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
May 03, 2014
May 04, 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 loss/(gain), gross amount 17 44
Reclassification for amortization of net actuarial loss/(gain), tax (6) (16)
Reclassification for amortization of net actuarial loss/(gain), net 11 28
Reclassification for amortization of prior service cost/(credit), gross amount (1) (1)
Reclassification for amortization of prior service cost/(credit), tax 0 0
Reclassification for amortization of prior service cost/(credit), net amount (1) (1)
Total, gross amount 16 47
Total, tax (6) (17)
Total other comprehensive income/(loss), net of tax $ 10 $ 30