Annual report pursuant to Section 13 and 15(d)

Long-Term Debt (Details)

v3.6.0.2
Long-Term Debt (Details) - USD ($)
3 Months Ended 12 Months Ended
Jan. 28, 2017
Jul. 30, 2016
Apr. 30, 2016
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Debt Instrument [Line Items]            
Debt Instrument, Repurchased Face Amount     $ 60,000,000      
Proceeds from issuance of long-term debt       $ 2,188,000,000 $ 0 $ 893,000,000
Loss on extinguishment of debt   $ 34,000,000 $ (4,000,000) 30,000,000 10,000,000 $ 34,000,000
Extinguishment of Debt, Amount         494,000,000  
8.125% Senior Notes Due 2019            
Debt Instrument [Line Items]            
Unsecured Long-term Debt, Noncurrent $ 400,000,000     $ 400,000,000 $ 400,000,000  
Debt instrument, stated interest rate (percent) 8.125%     8.125% 8.125%  
Senior Secured Notes Five Point Eight Seven Five Percent Due2023 [Member]            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate (percent) 5.875%     5.875%    
Secured Long-term Debt, Noncurrent   500,000,000        
2016 Term Loan Facility [Member]            
Debt Instrument [Line Items]            
2013 Term Loan Facility, basis spread on variable interest rate       4.25%    
2016 Term Loan Facility [Member]            
Debt Instrument [Line Items]            
2013 Term Loan Facility, face amount   $ 2,000,000,000        
2013 Term Loan Facility, term   7 years        
2013 Term Loan Facility, required quarterly principal payment $ 10,550,000.00