Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Common Stock) (Details)

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Stockholders' Equity (Common Stock) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Oct. 01, 2013
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
[1]
Jan. 27, 2014
Schedule of Capitalization, Equity [Line Items]          
Common stock Issued, par value per share $ 0.50 $ 0.50 $ 0.5   $ 0.50
Sale of Common Stock, Price Per Share $ 9.65        
Net proceeds from common stock issued $ 786 $ 0 $ 0 [1] $ 786  
Payments of Stock Issuance Costs $ 24        
Shares held in 401(k) plan, including ESOP   14      
Percent of shares held in 401(k) plan, including ESOP   4.70%      
Common stock issued 84        
[1] As Adjusted