Business Segments (Tables)

3 Months Ended

Mar. 31, 2012

Business Segments (Tables) [Abstract]

Reportable Segment Information

						Nonutility Operations
								Generation
		Utility		Transmission		AEP River		and		All Other		Reconciling
		Operations		Operations		Operations		Marketing		(a)		Adjustments		Consolidated
		(in millions)
Three Months Ended March 31, 2012
Revenues from:
	External Customers	$	3,362	$	1	$	172	$	85	$	5	$	-	$	3,625
	Other Operating Segments		23		2		7		-		2		(34)		-
Total Revenues		$	3,385	$	3	$	179	$	85	$	7	$	(34)	$	3,625
Net Income (Loss)		$	384	$	9	$	9	$	(1)	$	(11)	$	-	$	390
						Nonutility Operations
								Generation
		Utility		Transmission		AEP River		and		All Other		Reconciling
		Operations		Operations		Operations		Marketing		(a)		Adjustments		Consolidated
		(in millions)
Three Months Ended March 31, 2011
Revenues from:
	External Customers	$	3,497	$	-	$	167	$	62	$	4	$	-	$	3,730
	Other Operating Segments		27		-		5		1		1		(34)		-
Total Revenues		$	3,524	$	-	$	172	$	63	$	5	$	(34)	$	3,730
Net Income (Loss)		$	374	$	4	$	7	$	1	$	(31)	$	-	$	355

						Nonutility Operations
								Generation				Reconciling
		Utility		Transmission		AEP River		and		All Other		Adjustments
		Operations		Operations		Operations		Marketing		(a)		(b)			Consolidated
		(in millions)
March 31, 2012
Total Property, Plant and Equipment		$	54,839	$	410	$	612	$	617	$	11	$	(266)		$	56,223
Accumulated Depreciation and
	Amortization		18,474		1		143		225		10		(62)			18,791
Total Property, Plant and
	Equipment - Net	$	36,365	$	409	$	469	$	392	$	1	$	(204)		$	37,432
Total Assets		$	50,581	$	727	$	657	$	1,012	$	16,397	$	(16,472)	(c)	$	52,902
						Nonutility Operations
								Generation				Reconciling
		Utility		Transmission		AEP River		and		All Other		Adjustments
		Operations		Operations		Operations		Marketing		(a)		(b)			Consolidated
		(in millions)
December 31, 2011
Total Property, Plant and Equipment		$	54,396	$	323	$	608	$	590	$	11	$	(258)		$	55,670
Accumulated Depreciation and
	Amortization		18,393		-		136		219		10		(59)			18,699
Total Property, Plant and
	Equipment - Net	$	36,003	$	323	$	472	$	371	$	1	$	(199)		$	36,971
Total Assets		$	50,093	$	594	$	659	$	868	$	16,751	$	(16,742)	(c)	$	52,223

(a)All Other includes:

• Parent's guarantee revenue received from affiliates, investment income, interest income and interest expense and other nonallocated costs.
• Forward natural gas contracts that were not sold with our natural gas pipeline and storage operations in 2004 and 2005. These contracts were financial derivatives which settled and expired in the fourth quarter of 2011.
• Revenue sharing related to the Plaquemine Cogeneration Facilitywhich ended in the fourth quarter of 2011.

(b)Includes eliminations due to an intercompany capital lease.

(c)       Reconciling Adjustments for Total Assets primarily include the elimination of intercompany advances to affiliates and intercompany accounts receivable along with the elimination of AEP's investments in subsidiary companies.