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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2015
Text Block [Abstract]  
Schedule Of Basic And Diluted Earnings Per Share
Three Months Ended March 31,
$ in millions except share and per share amounts20152014
Basic earnings per share:
Net income (loss)$69$256
Less: undistributed earnings allocated to participating securities25
Net income (loss) available to common shareholders67251
Basic weighted average shares (1)181,735,876189,033,982
Net income (loss) per basic common share$0.37$1.33
Diluted earnings per share:
Net income (loss)69256
Less: undistributed earnings allocated to participating securities25
Net income (loss) available to common shareholders67251
Basic weighted average shares (1)181,735,876189,033,982
Effect of common stock equivalents:
Stock options1,000,5391,229,766
Diluted weighted average shares182,736,415190,263,748
Net income (loss) per diluted common share$0.37$1.32
(1) - Includes 678,568 and 405,961 of participating securities that met the service condition and were eligible to receive nonforfeitable dividends or dividend equivalents for the
three months ended March 31, 2015 and 2014, respectively.