Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Accumulated Other Comprehensive Income/ (Loss) (Details)

v3.6.0.2
Stockholders' Equity (Accumulated Other Comprehensive Income/ (Loss) (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Balance as of the beginning of the period - as adjusted $ 1,309 $ 1,914 $ 3,087
Current period change, accumulated other comprehensive income/(loss) 18 (141) (491)
Balance as of the end of the period 1,354 1,309 1,914
Net Actuarial Gain/(Loss) [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Net Actuarial Gain/(Loss) Prior Service Credit/(Cost),Net of Tax (421) (423) (308)
Current period change, pension and postretirement benefits 2 (115)  
Prior Service Credit/(Cost) [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Net Actuarial Gain/(Loss) Prior Service Credit/(Cost),Net of Tax (33) (38) (40)
Current period change, pension and postretirement benefits 5 2  
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax 0 0  
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax (2) (2) (2)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax 11 (28)  
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax (17) (28)  
Accumulated Other Comprehensive Income/(Loss) [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Balance as of the beginning of the period - as adjusted (491) (350) 141
Current period change, accumulated other comprehensive income/(loss) 18 (141) (491)
Balance as of the end of the period $ (473) $ (491) $ (350)