v3.4.0.3
Equity And Earnings Per Share (Diluted Table) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Diluted earnings per share:    
Net income available for common stockholders $ 33 $ (13)
Weighted Average Shares Outstanding [Abstract]    
Weighted Average Number of Shares Outstanding, Basic 63,985,477 58,473,348
Potentially dilutive common shares:    
Issuable pursuant to employee incentive plans 1,270,426  
Weighted Average Number of Shares Outstanding, Diluted 65,255,903 58,473,348
Earnings Per Share, Diluted $ 0.51 $ (0.22)
Common Class A    
Weighted Average Shares Outstanding [Abstract]    
Weighted Average Number of Shares Outstanding, Basic 63,985,377 58,473,248
Common Class B    
Weighted Average Shares Outstanding [Abstract]    
Weighted Average Number of Shares Outstanding, Basic 100 100