Annual report pursuant to Section 13 and 15(d)

Long-Term Debt (Details)

v3.3.1.900
Long-Term Debt (Details)
1 Months Ended 12 Months Ended
May. 22, 2013
USD ($)
Oct. 31, 2014
USD ($)
$ / unit
Sep. 30, 2014
USD ($)
Jan. 30, 2016
USD ($)
Jan. 31, 2015
USD ($)
Feb. 01, 2014
USD ($)
[1]
Nov. 01, 2014
USD ($)
Aug. 02, 2014
USD ($)
Debt Instrument [Line Items]                
Net proceeds from issuance of long-term debt       $ 0 $ 893,000,000 [1] $ 2,180,000,000    
Loss on extinguishment of debt       (10,000,000) (34,000,000) [1] $ (114,000,000)    
Extinguishment of Debt, Amount       494,000,000        
6.875% Medium-term Notes due 2015 [Member]                
Debt Instrument [Line Items]                
Unsecured Long-term Debt, Noncurrent             $ 60,000,000 $ 200,000,000
Tender Premium | $ / unit [2]   67.50            
Principal Amount Tendered   $ 140,000,000            
Extinguishment of Debt, Amount   140,000,000            
8.125% Senior Notes Due 2019 (6)                
Debt Instrument [Line Items]                
Unsecured Long-term Debt, Noncurrent     $ 400,000,000 $ 400,000,000 [3] $ 400,000,000 [3]      
Debt instrument, stated interest rate (percent)     8.125% 8.125% 8.125%      
Net proceeds from issuance of long-term debt     $ 393,000,000          
Premium Paid [Member]                
Debt Instrument [Line Items]                
Loss on extinguishment of debt   (29,000,000)            
Reacquisition Costs [Member]                
Debt Instrument [Line Items]                
Loss on extinguishment of debt   $ (1,000,000)            
Debt Defeasance [Member]                
Debt Instrument [Line Items]                
Debt instrument, stated interest rate (percent)   6.875%            
Loss on extinguishment of debt   $ (4,000,000)            
Extinguishment of Debt, Amount   $ 64,000,000            
7.65% Debentures due 2016 [Member]                
Debt Instrument [Line Items]                
Unsecured Long-term Debt, Noncurrent             78,000,000 200,000,000
Tender Premium | $ / unit [2]   105.00            
Principal Amount Tendered   $ 122,000,000            
Extinguishment of Debt, Amount   $ 122,000,000            
7.95% Debentures due 2017 [Member]                
Debt Instrument [Line Items]                
Unsecured Long-term Debt, Noncurrent             220,000,000 285,000,000
Tender Premium | $ / unit [2]   97.50            
Principal Amount Tendered   $ 194,000,000            
Extinguishment of Debt, Amount   65,000,000            
2014 Tender Offer [Member]                
Debt Instrument [Line Items]                
Repayments of Unsecured Debt   362,000,000            
Unsecured Long-term Debt, Noncurrent             $ 358,000,000 $ 685,000,000
Principal Amount Tendered   456,000,000            
Accrued Interest Expense, Debt   6,000,000            
Loss on extinguishment of debt   (30,000,000)            
Extinguishment of Debt, Amount   $ 327,000,000            
2013 Term Loan Facility (7)                
Debt Instrument [Line Items]                
2013 Term Loan Facility, face amount $ 2,250,000,000.00              
2013 Term Loan Facility, term 5 years              
2013 Term Loan Facility, basis spread on variable interest rate 5.00%              
2013 Term Loan Facility, required quarterly principal payment       $ 5,625,000.000        
[1] As Adjusted
[2] Per $1,000 principal amount of Securities.
[3] and $10 million of unamortized debt issue costs in 2015 and 2014, respectively.