Common Stock (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Schedule Of Earnings Per Share

The following table presents Duke Energy’s basic and diluted EPS calculations and reconciles the weighted-average number of common shares outstanding to the diluted weighted-average number of common shares outstanding.

(In millions, except per-share amounts)	Income		Average Shares	EPS
Three Months Ended June 30, 2014
Income from continuing operations attributable to Duke Energy common shareholders, as adjusted for participating securities — basic and diluted	$	611	707	$	0.86
Three Months Ended June 30, 2013
Income from continuing operations attributable to Duke Energy common shareholders, as adjusted for participating securities — basic and diluted	$	340	706	$	0.48

(In millions, except per-share amounts)	Income		Average Shares	EPS
Six Months Ended June 30, 2014
Income from continuing operations attributable to Duke Energy common shareholders, as adjusted for participating securities — basic and diluted	$	516	707	$	0.73
Six Months Ended June 30, 2013
Income from continuing operations attributable to Duke Energy common shareholders, as adjusted for participating securities — basic	$	969	705	$	1.37
Effect of dilutive securities:
Stock options, performance and restricted shares	—		1
Income from continuing operations attributable to Duke Energy common shareholders, as adjusted for participating securities — diluted	$	969	706	$	1.37