Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2014

Components of Net Periodic Benefit Cost

					Other Postretirement
	Pension Plans				Benefit Plans
	Three Months Ended March 31,				Three Months Ended March 31,
	2014		2013		2014		2013
	(in millions)
Service Cost	$	18	$	17	$	4	$	6
Interest Cost		55		50		17		18
Expected Return on Plan Assets		(66)		(69)		(28)		(27)
Amortization of Prior Service Cost (Credit)		1		1		(17)		(17)
Amortization of Net Actuarial Loss		31		46		5		16
Net Periodic Benefit Cost (Credit)	$	39	$	45	$	(19)	$	(4)

Appalachian Power Co [Member]

Components of Net Periodic Benefit Cost

APCo
					Other Postretirement
	Pension Plans				Benefit Plans
	Three Months Ended March 31,				Three Months Ended March 31,
	2014		2013		2014		2013
	(in thousands)
Service Cost	$	1,759	$	1,543	$	362	$	641
Interest Cost		7,406		6,916		3,197		3,363
Expected Return on Plan Assets		(8,482)		(9,260)		(4,633)		(4,536)
Amortization of Prior Service Cost (Credit)		50		49		(2,513)		(2,512)
Amortization of Net Actuarial Loss		4,148		6,256		1,146		3,062
Net Periodic Benefit Cost (Credit)	$	4,881	$	5,504	$	(2,441)	$	18

Indiana Michigan Power Co [Member]

Components of Net Periodic Benefit Cost

I&M
					Other Postretirement
	Pension Plans				Benefit Plans
	Three Months Ended March 31,				Three Months Ended March 31,
	2014		2013		2014		2013
	(in thousands)
Service Cost	$	2,517	$	2,184	$	487	$	805
Interest Cost		6,573		6,025		1,909		2,055
Expected Return on Plan Assets		(7,748)		(8,207)		(3,364)		(3,296)
Amortization of Prior Service Cost (Credit)		49		49		(2,355)		(2,355)
Amortization of Net Actuarial Loss		3,646		5,422		592		1,882
Net Periodic Benefit Cost (Credit)	$	5,037	$	5,473	$	(2,731)	$	(909)

Ohio Power Co [Member]

Components of Net Periodic Benefit Cost

OPCo
					Other Postretirement
	Pension Plans				Benefit Plans
	Three Months Ended March 31,				Three Months Ended March 31,
	2014		2013		2014		2013
	(in thousands)
Service Cost	$	1,285	$	2,372	$	256	$	1,300
Interest Cost		5,526		10,292		1,901		4,447
Expected Return on Plan Assets		(6,607)		(15,141)		(3,380)		(6,238)
Amortization of Prior Service Cost (Credit)		39		71		(1,731)		(3,231)
Amortization of Net Actuarial Loss		3,106		9,309		595		4,041
Net Periodic Benefit Cost (Credit)	$	3,349	$	6,903	$	(2,359)	$	319

Public Service Co Of Oklahoma [Member]

Components of Net Periodic Benefit Cost

PSO
					Other Postretirement
	Pension Plans				Benefit Plans
	Three Months Ended March 31,				Three Months Ended March 31,
	2014		2013		2014		2013
	(in thousands)
Service Cost	$	1,302	$	1,391	$	210	$	343
Interest Cost		3,014		2,748		893		948
Expected Return on Plan Assets		(3,651)		(3,918)		(1,575)		(1,522)
Amortization of Prior Service Cost (Credit)		74		74		(1,072)		(1,072)
Amortization of Net Actuarial Loss		1,688		2,461		277		869
Net Periodic Benefit Cost (Credit)	$	2,427	$	2,756	$	(1,267)	$	(434)

Southwestern Electric Power Co [Member]

Components of Net Periodic Benefit Cost

SWEPCo
					Other Postretirement
	Pension Plans				Benefit Plans
	Three Months Ended March 31,				Three Months Ended March 31,
	2014		2013		2014		2013
	(in thousands)
Service Cost	$	1,655	$	1,753	$	253	$	423
Interest Cost		3,163		2,864		998		1,075
Expected Return on Plan Assets		(3,857)		(4,127)		(1,754)		(1,720)
Amortization of Prior Service Cost (Credit)		87		87		(1,289)		(1,288)
Amortization of Net Actuarial Loss		1,761		2,553		309		982
Net Periodic Benefit Cost (Credit)	$	2,809	$	3,130	$	(1,483)	$	(528)