|
Stockholders' Equity (Components of Other Comprehensive Income/ (Loss) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
May 02, 2015
|
May 03, 2014
|
|
| Stockholders' Equity Note [Abstract] | ||
| Reclassification for amortization of net actuarial (gain)/loss, gross amount | $ 29 | $ 17 |
| Reclassification for amortization of net actuarial (gain)/loss, tax | (12) | (6) |
| Reclassification for amortization of net actuarial (gain)/loss, net | 17 | 11 |
| Reclassification for amortization of prior service (credit)/cost, gross amount | 0 | (1) |
| Reclassification for amortization of prior service (credit)/cost, tax | 0 | 0 |
| Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Net of Tax | 0 | (1) |
| Total, gross amount | 29 | 16 |
| Total, tax | (12) | (6) |
| Total, net of tax | $ 17 | $ 10 |