Consolidated Statements of Comprehensive Income (Loss) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net Income (Loss)	$ 494,000,000	$ 434,000,000	$ 1,446,000,000	$ 1,137,000,000
OTHER COMPREHENSIVE INCOME
Cash Flow Hedges, Net of Tax	(2,000,000)	(1,000,000)	6,000,000	13,000,000
Securities Available for Sale, Net of Tax	0	1,000,000	1,000,000	2,000,000
Amortization of Pension and OPEB Deferred Costs, Net of Tax	1,000,000	7,000,000	3,000,000	16,000,000
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	(1,000,000)	7,000,000	10,000,000	31,000,000
TOTAL COMPREHENSIVE INCOME (LOSS)	493,000,000	441,000,000	1,456,000,000	1,168,000,000
Total Comprehensive Income Attributable to Noncontrolling Interest	1,000,000	1,000,000	3,000,000	3,000,000
TOTAL COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS	492,000,000	440,000,000	1,453,000,000	1,165,000,000
Appalachian Power Co [Member]
Net Income (Loss)	48,758,000	62,625,000	186,856,000	163,035,000
OTHER COMPREHENSIVE INCOME
Cash Flow Hedges, Net of Tax	170,000	22,000	582,000	1,369,000
Amortization of Pension and OPEB Deferred Costs, Net of Tax	(333,000)	359,000	(999,000)	1,075,000
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	(163,000)	381,000	(417,000)	2,444,000
TOTAL COMPREHENSIVE INCOME (LOSS)	48,595,000	63,006,000	186,439,000	165,479,000
Indiana Michigan Power Co [Member]
Net Income (Loss)	26,626,000	57,880,000	141,049,000	142,091,000
OTHER COMPREHENSIVE INCOME
Cash Flow Hedges, Net of Tax	410,000	244,000	1,185,000	3,688,000
Amortization of Pension and OPEB Deferred Costs, Net of Tax	42,000	174,000	128,000	525,000
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	452,000	418,000	1,313,000	4,213,000
TOTAL COMPREHENSIVE INCOME (LOSS)	27,078,000	58,298,000	142,362,000	146,304,000
Ohio Power Co [Member]
Net Income (Loss)	54,060,000	178,901,000	171,369,000	329,731,000
OTHER COMPREHENSIVE INCOME
Cash Flow Hedges, Net of Tax	(343,000)	(675,000)	(1,134,000)	(154,000)
Amortization of Pension and OPEB Deferred Costs, Net of Tax	0	2,985,000	0	9,524,000
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	(343,000)	2,310,000	(1,134,000)	9,370,000
TOTAL COMPREHENSIVE INCOME (LOSS)	53,717,000	181,211,000	170,235,000	339,101,000
Public Service Co Of Oklahoma [Member]
Net Income (Loss)	45,086,000	51,096,000	75,983,000	93,221,000
OTHER COMPREHENSIVE INCOME
Cash Flow Hedges, Net of Tax	(190,000)	(172,000)	(626,000)	(593,000)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	(190,000)	(172,000)	(626,000)	(593,000)
TOTAL COMPREHENSIVE INCOME (LOSS)	44,896,000	50,924,000	75,357,000	92,628,000
Southwestern Electric Power Co [Member]
Net Income (Loss)	74,547,000	7,920,000	130,332,000	49,695,000
OTHER COMPREHENSIVE INCOME
Cash Flow Hedges, Net of Tax	567,000	589,000	1,636,000	1,675,000
Amortization of Pension and OPEB Deferred Costs, Net of Tax	(235,000)	(64,000)	(704,000)	(191,000)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	332,000	525,000	932,000	1,484,000
TOTAL COMPREHENSIVE INCOME (LOSS)	74,879,000	8,445,000	131,264,000	51,179,000
Total Comprehensive Income Attributable to Noncontrolling Interest	1,109,000	1,058,000	3,337,000	3,204,000
TOTAL COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ 73,770,000	$ 7,387,000	$ 127,927,000	$ 47,975,000