Business Segments (Tables)

9 Months Ended

Sep. 30, 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 September 30, 2012
Revenues from:
		External Customers	$	3,811	$	3	$	142	$	194	$	6	$	-	$	4,156
		Other Operating Segments		28		7		5		-		4		(44)		-
Total Revenues			$	3,839	$	10	$	147	$	194	$	10	$	(44)	$	4,156
Net Income (Loss)			$	471	$	14	$	(1)	$	10	$	(6)	$	-	$	488
							Nonutility Operations
									Generation
			Utility		Transmission		AEP River		and		All Other		Reconciling
			Operations		Operations		Operations		Marketing		(a)		Adjustments		Consolidated
			(in millions)
Three Months Ended September 30, 2011
Revenues from:
		External Customers	$	4,044	$	-	$	177	$	106	$	6	$	-	$	4,333
		Other Operating Segments		30		3		6		-		4		(43)		-
Total Revenues			$	4,074	$	3	$	183	$	106	$	10	$	(43)	$	4,333
Income (Loss) Before Extraordinary
	Item		$	633	$	9	$	17	$	8	$	(10)	$	-	$	657
Extraordinary Item, Net of Tax				273		-		-		-		-		-		273
Net Income (Loss)			$	906	$	9	$	17	$	8	$	(10)	$	-	$	930

							Nonutility Operations
									Generation
			Utility		Transmission		AEP River		and		All Other		Reconciling
			Operations		Operations		Operations		Marketing		(a)		Adjustments		Consolidated
			(in millions)
Nine Months Ended September 30, 2012
Revenues from:
		External Customers	$	10,407	$	5	$	477	$	427	$	16	$	-	$	11,332
		Other Operating Segments		75		10		16		-		7		(108)		-
Total Revenues			$	10,482	$	15	$	493	$	427	$	23	$	(108)	$	11,332
Net Income (Loss)			$	1,220	$	31	$	11	$	4	$	(25)	$	-	$	1,241
							Nonutility Operations
									Generation
			Utility		Transmission		AEP River		and		All Other		Reconciling
			Operations		Operations		Operations		Marketing		(a)		Adjustments		Consolidated
			(in millions)
Nine Months Ended September 30, 2011
Revenues from:
		External Customers	$	10,900	$	1	$	506	$	247	$	18	$	-	$	11,672
		Other Operating Segments		86		2		15		1		7		(111)		-
Total Revenues			$	10,986	$	3	$	521	$	248	$	25	$	(111)	$	11,672
Income (Loss) Before Extraordinary
	Item		$	1,357	$	19	$	23	$	20	$	(54)	$	-	$	1,365
Extraordinary Item, Net of Tax				273		-		-		-		-		-		273
Net Income (Loss)			$	1,630	$	19	$	23	$	20	$	(54)	$	-	$	1,638

						Nonutility Operations
								Generation				Reconciling
		Utility		Transmission		AEP River		and		All Other		Adjustments
		Operations		Operations		Operations		Marketing		(a)		(b)			Consolidated
		(in millions)
September 30, 2012
Total Property, Plant and Equipment		$	55,859	$	604	$	632	$	619	$	11	$	(266)		$	57,459
Accumulated Depreciation and
	Amortization		18,986		2		156		240		10		(68)			19,326
Total Property, Plant and
	Equipment - Net	$	36,873	$	602	$	476	$	379	$	1	$	(198)		$	38,133
Total Assets		$	51,124	$	1,008	$	643	$	1,022	$	16,885	$	(16,839)	(c)	$	53,843
						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.