Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Components of Other Comprehensive Income/ (Loss) (Details)

v2.4.0.8
Stockholders' Equity (Components of Other Comprehensive Income/ (Loss) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 02, 2014
Aug. 03, 2013
Aug. 02, 2014
Aug. 03, 2013
Stockholders' Equity Note [Abstract]        
Unrealized gain/(loss), gross amount $ 0 $ (4)    
Unrealized gain/(loss) on REITs, tax 0 1    
Unrealized gain/(loss), net amount 0 (3)    
Reclassification for amortization of net actuarial (gain)/loss, gross amount 16 44 33 88
Reclassification for amortization of net actuarial (gain)/loss, tax (7) (17) (13) (33)
Reclassification for amortization of net actuarial (gain)/loss, net 9 27 20 55
Reclassification for amortization of prior service (credit)/cost, gross amount 1   0 (1)
Reclassification for amortization of prior service (credit)/cost, tax 0 0 0 0
Reclassification for amortization of prior service (credit)/cost, net amount 1 0 0 (1)
Total, gross amount 17 40 33 87
Total, tax (7) (16) (13) (33)
Total, net of tax $ 10 $ 24 $ 20 $ 54