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Stockholders' Equity (Reclassifications Out of Accumulated Other Comprehensive Income/ (Loss) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
May 03, 2014
|
May 04, 2013
|
|
| Other Comprehensive Income (Loss), Net of Tax [Abstract] | ||
| Total, net of tax | $ 10 | $ 30 |
|
Reclassification out of Accumulated Other Comprehensive Income [Member]
|
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| Other Comprehensive Income (Loss), Net of Tax [Abstract] | ||
| Total reclassifications | 10 | 27 |
|
Reclassification out of Accumulated Other Comprehensive Income [Member] | Total Amortization Of Retirement Benefit Plans, Net Of Tax [Member]
|
||
| Other Comprehensive Income (Loss), Net of Tax [Abstract] | ||
| Total, net of tax | 10 | 27 |
|
Reclassification out of Accumulated Other Comprehensive Income [Member] | Pension [Member]
|
||
| Other Comprehensive Income (Loss), Net of Tax [Abstract] | ||
| Amortization of retirement benefit plans, Actuarial loss/(gain) | 17 | 44 |
| Amortization of retirement benefit plans, Prior service cost/(credit) | 1 | 1 |
|
Reclassification out of Accumulated Other Comprehensive Income [Member] | SG&A [Member]
|
||
| Other Comprehensive Income (Loss), Net of Tax [Abstract] | ||
| Amortization of retirement benefit plans, Prior service cost/(credit) | (2) | (2) |
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Reclassification out of Accumulated Other Comprehensive Income [Member] | Income Tax Expense/(Benefit) [Member]
|
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| Other Comprehensive Income (Loss), Net of Tax [Abstract] | ||
| Amortization of retirement benefit plans, Tax (expense)/benefit | $ (6) | $ (16) |