Business Segments (Tables)

6 Months Ended

Jun. 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 June 30, 2012
Revenues from:
	External Customers	$	3,234	$	1	$	163	$	148	$	5	$	-	$	3,551
	Other Operating Segments		24		1		4		-		1		(30)		-
Total Revenues		$	3,258	$	2	$	167	$	148	$	6	$	(30)	$	3,551
Net Income (Loss)		$	365	$	8	$	3	$	(5)	$	(8)	$	-	$	363
						Nonutility Operations
								Generation
		Utility		Transmission		AEP River		and		All Other		Reconciling
		Operations		Operations		Operations		Marketing		(a)		Adjustments		Consolidated
		(in millions)
Three Months Ended June 30, 2011
Revenues from:
	External Customers	$	3,359	$	1	$	162	$	79	$	8	$	-	$	3,609
	Other Operating Segments		29		(1)		4		-		2		(34)		-
Total Revenues		$	3,388	$	-	$	166	$	79	$	10	$	(34)	$	3,609
Net Income (Loss)		$	350	$	6	$	(1)	$	11	$	(13)	$	-	$	353

						Nonutility Operations
								Generation
		Utility		Transmission		AEP River		and		All Other		Reconciling
		Operations		Operations		Operations		Marketing		(a)		Adjustments		Consolidated
		(in millions)
Six Months Ended June 30, 2012
Revenues from:
	External Customers	$	6,596	$	2	$	335	$	233	$	10	$	-	$	7,176
	Other Operating Segments		47		3		11		-		3		(64)		-
Total Revenues		$	6,643	$	5	$	346	$	233	$	13	$	(64)	$	7,176
Net Income (Loss)		$	749	$	17	$	12	$	(6)	$	(19)	$	-	$	753
						Nonutility Operations
								Generation
		Utility		Transmission		AEP River		and		All Other		Reconciling
		Operations		Operations		Operations		Marketing		(a)		Adjustments		Consolidated
		(in millions)
Six Months Ended June 30, 2011
Revenues from:
	External Customers	$	6,856	$	1	$	329	$	141	$	12	$	-	$	7,339
	Other Operating Segments		56		(1)		9		1		3		(68)		-
Total Revenues		$	6,912	$	-	$	338	$	142	$	15	$	(68)	$	7,339
Net Income (Loss)		$	724	$	10	$	6	$	12	$	(44)	$	-	$	708

						Nonutility Operations
								Generation				Reconciling
		Utility		Transmission		AEP River		and		All Other		Adjustments
		Operations		Operations		Operations		Marketing		(a)		(b)			Consolidated
		(in millions)
June 30, 2012
Total Property, Plant and Equipment		$	55,289	$	508	$	624	$	618	$	11	$	(266)		$	56,784
Accumulated Depreciation and
	Amortization		18,627		2		150		232		10		(65)			18,956
Total Property, Plant and
	Equipment - Net	$	36,662	$	506	$	474	$	386	$	1	$	(201)		$	37,828
Total Assets		$	50,983	$	865	$	650	$	1,030	$	16,638	$	(16,745)	(c)	$	53,421
						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.