Stock-Based Compensation

6 Months Ended

Jun. 30, 2012

Stock-Based Compensation [Abstract]

Stock-Based Compensation

13. Stock-Based Compensation

For employee awards, equity classified stock-based compensation cost is measured at the service inception date or the grant date, based on the estimated achievement of certain performance metrics or the fair value of the award, and is recognized as expense or capitalized as a component of property, plant and equipment over the requisite service period.

Duke Energy recorded pre-tax stock-based compensation expense for the three and six months endedJune 30, 2012 and 2011 as follows:

		Three Months Ended				Six Months Ended
		June 30,				June 30,
(in millions)		2012		2011		2012		2011
Stock Options		$	―	$	―	$	2	$	2
Restricted Stock Unit Awards			6		6		14		14
Performance Awards			5		5		3		11
Total(a)(b)(c)(d)		$	11	$	11	$	19	$	27
(a)	Excludes stock-based compensation cost capitalized of $1 million for each of the three months ended June 30, 2012 and 2011.
(b)	Excludes stock-based compensation cost capitalized of $1 million and $2 million for the six months ended June 30, 2012 and 2011, respectively.
(c)	The tax benefit associated with the recorded expense was $4 million and $5 million for the three months ended June 30, 2012 and 2011, respectively.
(d)	The tax benefit associated with the recorded expense was $7 million and $11 million for the six months ended June 30, 2012 and 2011, respectively.