Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Narrative) (Details)

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Income Taxes (Narrative) (Details) (USD $)
3 Months Ended
May 03, 2014
May 04, 2013
Income Tax Contingency [Line Items]    
Income tax expense/(benefit) $ 8,000,000 $ (199,000,000)
Effective tax rate 2.30% (36.40%)
Increase to tax valuation allowance for deferred tax assets 120,000,000  
Valuation allowance 424,000,000  
Valuation allowance, methodologies and assumptions In assessing the need for the valuation allowance, we considered both positive and negative evidence related to the likelihood of realization of the deferred tax assets. As a result of our assessment, we concluded that, beginning in the second quarter of 2013, our estimate of the realization of deferred tax assets would be based solely on the future reversals of existing taxable temporary differences and tax planning strategies that we would make use of to accelerate taxable income to utilize expiring carryforwards. Accordingly, in the first quarter of 2014, the valuation allowance was increased to offset the net deferred tax assets created in the quarter relating primarily to the increase in net operating loss (NOL) carryforwards.  
Income tax expense (benefit), tax allocation (6,000,000)  
Net operating loss carryforwards 2,400,000,000  
Other comprehensive income [Member]
   
Income Tax Contingency [Line Items]    
Income tax expense (benefit), tax allocation 6,000,000  
Income from operations [Member]
   
Income Tax Contingency [Line Items]    
Income tax expense (benefit), tax allocation (6,000,000)  
Federal audit adjustment [Member]
   
Income Tax Contingency [Line Items]    
State and foreign tax expenses 12,000,000  
State and foreign [Member]
   
Income Tax Contingency [Line Items]    
State and foreign tax expenses 2,000,000  
Amortization of certain indefinite lived intangible assets [Member]
   
Income Tax Contingency [Line Items]    
State and foreign tax expenses 2,000,000  
State audit settlement [Member]
   
Income Tax Contingency [Line Items]    
State and foreign tax expenses (2,000,000)  
Federal [Member]
   
Income Tax Contingency [Line Items]    
Tax credit carryforwards 45,000,000  
Federal tax authority [Member]
   
Income Tax Contingency [Line Items]    
Valuation allowance 282,000,000  
Net deferred tax asset, NOL and tax credit carryforwards 545,000,000  
State Tax Authority [Member]
   
Income Tax Contingency [Line Items]    
Valuation allowance 142,000,000  
Net deferred tax asset, NOL carryforwards $ 29,000,000