Comprehensive Income (Details) (USD $)	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	$ (115,000,000)		$ (337,000,000)
Change in Fair Value Recognized in AOCI	(14,000,000)		22,000,000
Amounts Reclassified from AOCI	20,000,000		9,000,000
Net Current Period Other Comprehensive Income	6,000,000		31,000,000
Ending Balance in AOCI	(109,000,000)		(306,000,000)
Commodity
Vertically Integrated Utilities Revenues	2,549,000,000		2,356,000,000
Generation & Marketing Revenues	117,000,000		122,000,000
Purchased Electricity for Resale	638,000,000		371,000,000
Other Operation Expense	780,000,000		738,000,000
Maintenance Expense	292,000,000		293,000,000
Interest Rate and Foreign Currency
Depreciation and Amortization Expense	491,000,000		420,000,000
Interest Expense	220,000,000		232,000,000
Income Tax (Expense) Credit	(307,000,000)		(195,000,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	20,000,000		9,000,000
Gains and Losses on Securities Available for Sale
Interest and Investment Income	1,000,000		3,000,000
Interest Expense	220,000,000		232,000,000
Income Tax (Expense) Credit	(307,000,000)		(195,000,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	20,000,000		9,000,000
Pension and OPEB
Income Tax (Expense) Credit	(307,000,000)		(195,000,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	20,000,000		9,000,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	20,000,000		9,000,000
Securities Available for Sale [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	7,000,000		4,000,000
Change in Fair Value Recognized in AOCI	0		1,000,000
Amounts Reclassified from AOCI	0		0
Net Current Period Other Comprehensive Income	0		1,000,000
Ending Balance in AOCI	7,000,000		5,000,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		0
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		0
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		0
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		0
Pension and OPEB [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	(99,000,000)		(303,000,000)
Change in Fair Value Recognized in AOCI	0		0
Amounts Reclassified from AOCI	1,000,000		6,000,000
Net Current Period Other Comprehensive Income	1,000,000		6,000,000
Ending Balance in AOCI	(98,000,000)		(297,000,000)
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	1,000,000		6,000,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	1,000,000		6,000,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	1,000,000		6,000,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	1,000,000		6,000,000
Commodity [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	0		(8,000,000)
Change in Fair Value Recognized in AOCI	(14,000,000)		18,000,000
Amounts Reclassified from AOCI	18,000,000		2,000,000
Net Current Period Other Comprehensive Income	4,000,000		20,000,000
Ending Balance in AOCI	4,000,000		12,000,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	18,000,000		2,000,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	18,000,000		2,000,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	18,000,000		2,000,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	18,000,000		2,000,000
Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	(23,000,000)		(30,000,000)
Change in Fair Value Recognized in AOCI	0		3,000,000
Amounts Reclassified from AOCI	1,000,000		1,000,000
Net Current Period Other Comprehensive Income	1,000,000		4,000,000
Ending Balance in AOCI	(22,000,000)		(26,000,000)
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	1,000,000		1,000,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	1,000,000		1,000,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	1,000,000		1,000,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	1,000,000		1,000,000
Reclassifications from Accumulated Other Comprehensive Income [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	20,000,000		9,000,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	20,000,000		9,000,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	20,000,000		9,000,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	20,000,000		9,000,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	20,000,000		9,000,000
Reclassifications from Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	19,000,000		3,000,000
Commodity
Subtotal - Commodity	30,000,000		5,000,000
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	30,000,000		5,000,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	30,000,000		5,000,000
Income Tax (Expense) Credit	11,000,000		2,000,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	19,000,000		3,000,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	30,000,000		5,000,000
Income Tax (Expense) Credit	11,000,000		2,000,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	19,000,000		3,000,000
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	30,000,000		5,000,000
Income Tax (Expense) Credit	11,000,000		2,000,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	19,000,000		3,000,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	19,000,000		3,000,000
