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Summary of Significant Accounting Policies - Goodwill & Indefinite Intangible (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jan. 30, 2016 | Jan. 31, 2015 | Feb. 01, 2014 | Feb. 02, 2013
Goodwill [Roll Forward] |  |  |  |  |  |  |  |
Goodwill, balance at the beginning of the period |  | $ 425 |  |  |  |  |  |
Goodwill, balance at the end of the period |  | 425 |  | $ 425 |  |  |  |
Indefinite-lived Intangible Assets [Roll Forward] |  |  |  |  |  |  |  |
Goodwill, Gross |  | 1,100 |  | 1,100 | [1] |  |  |
Cumulative Impairment |  | (675) |  | (675) | [1] |  |  |
International [Member] |  |  |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |  |  |
Goodwill written off related to sale of business |  |  |  |  |  | $ 0 |  |
Domestic Segment [Member] |  |  |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |  |  |
Goodwill written off related to sale of business | [2] |  |  |  |  | (103) |  |
Indefinite-lived Intangible Assets [Roll Forward] |  |  |  |  |  |  |  |
Intangible written off related to sale of business |  |  |  |  |  | 0 |  |
Total Operations [Member] |  |  |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |  |  |
Goodwill, balance at the beginning of the period |  | 425 |  | 425 |  | 528 |  |
Goodwill impairments |  |  |  | 0 |  |  |  |
Goodwill written off related to sale of business |  |  |  | 0 |  | (103) | [2] |
Goodwill changes in foreign currency exchange rates |  | 0 |  | 0 |  |  |  |
Goodwill, balance at the end of the period |  | 425 |  | 425 |  | 425 |  |
Goodwill, Other Changes |  |  |  |  |  | 0 |  |
Indefinite-lived Intangible Assets [Roll Forward] |  |  |  |  |  |  |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) |  | 18 |  | 57 |  | 101 |  | $ 131
Tradename, impairments |  | (40) | [3] | (1) |  | (4) |  |
Intangible written off related to sale of business |  |  |  | (37) | [4] | (22) | [2] |
Intangible changes in foreign currency exchange rates |  | 1 |  | (6) |  |  |  |
Indefinite-Lived Intangible Assets, Other |  |  |  |  |  | (4) |  |
Total Operations [Member] | International [Member] |  |  |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |  |  |
Goodwill, balance at the beginning of the period |  | 0 |  | 0 |  | 0 |  |
Goodwill acquisitions |  |  |  | 0 |  |  |  |
Goodwill impairments |  | 0 |  | 0 |  | 0 |  |
Goodwill changes in foreign currency exchange rates |  | 0 |  | 0 |  | 0 |  |
Goodwill, balance at the end of the period |  | 0 |  | 0 |  | 0 |  |
Indefinite-lived Intangible Assets [Roll Forward] |  |  |  |  |  |  |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) |  | 0 |  | 39 |  | 82 |  | 112
Tradename, impairments |  | (40) | [3] | 0 |  | (4) |  |
Intangible written off related to sale of business |  |  |  | (37) | [4] | (22) | [2] |
Intangible changes in foreign currency exchange rates |  | 1 |  | (6) |  | (4) |  |
Total Operations [Member] | Domestic Segment [Member] |  |  |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |  |  |
Goodwill, balance at the beginning of the period |  | 425 |  | 425 |  | 528 |  |
Goodwill impairments |  | 0 |  | 0 |  | 0 |  |
Goodwill written off related to sale of business |  |  |  | 0 |  |  |  |
Goodwill changes in foreign currency exchange rates |  | 0 |  | 0 |  | 0 |  |
Goodwill, balance at the end of the period |  | 425 |  | 425 |  | 425 |  |
Indefinite-lived Intangible Assets [Roll Forward] |  |  |  |  |  |  |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) |  | 18 |  | $ 18 |  | 19 |  | $ 19
Intangible acquisitions |  |  |  |  |  |  |  |
Tradename, impairments |  | 0 |  | $ (1) |  | 0 |  |
Intangible changes in foreign currency exchange rates |  | $ 0 |  | $ 0 |  | $ 0 |  |
[1] | Excludes the gross carrying amount and cumulative impairment related to Five Star, which was held for sale at the end of fiscal 2015. The sale of Five Star was completed on February 13, 2015.
[2] | Represents goodwill written off as a result of the sale of mindSHIFT in fiscal 2014 and indefinite-lived tradenames written off as a result of the sale of Best Buy Europe in fiscal 2014.
[3] | Represents the Future Shop tradename impaired as a result of the Canada brand restructuring in the first quarter of fiscal 2016. See Note 4, Restructuring Charges, for further discussion.
[4] | Primarily represents the Five Star indefinite-lived tradenames classified as held for sale at January 31, 2015.

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