v3.4.0.3
Earnings Per Common Share (Antidilutive Securities Excluded from the Computation of Diluted EPS) (Details) - shares
shares in Millions
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Antidilutive securities outstanding 15 12
RSUs and Performance-based Stock Units    
Antidilutive securities outstanding 1 1
Stock Options    
Antidilutive securities outstanding 14 11