CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME/(LOSS) (USD $)
In Millions, unless otherwise specified
3 Months Ended
May 02, 2015
May 03, 2014
Statement of Comprehensive Income [Abstract]    
Net income/(loss) $ (167) $ (352)
Other comprehensive income/(loss), net of tax:    
Reclassification for amortization of net actuarial (gain)/loss 17 11
Reclassification for amortization of prior service (credit)/cost 0 (1)
Total other comprehensive income/(loss), net of tax 17 10
Total comprehensive income/(loss), net of tax $ (150) $ (342)