Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Stock-Based Compensation [Abstract]

Schedule Of Stock-Based Compensation Expense

		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.