Stockholders' Equity (Accumulated Other Comprehensive Income/ (Loss) (Details) - USD ($)
$ in Millions |
12 Months Ended |
Jan. 28, 2017 |
Jan. 30, 2016 |
Jan. 31, 2015 |
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Balance as of the beginning of the period - as adjusted |
$ 1,309
|
$ 1,914
|
$ 3,087
|
| Current period change, accumulated other comprehensive income/(loss) |
18
|
(141)
|
(491)
|
| Balance as of the end of the period |
1,354
|
1,309
|
1,914
|
| Net Actuarial Gain/(Loss) [Member] |
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net Actuarial Gain/(Loss) Prior Service Credit/(Cost),Net of Tax |
(421)
|
(423)
|
(308)
|
| Current period change, pension and postretirement benefits |
2
|
(115)
|
|
| Prior Service Credit/(Cost) [Member] |
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net Actuarial Gain/(Loss) Prior Service Credit/(Cost),Net of Tax |
(33)
|
(38)
|
(40)
|
| Current period change, pension and postretirement benefits |
5
|
2
|
|
| Accumulated Foreign Currency Adjustment Attributable to Parent [Member] |
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax |
0
|
0
|
|
| Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax |
(2)
|
(2)
|
(2)
|
| Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] |
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax |
11
|
(28)
|
|
| Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax |
(17)
|
(28)
|
|
| Accumulated Other Comprehensive Income/(Loss) [Member] |
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Balance as of the beginning of the period - as adjusted |
(491)
|
(350)
|
141
|
| Current period change, accumulated other comprehensive income/(loss) |
18
|
(141)
|
(491)
|
| Balance as of the end of the period |
$ (473)
|
$ (491)
|
$ (350)
|