Reclassifications from Accumulated Other Comprehensive Income [Member] | Securities Available for Sale [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	0		0
Commodity
Subtotal - Commodity	0		0
Interest Rate and Foreign Currency
Interest Expense	0		0
Subtotal - Interest Rate and Foreign Currency	0		0
Reclassifications from AOCI, before Income Tax (Expense) Credit	0		0
Income Tax (Expense) Credit	0		0
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		0
Gains and Losses on Securities Available for Sale
Interest and Investment Income	0		0
Interest Expense	0		0
Reclassifications from AOCI, before Income Tax (Expense) Credit	0		0
Income Tax (Expense) Credit	0		0
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		0
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	0		0
Income Tax (Expense) Credit	0		0
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		0
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		0
Reclassifications from Accumulated Other Comprehensive Income [Member] | Pension and OPEB [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	1,000,000		6,000,000
Commodity
Subtotal - Commodity	2,000,000		9,000,000
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	2,000,000		9,000,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	2,000,000		9,000,000
Income Tax (Expense) Credit	1,000,000		3,000,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	1,000,000		6,000,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	2,000,000		9,000,000
Income Tax (Expense) Credit	1,000,000		3,000,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	1,000,000		6,000,000
Pension and OPEB
Amortization of Prior Service Cost (Credit)	(5,000,000)		(5,000,000)
Amortization of Actuarial (Gains)/Losses	7,000,000		14,000,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	2,000,000		9,000,000
Income Tax (Expense) Credit	1,000,000		3,000,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	1,000,000		6,000,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	1,000,000		6,000,000
Reclassifications from Accumulated Other Comprehensive Income [Member] | Commodity [Member] | Cash Flow Hedges [Member]
Commodity
Vertically Integrated Utilities Revenues	0		0
Generation & Marketing Revenues	0		(3,000,000)
Purchased Electricity for Resale	31,000,000		6,000,000
Property, Plant and Equipment	0		0
Regulatory Assets/(Liabilities), Net	(3,000,000)	[1]	0	[1]
Subtotal - Commodity	28,000,000		3,000,000
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	28,000,000		3,000,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	28,000,000		3,000,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	28,000,000		3,000,000
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	28,000,000		3,000,000
Reclassifications from Accumulated Other Comprehensive Income [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member]
Commodity
Subtotal - Commodity	2,000,000		2,000,000
Interest Rate and Foreign Currency
Interest Expense	2,000,000		2,000,000
Subtotal - Interest Rate and Foreign Currency	2,000,000		2,000,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	2,000,000		2,000,000
Gains and Losses on Securities Available for Sale
Interest Expense	2,000,000		2,000,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	2,000,000		2,000,000
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	2,000,000		2,000,000
Appalachian Power Co [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	2,951,000		(29,898,000)
Change in Fair Value Recognized in AOCI	1,583,000		793,000
Amounts Reclassified from AOCI	(1,670,000)		823,000
Net Current Period Other Comprehensive Income	(87,000)		1,616,000
Ending Balance in AOCI	2,864,000		(28,282,000)
Commodity
Vertically Integrated Utilities Revenues	866,457,000		872,732,000
Generation & Marketing Revenues	2,020,000		1,902,000
Purchased Electricity for Resale	168,991,000		65,456,000
Other Operation Expense	93,538,000		78,908,000
Maintenance Expense	60,090,000		99,386,000
Interest Rate and Foreign Currency
Depreciation and Amortization Expense	104,586,000		87,903,000
Interest Expense	51,672,000		48,204,000
Income Tax (Expense) Credit	(66,248,000)		(47,012,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,670,000)		823,000
Gains and Losses on Securities Available for Sale
Interest Expense	51,672,000		48,204,000
Income Tax (Expense) Credit	(66,248,000)		(47,012,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,670,000)		823,000
Pension and OPEB
Income Tax (Expense) Credit	(66,248,000)		(47,012,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,670,000)		823,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,670,000)		823,000
Appalachian Power Co [Member] | Pension and OPEB [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	(233,000)		(31,331,000)
Change in Fair Value Recognized in AOCI	0		0
Amounts Reclassified from AOCI	(333,000)		358,000
Net Current Period Other Comprehensive Income	(333,000)		358,000
