CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME/(LOSS) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Feb. 01, 2014
 [1]
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Statement of Comprehensive Income [Abstract]        
Net income/(loss)   $ (513) $ (717) [1] $ (1,278) [1]
Other comprehensive income/(loss), net of tax:        
Unrealized gain/(loss) (1)   0 0 [1] (1) [1],[2]
Reclassification adjustment for realized (gain)/loss (2)   0 0 [1] (16) [1],[3]
Unrealized gain/(loss) (3) $ 0 0 (2) [1],[4]  
Net actuarial gain/(loss) arising during the period (4) [5]   (213) (293) [1] 404 [1]
Prior service credit/(cost) arising during the period (5)   0 (12) [1],[6] (4) [1],[6]
Reclassification of net actuarial (gain)/loss from a settlement (6)   110 [7] 0 [1] 0 [1]
Reclassification for net actuarial (gain)/loss (7) [8]   31 7 [1] (2) [1]
Reclassification for amortization of prior service (credit)/cost (8) [9]   2 (1) [1] (1) [1]
Gain/(loss) on interest rate swaps (9)   (23) [10] 0 [1],[10] 0
Reclassification for periodic settlements (10)   6 [11] 0 0 [1]
Deferred tax valuation allowance   (54) (190) [1] 0 [1]
Total other comprehensive income/(loss), net of tax   (141) (491) [1] 380 [1]
Total comprehensive income/(loss), net of tax   $ (654) $ (1,208) [1] $ (898) [1]
[1] As Adjusted
[2] Net of $1 million in tax in 2013.
[3] Net of $8 million in tax in 2013 and $(24) million pre-tax gain recognized in Real estate and other, net in the Consolidated Statement of Operations.
[4] Net of $1 million in tax in 2014.
[5] Net of $136 million in tax in 2015, $186 million in tax in 2014 and $(255) million in tax in 2013.
[6] Net of $- million in tax in 2015, $8 million in tax in 2014 and $3 million in tax in 2013.
[7] Net of $(70) million in tax in 2015 and $180 million of pre-tax amount recognized in Pension in the Consolidated Statement of Operations.
[8] Net of $(22) million in tax in 2015, $(5) million in tax in 2014 and $- million in 2013. Pre-tax amounts of $53 million in 2015, $12 million in 2014 and $(2) million in 2013 were recognized in Pension in the Consolidated Statement of Operations.
[9] Net of $(1) million of tax in 2015, $- million of tax in 2014 and $- million in tax in 2013. Pre-tax amounts of $8 million in 2015, $7 million in 2014 and $7 million in 2013 were recognized in Pension in the Consolidated Statement of Operations. Pre-tax amounts of $(7) million in 2015, $(8) million in 2014 and $(8) million in 2013 were recognized in SG&A in the Consolidated Statement of Operations.
[10] Net of $15 million of tax in 2015.
[11] Net of $(4) million of tax in 2015 and $10 million in pre-tax amount recognized in Net interest expense in the Consolidated Statement of Operations.