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Segment and Geographic Information - Geographic Information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 30, 2016 | Oct. 31, 2015 | Aug. 01, 2015 | May. 02, 2015 | Jan. 31, 2015 | Nov. 01, 2014 | Aug. 02, 2014 | May. 03, 2014 | Jan. 30, 2016 | Jan. 31, 2015 | Feb. 01, 2014
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenue | $ 13,623 | $ 8,819 | $ 8,528 | $ 8,558 | $ 14,209 | $ 9,032 | $ 8,459 | $ 8,639 | $ 39,528 | $ 40,339 | $ 40,611
Geographic Areas, Long-Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net | 2,346 |  |  |  | 2,295 |  |  |  | 2,346 | 2,295 | 2,598
United States [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  | 36,365 | 36,055 | 35,831
Geographic Areas, Long-Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net | 2,189 |  |  |  | 2,100 |  |  |  | 2,189 | 2,100 | 2,190
Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  | 2,917 | 4,047 | 4,522
Geographic Areas, Long-Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net | 140 |  |  |  | 174 |  |  |  | 140 | 174 | 244
China [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Long-Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 139
Other [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  | 246 | 237 | 258
Geographic Areas, Long-Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net | $ 17 |  |  |  | $ 21 |  |  |  | $ 17 | $ 21 | $ 25

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