Ending Balance in AOCI	(566,000)		(30,973,000)
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(333,000)		358,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(333,000)		358,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(333,000)		358,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(333,000)		358,000
Appalachian Power Co [Member] | Commodity [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	94,000		(644,000)
Change in Fair Value Recognized in AOCI	1,583,000		794,000
Amounts Reclassified from AOCI	(1,590,000)		211,000
Net Current Period Other Comprehensive Income	(7,000)		1,005,000
Ending Balance in AOCI	87,000		361,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,590,000)		211,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,590,000)		211,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,590,000)		211,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,590,000)		211,000
Appalachian Power Co [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	3,090,000		2,077,000
Change in Fair Value Recognized in AOCI	0		(1,000)
Amounts Reclassified from AOCI	253,000		254,000
Net Current Period Other Comprehensive Income	253,000		253,000
Ending Balance in AOCI	3,343,000		2,330,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	253,000		254,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	253,000		254,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	253,000		254,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	253,000		254,000
Appalachian Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	(1,670,000)		823,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,670,000)		823,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,670,000)		823,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,670,000)		823,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,670,000)		823,000
Appalachian Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	(1,337,000)		465,000
Commodity
Subtotal - Commodity	(2,056,000)		715,000
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	(2,056,000)		715,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	(2,056,000)		715,000
Income Tax (Expense) Credit	(719,000)		250,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,337,000)		465,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	(2,056,000)		715,000
Income Tax (Expense) Credit	(719,000)		250,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,337,000)		465,000
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	(2,056,000)		715,000
Income Tax (Expense) Credit	(719,000)		250,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,337,000)		465,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,337,000)		465,000
Appalachian Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Pension and OPEB [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	(333,000)		358,000
Commodity
Subtotal - Commodity	(512,000)		551,000
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	(512,000)		551,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	(512,000)		551,000
Income Tax (Expense) Credit	(179,000)		193,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(333,000)		358,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	(512,000)		551,000
Income Tax (Expense) Credit	(179,000)		193,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(333,000)		358,000
Pension and OPEB
Amortization of Prior Service Cost (Credit)	(1,282,000)		(1,282,000)
Amortization of Actuarial (Gains)/Losses	770,000		1,833,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	(512,000)		551,000
Income Tax (Expense) Credit	(179,000)		193,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(333,000)		358,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(333,000)		358,000
Appalachian Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Commodity [Member] | Cash Flow Hedges [Member]
Commodity
Vertically Integrated Utilities Revenues	0		20,000
Purchased Electricity for Resale	(462,000)		57,000
Other Operation Expense	(10,000)		(11,000)
Maintenance Expense	(20,000)		(16,000)
Property, Plant and Equipment	(17,000)		(14,000)
Regulatory Assets/(Liabilities), Net	(1,937,000)	[1]	289,000	[1]
Subtotal - Commodity	(2,446,000)		325,000
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	(2,446,000)		325,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	(2,446,000)		325,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	(2,446,000)		325,000
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	(2,446,000)		325,000
Appalachian Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member]
Commodity
Subtotal - Commodity	390,000		390,000
Interest Rate and Foreign Currency
Interest Expense	390,000		390,000
Subtotal - Interest Rate and Foreign Currency	390,000		390,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	390,000		390,000
Gains and Losses on Securities Available for Sale
Interest Expense	390,000		390,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	390,000		390,000
