Consolidated Statements of Comprehensive Income (Loss) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net Income (Loss)	$ 391,000,000	$ 339,000,000	$ 952,000,000	$ 703,000,000
OTHER COMPREHENSIVE INCOME
Cash Flow Hedges, Net of Tax	3,000,000	(10,000,000)	8,000,000	14,000,000
Securities Available for Sale, Net of Tax	1,000,000	0	1,000,000	1,000,000
Amortization of Pension and OPEB Deferred Costs, Net of Tax	1,000,000	3,000,000	2,000,000	9,000,000
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	5,000,000	(7,000,000)	11,000,000	24,000,000
TOTAL COMPREHENSIVE INCOME (LOSS)	396,000,000	332,000,000	963,000,000	727,000,000
Total Comprehensive Income Attributable to Noncontrolling Interest	1,000,000	1,000,000	2,000,000	2,000,000
TOTAL COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS	395,000,000	331,000,000	961,000,000	725,000,000
Appalachian Power Co [Member]
Net Income (Loss)	36,247,000	29,862,000	138,098,000	100,410,000
OTHER COMPREHENSIVE INCOME
Cash Flow Hedges, Net of Tax	166,000	89,000	412,000	1,347,000
Amortization of Pension and OPEB Deferred Costs, Net of Tax	(333,000)	358,000	(666,000)	716,000
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	(167,000)	447,000	(254,000)	2,063,000
TOTAL COMPREHENSIVE INCOME (LOSS)	36,080,000	30,309,000	137,844,000	102,473,000
Indiana Michigan Power Co [Member]
Net Income (Loss)	27,334,000	40,754,000	114,423,000	84,211,000
OTHER COMPREHENSIVE INCOME
Cash Flow Hedges, Net of Tax	350,000	321,000	775,000	3,444,000
Amortization of Pension and OPEB Deferred Costs, Net of Tax	43,000	175,000	86,000	351,000
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	393,000	496,000	861,000	3,795,000
TOTAL COMPREHENSIVE INCOME (LOSS)	27,727,000	41,250,000	115,284,000	88,006,000
Ohio Power Co [Member]
Net Income (Loss)	56,535,000	21,056,000	117,309,000	150,830,000
OTHER COMPREHENSIVE INCOME
Cash Flow Hedges, Net of Tax	(343,000)	(545,000)	(791,000)	521,000
Amortization of Pension and OPEB Deferred Costs, Net of Tax	0	3,270,000	0	6,539,000
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	(343,000)	2,725,000	(791,000)	7,060,000
TOTAL COMPREHENSIVE INCOME (LOSS)	56,192,000	23,781,000	116,518,000	157,890,000
Public Service Co Of Oklahoma [Member]
Net Income (Loss)	22,449,000	28,432,000	30,897,000	42,125,000
OTHER COMPREHENSIVE INCOME
Cash Flow Hedges, Net of Tax	(190,000)	(254,000)	(436,000)	(421,000)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	(190,000)	(254,000)	(436,000)	(421,000)
TOTAL COMPREHENSIVE INCOME (LOSS)	22,259,000	28,178,000	30,461,000	41,704,000
Southwestern Electric Power Co [Member]
Net Income (Loss)	32,823,000	30,227,000	55,785,000	41,775,000
OTHER COMPREHENSIVE INCOME
Cash Flow Hedges, Net of Tax	567,000	490,000	1,069,000	1,086,000
Amortization of Pension and OPEB Deferred Costs, Net of Tax	(235,000)	(64,000)	(469,000)	(127,000)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	332,000	426,000	600,000	959,000
TOTAL COMPREHENSIVE INCOME (LOSS)	33,155,000	30,653,000	56,385,000	42,734,000
Total Comprehensive Income Attributable to Noncontrolling Interest	1,126,000	1,056,000	2,228,000	2,146,000
TOTAL COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ 32,029,000	$ 29,597,000	$ 54,157,000	$ 40,588,000