Financial Information by Business Segment (Tables)

9 Months Ended

Sep. 30, 2011

Segment Reporting [Abstract]

Segment [Tables]

(in millions)			PEC		PEF	Corporate and Other		Eliminations			Totals
At and for the three months ended September 30, 2011
Revenues
	Unaffiliated	$	1,332	$	1,413	$	2	$	0	$	2,747
	Intersegment		0		1		69		(70)		0
	Total revenues		1,332		1,414		71		(70)		2,747
Ongoing Earnings			202		202		(60)		0		344
Total Assets			15,543		14,014		20,954		(16,834)		33,677
For the three months ended September 30, 2010
Revenues
	Unaffiliated	$	1,414	$	1,543	$	5	$	0	$	2,962
	Intersegment		0		0		66		(66)		0
	Total revenues		1,414		1,543		71		(66)		2,962
Ongoing Earnings			233		177		(49)		0		361
For the nine months ended September 30, 2011
Revenues
	Unaffiliated	$	3,525	$	3,637	$	8	$	0	$	7,170
	Intersegment		0		2		203		(205)		0
	Total revenues		3,525		3,639		211		(205)		7,170
Ongoing Earnings			453		454		(150)		0		757
For the nine months ended September 30, 2010
Revenues
	Unaffiliated	$	3,794	$	4,064	$	11	$	0	$	7,869
	Intersegment		0		1		179		(180)		0
	Total revenues		3,794		4,065		190		(180)		7,869
Ongoing Earnings			493		409		(146)		0		756

Ongoing to Net Income Attributable to Controlling Interests [Tables]

		For the three months ended September 30
(in millions)			2011		2010
Ongoing Earnings		$	344	$	361
Tax levelization			8		4
CVO mark-to-market, net of tax benefit of $13 (Note 10)			(50)		0
Impairment, net of tax benefit of $1			0		(2)
Merger and integration costs, net of tax benefit of $7 (Note 2)			(15)		0
CR3 indemnification adjustment, net of tax expense of $2 (Note 15B)			4		0
Continuing income attributable to noncontrolling interests, net of tax			2		2
Income from continuing operations before cumulative effect of change in accounting principle			293		365
Discontinued operations, net of tax			0		(2)
Cumulative effect of change in accounting principle, net of tax			0		2
Net income attributable to noncontrolling interests, net of tax			(2)		(4)
	Net income attributable to controlling interests	$	291	$	361
		For the nine months ended September 30
(in millions)			2011		2010
Ongoing Earnings		$	757	$	756
Tax levelization			2		3
CVO mark-to-market, net of tax benefit of $13 (Note 10)			(46)		0
Impairment, net of tax benefit of $3			0		(5)
Plant retirement adjustment, net of tax expense of $1			0		1
Change in tax treatment of the Medicare Part D subsidy (Note 11)			0		(22)
Merger and integration costs, net of tax benefit of $11 (Note 2)			(36)		0
CR3 indemnification charge, net of tax benefit of $16 (Note 15B)			(22)		0
Continuing income attributable to noncontrolling interests, net of tax			5		4
Income from continuing operations			660		737
Discontinued operations, net of tax			(4)		(2)
Net income attributable to noncontrolling interests, net of tax			(5)		(4)
	Net income attributable to controlling interests	$	651	$	731