Property and Equipment (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Aug. 01, 2015 |
Aug. 02, 2014 |
Aug. 01, 2015 |
Aug. 02, 2014 |
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| Property, Plant and Equipment [Line Items] | |||||||||||
| Total impairments | [1] | $ 33 | $ 62 | $ 40 | $ 75 | ||||||
| Total segment impairments | |||||||||||
| Property, Plant and Equipment [Line Items] | |||||||||||
| Total impairments | [1] | 33 | 46 | 40 | 59 | ||||||
| Unallocated impairments | |||||||||||
| Property, Plant and Equipment [Line Items] | |||||||||||
| Total impairments | [1],[2],[3] | $ 0 | $ 16 | $ 0 | $ 16 | ||||||
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