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	390,000		390,000
Indiana Michigan Power Co [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	(15,509,000)		(28,883,000)
Change in Fair Value Recognized in AOCI	1,062,000		2,781,000
Amounts Reclassified from AOCI	(594,000)		518,000
Net Current Period Other Comprehensive Income	468,000		3,299,000
Ending Balance in AOCI	(15,041,000)		(25,584,000)
Commodity
Vertically Integrated Utilities Revenues	614,843,000		490,603,000
Generation & Marketing Revenues	0		1,988,000
Purchased Electricity for Resale	5,362,000		41,812,000
Other Operation Expense	141,350,000		145,238,000
Maintenance Expense	48,565,000		45,514,000
Interest Rate and Foreign Currency
Depreciation and Amortization Expense	50,031,000		40,902,000
Interest Expense	25,633,000		24,211,000
Income Tax (Expense) Credit	(38,315,000)		(21,263,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(594,000)		518,000
Gains and Losses on Securities Available for Sale
Interest Expense	25,633,000		24,211,000
Income Tax (Expense) Credit	(38,315,000)		(21,263,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(594,000)		518,000
Pension and OPEB
Income Tax (Expense) Credit	(38,315,000)		(21,263,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(594,000)		518,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(594,000)		518,000
Indiana Michigan Power Co [Member] | Pension and OPEB [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	421,000		(8,790,000)
Change in Fair Value Recognized in AOCI	0		0
Amounts Reclassified from AOCI	43,000		176,000
Net Current Period Other Comprehensive Income	43,000		176,000
Ending Balance in AOCI	464,000		(8,614,000)
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	43,000		176,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	43,000		176,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	43,000		176,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	43,000		176,000
Indiana Michigan Power Co [Member] | Commodity [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	46,000		(446,000)
Change in Fair Value Recognized in AOCI	1,062,000		532,000
Amounts Reclassified from AOCI	(1,047,000)		150,000
Net Current Period Other Comprehensive Income	15,000		682,000
Ending Balance in AOCI	61,000		236,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,047,000)		150,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,047,000)		150,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,047,000)		150,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(1,047,000)		150,000
Indiana Michigan Power Co [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	(15,976,000)		(19,647,000)
Change in Fair Value Recognized in AOCI	0		2,249,000
Amounts Reclassified from AOCI	410,000		192,000
Net Current Period Other Comprehensive Income	410,000		2,441,000
Ending Balance in AOCI	(15,566,000)		(17,206,000)
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	410,000		192,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	410,000		192,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	410,000		192,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	410,000		192,000
Indiana Michigan Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	(594,000)		518,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(594,000)		518,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(594,000)		518,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(594,000)		518,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(594,000)		518,000
Indiana Michigan Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	(637,000)		342,000
Commodity
Subtotal - Commodity	(980,000)		526,000
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	(980,000)		526,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	(980,000)		526,000
Income Tax (Expense) Credit	(343,000)		184,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(637,000)		342,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	(980,000)		526,000
Income Tax (Expense) Credit	(343,000)		184,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(637,000)		342,000
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	(980,000)		526,000
Income Tax (Expense) Credit	(343,000)		184,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(637,000)		342,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(637,000)		342,000
Indiana Michigan Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Pension and OPEB [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	43,000		176,000
Commodity
Subtotal - Commodity	66,000		270,000
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	66,000		270,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	66,000		270,000
Income Tax (Expense) Credit	23,000		94,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	43,000		176,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	66,000		270,000
Income Tax (Expense) Credit	23,000		94,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	43,000		176,000
Pension and OPEB
