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Significant Accounting Policies (Property and Equipment, Net) (Details) (USD $) In Millions, unless otherwise specified
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12 Months Ended |
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Jan. 31, 2015
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Feb. 01, 2014
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| Property, Plant and Equipment [Line Items] |
|
|
|
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| Accumulated depreciation |
$ (3,617) |
|
$ (3,315) |
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| Property and equipment, net |
5,148 |
|
5,619 |
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| Land |
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|
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| Property, Plant and Equipment [Line Items] |
|
|
|
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| Property and equipment |
274 |
|
309 |
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| Buildings |
|
|
|
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| Property, Plant and Equipment [Line Items] |
|
|
|
|
| Property and equipment |
4,899 |
|
4,951 |
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| Estimated useful lives |
50 years |
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|
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| Furniture and equipment |
|
|
|
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| Property, Plant and Equipment [Line Items] |
|
|
|
|
| Property and equipment |
2,175 |
|
2,242 |
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| Furniture and equipment | Minimum [Member] |
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|
|
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| Property, Plant and Equipment [Line Items] |
|
|
|
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| Estimated useful lives |
3 years |
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| Furniture and equipment | Maximum [Member] |
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|
|
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| Property, Plant and Equipment [Line Items] |
|
|
|
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| Estimated useful lives |
20 years |
|
|
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| Leasehold improvements(1) |
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|
|
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| Property, Plant and Equipment [Line Items] |
|
|
|
|
| Property and equipment |
1,301 |
[1] |
1,318 |
[1] |
| Capital Leases (Equipment) [Member] |
|
|
|
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| Property, Plant and Equipment [Line Items] |
|
|
|
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| Property and equipment |
$ 116 |
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$ 114 |
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| Capital Leases (Equipment) [Member] | Minimum [Member] |
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| Property, Plant and Equipment [Line Items] |
|
|
|
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| Estimated useful lives |
3 years |
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| Capital Leases (Equipment) [Member] | Maximum [Member] |
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| Property, Plant and Equipment [Line Items] |
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| Estimated useful lives |
5 years |
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