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Segment and Geographic Information - Geographic Information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 28, 2017 | Oct. 29, 2016 | Jul. 30, 2016 | Apr. 30, 2016 | Jan. 30, 2016 | Oct. 31, 2015 | Aug. 01, 2015 | May 02, 2015 | Jan. 28, 2017 | Jan. 30, 2016 | Jan. 31, 2015
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenue | $ 13,482 | $ 8,945 | $ 8,533 | $ 8,443 | $ 13,623 | $ 8,819 | $ 8,528 | $ 8,558 | $ 39,403 | $ 39,528 | $ 40,339
Geographic Areas, Long-Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net | 2,293 |  |  |  | 2,346 |  |  |  | 2,293 | 2,346 | 2,295
United States [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  | 36,248 | 36,365 | 36,055
Geographic Areas, Long-Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net | 2,120 |  |  |  | 2,189 |  |  |  | 2,120 | 2,189 | 2,100
Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  | 2,899 | 2,917 | 4,047
Geographic Areas, Long-Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net | 156 |  |  |  | 140 |  |  |  | 156 | 140 | 174
Other [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  | 256 | 246 | 237
Geographic Areas, Long-Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net | $ 17 |  |  |  | $ 17 |  |  |  | $ 17 | $ 17 | $ 21

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