Amortization of Prior Service Cost (Credit)	(199,000)		(199,000)
Amortization of Actuarial (Gains)/Losses	265,000		469,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	66,000		270,000
Income Tax (Expense) Credit	23,000		94,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	43,000		176,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	43,000		176,000
Indiana Michigan Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Commodity [Member] | Cash Flow Hedges [Member]
Commodity
Vertically Integrated Utilities Revenues	0		52,000
Purchased Electricity for Resale	(717,000)		149,000
Other Operation Expense	(7,000)		(7,000)
Maintenance Expense	(7,000)		(7,000)
Property, Plant and Equipment	(10,000)		(7,000)
Regulatory Assets/(Liabilities), Net	(870,000)	[1]	50,000	[1]
Subtotal - Commodity	(1,611,000)		230,000
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	(1,611,000)		230,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	(1,611,000)		230,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	(1,611,000)		230,000
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	(1,611,000)		230,000
Indiana Michigan Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member]
Commodity
Subtotal - Commodity	631,000		296,000
Interest Rate and Foreign Currency
Interest Expense	631,000		296,000
Subtotal - Interest Rate and Foreign Currency	631,000		296,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	631,000		296,000
Gains and Losses on Securities Available for Sale
Interest Expense	631,000		296,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	631,000		296,000
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	631,000		296,000
Ohio Power Co [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	7,079,000		(165,725,000)
Change in Fair Value Recognized in AOCI	0		1,102,000
Amounts Reclassified from AOCI	(448,000)		3,233,000
Net Current Period Other Comprehensive Income	(448,000)		4,335,000
Ending Balance in AOCI	6,631,000		(161,390,000)
Commodity
Generation & Marketing Revenues	1,308,000		6,627,000
Purchased Electricity for Resale	79,130,000		43,185,000
Other Operation Expense	151,426,000		184,187,000
Maintenance Expense	34,651,000		74,295,000
Interest Rate and Foreign Currency
Depreciation and Amortization Expense	58,699,000		92,324,000
Interest Expense	33,007,000		50,173,000
Income Tax (Expense) Credit	(34,052,000)		(69,796,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(448,000)		3,233,000
Gains and Losses on Securities Available for Sale
Interest Expense	33,007,000		50,173,000
Income Tax (Expense) Credit	(34,052,000)		(69,796,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(448,000)		3,233,000
Pension and OPEB
Income Tax (Expense) Credit	(34,052,000)		(69,796,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(448,000)		3,233,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(448,000)		3,233,000
Ohio Power Co [Member] | Pension and OPEB [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	0		(172,908,000)
Change in Fair Value Recognized in AOCI	0		0
Amounts Reclassified from AOCI	0		3,269,000
Net Current Period Other Comprehensive Income	0		3,269,000
Ending Balance in AOCI	0		(169,639,000)
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		3,269,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		3,269,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		3,269,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		3,269,000
Ohio Power Co [Member] | Commodity [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	105,000		(912,000)
Change in Fair Value Recognized in AOCI	0		1,102,000
Amounts Reclassified from AOCI	(105,000)		304,000
Net Current Period Other Comprehensive Income	(105,000)		1,406,000
Ending Balance in AOCI	0		494,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(105,000)		304,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(105,000)		304,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(105,000)		304,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(105,000)		304,000
Ohio Power Co [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	6,974,000		8,095,000
Change in Fair Value Recognized in AOCI	0		0
Amounts Reclassified from AOCI	(343,000)		(340,000)
Net Current Period Other Comprehensive Income	(343,000)		(340,000)
Ending Balance in AOCI	6,631,000		7,755,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(343,000)		(340,000)
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(343,000)		(340,000)
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(343,000)		(340,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(343,000)		(340,000)
Ohio Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	(448,000)		3,233,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(448,000)		3,233,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(448,000)		3,233,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(448,000)		3,233,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(448,000)		3,233,000
