|
| Tax (expense)/benefit |
|
|
|
|
8
|
|
| Reclassification adjustment for realized (gain)/loss (2) |
|
$ 0
|
$ 0
|
[1] |
(16)
|
[1],[2] |
| Reclassification for amortization of net actuarial (gain)/loss included in net periodic benefit expense/(income), gross amount |
|
53
|
12
|
|
2
|
|
| Reclassification for amortization of prior service (credit)/cost (8) |
[3] |
2
|
(1)
|
[1] |
(1)
|
[1] |
| Reclassification of net actuarial (gain)/loss recognized in net periodic benefit expense/(income) from a settlement, gross amount |
|
180
|
|
|
|
|
| Other comprehensive income/(loss) |
|
(141)
|
(491)
|
[1] |
380
|
[1] |
| Primary and Supplemental Pension Plans Total |
|
|
|
|
|
|
| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |
|
|
|
|
|
|
| Amortization of actuarial (gain)/loss |
|
53
|
12
|
|
(2)
|
|
| Amortization of prior service cost/(credit) |
|
8
|
7
|
|
7
|
|
| Selling, General and Administrative Expenses [Member] |
|
|
|
|
|
|
| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |
|
|
|
|
|
|
| Amortization of prior service (credit)/cost |
|
$ (7)
|
$ (8)
|
|
$ (8)
|
|
|
|