Quarterly report pursuant to Section 13 or 15(d)

Public Offering of Common Stock (Details)

v3.5.0.2
Public Offering of Common Stock (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 14, 2016
Sep. 24, 2016
Sep. 24, 2016
Sep. 26, 2015
Sep. 23, 2016
Dec. 26, 2015
Class of Stock [Line Items]            
Common stock, par value (in usd per share) $ 0.01 $ 0.01 $ 0.01     $ 0.01
Shares offered, price per share (in usd per share)         $ 6.55  
Proceeds from issuance of common stock, net of issuance costs   $ 668 $ 668 $ 0    
Stock issuance costs   $ 22        
Common Stock            
Class of Stock [Line Items]            
Shares offered, price per share (in usd per share) $ 6.00          
Common Stock | Public Offering            
Class of Stock [Line Items]            
Shares offered in public offering (in shares) 100          
Common Stock | Over-Allotment Option            
Class of Stock [Line Items]            
Shares offered in public offering (in shares) 15          
Over-allotment option, term 30 days