|
Stockholders' Equity (Accumulated Other Comprehensive Income/ (Loss) (Details) (USD $) In Millions, unless otherwise specified
|
3 Months Ended |
|
May 03, 2014
|
May 04, 2013
|
| Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward] |
|
|
| February 1, 2014 |
$ (628) |
|
| Amounts reclassified from accumulated other comprehensive income, Net Actuarial Gain/(Loss) |
11 |
28 |
| Amounts reclassified from accumulated other comprehensive income, Prior Service Credit/(Cost) |
(1) |
(1) |
| Net current-period other comprehensive income |
10 |
30 |
| May 3, 2014 |
(618) |
(1,088) |
|
Net Actuarial Gain/(Loss) [Member]
|
|
|
| Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward] |
|
|
| February 1, 2014 |
(609) |
|
| Amounts reclassified from accumulated other comprehensive income, Net Actuarial Gain/(Loss) |
11 |
|
| Net current-period other comprehensive income |
11 |
|
| May 3, 2014 |
(598) |
|
|
Prior Service Credit/(Cost) [Member]
|
|
|
| Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward] |
|
|
| February 1, 2014 |
(19) |
|
| Amounts reclassified from accumulated other comprehensive income, Prior Service Credit/(Cost) |
(1) |
|
| Net current-period other comprehensive income |
(1) |
|
| May 3, 2014 |
(20) |
|
|
Accumulated Other Comprehensive Income/(Loss) [Member]
|
|
|
| Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward] |
|
|
| February 1, 2014 |
(628) |
|
| Amounts reclassified from accumulated other comprehensive income, Accumulated Other Comprehensive Income/(Loss) |
10 |
|
| Net current-period other comprehensive income |
10 |
|
| May 3, 2014 |
$ (618) |
|