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Share Repurchase Activity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Aug. 01, 2015	Aug. 02, 2014	Aug. 01, 2015	Aug. 02, 2014
Disclosure Share Repurchase Activity [Abstract]
Number of shares repurchased	10.0	9.0	15.6	14.6
Total cost	$ 377	$ 364	$ 607	$ 583
Average per share cost including commissions (in dollars per share)	$ 37.60	$ 40.61	$ 38.82	$ 40.09

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Disclosure - Share Repurchase Activity [Abstract]

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 505



-SubTopic 30



-Section 45



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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the par value method.

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