Ohio Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	(448,000)		(36,000)
Commodity
Subtotal - Commodity	(689,000)		(55,000)
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	(689,000)		(55,000)
Reclassifications from AOCI, before Income Tax (Expense) Credit	(689,000)		(55,000)
Income Tax (Expense) Credit	(241,000)		(19,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(448,000)		(36,000)
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	(689,000)		(55,000)
Income Tax (Expense) Credit	(241,000)		(19,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(448,000)		(36,000)
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	(689,000)		(55,000)
Income Tax (Expense) Credit	(241,000)		(19,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(448,000)		(36,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(448,000)		(36,000)
Ohio Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Pension and OPEB [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	0		3,269,000
Commodity
Subtotal - Commodity	0		5,029,000
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	0		5,029,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	0		5,029,000
Income Tax (Expense) Credit	0		1,760,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		3,269,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	0		5,029,000
Income Tax (Expense) Credit	0		1,760,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		3,269,000
Pension and OPEB
Amortization of Prior Service Cost (Credit)	0		(1,468,000)
Amortization of Actuarial (Gains)/Losses	0		6,497,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	0		5,029,000
Income Tax (Expense) Credit	0		1,760,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		3,269,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	0		3,269,000
Ohio Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Commodity [Member] | Cash Flow Hedges [Member]
Commodity
Vertically Integrated Utilities Revenues	0		134,000
Purchased Electricity for Resale	0		382,000
Other Operation Expense	(11,000)		(18,000)
Maintenance Expense	(11,000)		(12,000)
Property, Plant and Equipment	(18,000)		(19,000)
Regulatory Assets/(Liabilities), Net	(122,000)	[1]	0	[1]
Subtotal - Commodity	(162,000)		467,000
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	(162,000)		467,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	(162,000)		467,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	(162,000)		467,000
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	(162,000)		467,000
Ohio Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member]
Commodity
Subtotal - Commodity	(527,000)		(522,000)
Interest Rate and Foreign Currency
Depreciation and Amortization Expense	(3,000)		2,000
Interest Expense	(524,000)		(524,000)
Subtotal - Interest Rate and Foreign Currency	(527,000)		(522,000)
Reclassifications from AOCI, before Income Tax (Expense) Credit	(527,000)		(522,000)
Gains and Losses on Securities Available for Sale
Interest Expense	(524,000)		(524,000)
Reclassifications from AOCI, before Income Tax (Expense) Credit	(527,000)		(522,000)
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	(527,000)		(522,000)
Public Service Co Of Oklahoma [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	5,758,000		6,481,000
Change in Fair Value Recognized in AOCI	0		36,000
Amounts Reclassified from AOCI	(246,000)		(203,000)
Net Current Period Other Comprehensive Income	(246,000)		(167,000)
Ending Balance in AOCI	5,512,000		6,314,000
Commodity
Vertically Integrated Utilities Revenues	296,710,000		259,903,000
Generation & Marketing Revenues	78,000		552,000
Purchased Electricity for Resale	79,691,000		64,655,000
Other Operation Expense	58,711,000		47,807,000
Maintenance Expense	24,745,000		28,572,000
Interest Rate and Foreign Currency
Depreciation and Amortization Expense	23,982,000		24,180,000
Interest Expense	13,317,000		13,340,000
Income Tax (Expense) Credit	(4,989,000)		(8,634,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(246,000)		(203,000)
Gains and Losses on Securities Available for Sale
Interest Expense	13,317,000		13,340,000
Income Tax (Expense) Credit	(4,989,000)		(8,634,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(246,000)		(203,000)
Pension and OPEB
Income Tax (Expense) Credit	(4,989,000)		(8,634,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(246,000)		(203,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(246,000)		(203,000)
Public Service Co Of Oklahoma [Member] | Commodity [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	57,000		21,000
Change in Fair Value Recognized in AOCI	0		36,000
Amounts Reclassified from AOCI	(57,000)		(13,000)
Net Current Period Other Comprehensive Income	(57,000)		23,000
Ending Balance in AOCI	0		44,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(57,000)		(13,000)
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(57,000)		(13,000)
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(57,000)		(13,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(57,000)		(13,000)
