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Goodwill and Intangible Assets (Tables) | 3 Months Ended
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Apr. 29, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Gross Amount of Goodwill and Accumulated Goodwill Impairment Losses | The following table provides the gross carrying amount of goodwill and cumulative goodwill impairment ($ in millions):
| April 29, 2017 |  | January 28, 2017 |  | April 30, 2016
| Gross Carrying Amount |  | Cumulative Impairment |  | Gross Carrying Amount |  | Cumulative Impairment |  | Gross Carrying Amount |  | Cumulative Impairment
Goodwill | $ | 1,100 |  |  | $ | (675 | ) |  | $ | 1,100 |  |  | $ | (675 | ) |  | $ | 1,100 |  |  | $ | (675 | )

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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