Quarterly report pursuant to Section 13 or 15(d)

Stockholders Equity (Details)

v3.5.0.2
Stockholders Equity (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2016
Dec. 31, 2015
Class of Stock [Line Items]      
Preferred stock issued (in shares) 0 0 0
Stock authorized for repurchase (in shares) $ 1,200,000,000 $ 1,200,000,000  
Stock Repurchased During Period (in shares) 0 4,600,000  
Stock Repurchased During Period, Value   $ 121,600,000  
Remaining authorized repurchase amount (in shares) $ 356,700,000 $ 356,700,000  
Series C      
Class of Stock [Line Items]      
Preferred stock authorized for issuance (in shares) 2,000,000,000.0 2,000,000,000.0