Public Service Co Of Oklahoma [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	5,701,000		6,460,000
Change in Fair Value Recognized in AOCI	0		0
Amounts Reclassified from AOCI	(189,000)		(190,000)
Net Current Period Other Comprehensive Income	(189,000)		(190,000)
Ending Balance in AOCI	5,512,000		6,270,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(189,000)		(190,000)
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(189,000)		(190,000)
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(189,000)		(190,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(189,000)		(190,000)
Public Service Co Of Oklahoma [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	(246,000)		(203,000)
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(246,000)		(203,000)
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(246,000)		(203,000)
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(246,000)		(203,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(246,000)		(203,000)
Public Service Co Of Oklahoma [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member]
Commodity
Subtotal - Commodity	(380,000)		(312,000)
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	(380,000)		(312,000)
Reclassifications from AOCI, before Income Tax (Expense) Credit	(380,000)		(312,000)
Income Tax (Expense) Credit	(134,000)		(109,000)
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	(380,000)		(312,000)
Income Tax (Expense) Credit	(134,000)		(109,000)
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	(380,000)		(312,000)
Income Tax (Expense) Credit	(134,000)		(109,000)
Public Service Co Of Oklahoma [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Commodity [Member] | Cash Flow Hedges [Member]
Commodity
Other Operation Expense	(8,000)		(9,000)
Maintenance Expense	(9,000)		(4,000)
Property, Plant and Equipment	(13,000)		(7,000)
Regulatory Assets/(Liabilities), Net	(58,000)	[1]	0	[1]
Subtotal - Commodity	(88,000)		(20,000)
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	(88,000)		(20,000)
Reclassifications from AOCI, before Income Tax (Expense) Credit	(88,000)		(20,000)
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	(88,000)		(20,000)
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	(88,000)		(20,000)
Public Service Co Of Oklahoma [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member]
Commodity
Subtotal - Commodity	(292,000)		(292,000)
Interest Rate and Foreign Currency
Interest Expense	(292,000)		(292,000)
Subtotal - Interest Rate and Foreign Currency	(292,000)		(292,000)
Reclassifications from AOCI, before Income Tax (Expense) Credit	(292,000)		(292,000)
Gains and Losses on Securities Available for Sale
Interest Expense	(292,000)		(292,000)
Reclassifications from AOCI, before Income Tax (Expense) Credit	(292,000)		(292,000)
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	(292,000)		(292,000)
Southwestern Electric Power Co [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	(8,444,000)		(17,860,000)
Change in Fair Value Recognized in AOCI	0		44,000
Amounts Reclassified from AOCI	268,000		489,000
Net Current Period Other Comprehensive Income	268,000		533,000
Ending Balance in AOCI	(8,176,000)		(17,327,000)
Commodity
Vertically Integrated Utilities Revenues	426,627,000		381,277,000
Generation & Marketing Revenues	365,000		331,000
Purchased Electricity for Resale	61,165,000		39,760,000
Other Operation Expense	68,537,000		59,448,000
Maintenance Expense	30,411,000		27,791,000
Interest Rate and Foreign Currency
Depreciation and Amortization Expense	45,661,000		44,882,000
Interest Expense	31,876,000		33,990,000
Income Tax (Expense) Credit	(12,165,000)		(6,796,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	268,000		489,000
Gains and Losses on Securities Available for Sale
Interest Expense	31,876,000		33,990,000
Income Tax (Expense) Credit	(12,165,000)		(6,796,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	268,000		489,000
Pension and OPEB
Income Tax (Expense) Credit	(12,165,000)		(6,796,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	268,000		489,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	268,000		489,000
Southwestern Electric Power Co [Member] | Pension and OPEB [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	4,794,000		(2,311,000)
Change in Fair Value Recognized in AOCI	0		0
Amounts Reclassified from AOCI	(234,000)		(63,000)
Net Current Period Other Comprehensive Income	(234,000)		(63,000)
Ending Balance in AOCI	4,560,000		(2,374,000)
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(234,000)		(63,000)
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(234,000)		(63,000)
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(234,000)		(63,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(234,000)		(63,000)
Southwestern Electric Power Co [Member] | Commodity [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	66,000		22,000
Change in Fair Value Recognized in AOCI	0		44,000
Amounts Reclassified from AOCI	(66,000)		(15,000)
Net Current Period Other Comprehensive Income	(66,000)		29,000
Ending Balance in AOCI	0		51,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(66,000)		(15,000)
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(66,000)		(15,000)
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(66,000)		(15,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(66,000)		(15,000)
Southwestern Electric Power Co [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Beginning Balance in AOCI	(13,304,000)		(15,571,000)
Change in Fair Value Recognized in AOCI	0		0
Amounts Reclassified from AOCI	568,000		567,000
Net Current Period Other Comprehensive Income	568,000		567,000
Ending Balance in AOCI	(12,736,000)		(15,004,000)
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	568,000		567,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	568,000		567,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	568,000		567,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	568,000		567,000
Southwestern Electric Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	268,000		489,000
Interest Rate and Foreign Currency
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	268,000		489,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	268,000		489,000
Pension and OPEB
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	268,000		489,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	268,000		489,000
Southwestern Electric Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	502,000		552,000
Commodity
Subtotal - Commodity	771,000		849,000
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	771,000		849,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	771,000		849,000
Income Tax (Expense) Credit	269,000		297,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	502,000		552,000
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	771,000		849,000
Income Tax (Expense) Credit	269,000		297,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	502,000		552,000
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	771,000		849,000
Income Tax (Expense) Credit	269,000		297,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	502,000		552,000
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	502,000		552,000
Southwestern Electric Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Pension and OPEB [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Component
Amounts Reclassified from AOCI	(234,000)		(63,000)
Commodity
Subtotal - Commodity	(360,000)		(97,000)
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	(360,000)		(97,000)
Reclassifications from AOCI, before Income Tax (Expense) Credit	(360,000)		(97,000)
Income Tax (Expense) Credit	(126,000)		(34,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(234,000)		(63,000)
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	(360,000)		(97,000)
Income Tax (Expense) Credit	(126,000)		(34,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(234,000)		(63,000)
Pension and OPEB
Amortization of Prior Service Cost (Credit)	(478,000)		(445,000)
Amortization of Actuarial (Gains)/Losses	118,000		348,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	(360,000)		(97,000)
Income Tax (Expense) Credit	(126,000)		(34,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(234,000)		(63,000)
Reclassifications from AOCI, Net of Income Tax (Expense) Credit	(234,000)		(63,000)
Southwestern Electric Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Commodity [Member] | Cash Flow Hedges [Member]
Commodity
Other Operation Expense	(13,000)		(10,000)
Maintenance Expense	(10,000)		(6,000)
Property, Plant and Equipment	(11,000)		(7,000)
Regulatory Assets/(Liabilities), Net	(67,000)	[1]	0	[1]
Subtotal - Commodity	(101,000)		(23,000)
Interest Rate and Foreign Currency
Subtotal - Interest Rate and Foreign Currency	(101,000)		(23,000)
Reclassifications from AOCI, before Income Tax (Expense) Credit	(101,000)		(23,000)
Gains and Losses on Securities Available for Sale
Reclassifications from AOCI, before Income Tax (Expense) Credit	(101,000)		(23,000)
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	(101,000)		(23,000)
Southwestern Electric Power Co [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member] | Interest Rate and Foreign Currency [Member] | Cash Flow Hedges [Member]
Commodity
Subtotal - Commodity	872,000		872,000
Interest Rate and Foreign Currency
Interest Expense	872,000		872,000
Subtotal - Interest Rate and Foreign Currency	872,000		872,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	872,000		872,000
Gains and Losses on Securities Available for Sale
Interest Expense	872,000		872,000
Reclassifications from AOCI, before Income Tax (Expense) Credit	872,000		872,000
Pension and OPEB
Reclassifications from AOCI, before Income Tax (Expense) Credit	$ 872,000		$ 872,000

[1] Represents realized gains and losses subject to regulatory accounting treatment recorded as either current or noncurrent on the condensed balance sheets.