2012 Q3 Form 10-Q Financial Statement
#000000490412000077 Filed on October 26, 2012
Income Statement
Concept | 2012 Q3 | 2011 Q3 |
---|---|---|
Revenue | $4.156B | $4.333B |
YoY Change | -4.08% | 6.62% |
Cost Of Revenue | $327.0M | $294.0M |
YoY Change | 11.22% | 19.03% |
Gross Profit | $3.829B | $4.039B |
YoY Change | -5.2% | 5.82% |
Gross Profit Margin | 92.13% | 93.21% |
Selling, General & Admin | ||
YoY Change | ||
% of Gross Profit | ||
Research & Development | ||
YoY Change | ||
% of Gross Profit | ||
Depreciation & Amortization | $470.0M | $445.0M |
YoY Change | 5.62% | 4.95% |
% of Gross Profit | 12.27% | 11.02% |
Operating Expenses | $3.244B | $3.443B |
YoY Change | -5.78% | 13.29% |
Operating Profit | $912.0M | $890.0M |
YoY Change | 2.47% | -13.17% |
Interest Expense | $233.0M | $242.0M |
YoY Change | -3.72% | -3.59% |
% of Operating Profit | 25.55% | 27.19% |
Other Income/Expense, Net | $11.00M | $291.0M |
YoY Change | -96.22% | 1516.67% |
Pretax Income | $715.0M | $984.0M |
YoY Change | -27.34% | 21.18% |
Income Tax | $241.0M | $334.0M |
% Of Pretax Income | 33.71% | 33.94% |
Net Earnings | $487.0M | $929.0M |
YoY Change | -47.58% | 67.09% |
Net Earnings / Revenue | 11.72% | 21.44% |
Basic Earnings Per Share | $1.00 | $1.92 |
Diluted Earnings Per Share | $1.00 | $1.92 |
COMMON SHARES | ||
Basic Shares Outstanding | 485.0M shares | 482.5M shares |
Diluted Shares Outstanding | 485.4M shares | 482.8M shares |
Balance Sheet
Concept | 2012 Q3 | 2011 Q3 |
---|---|---|
SHORT-TERM ASSETS | ||
Cash & Short-Term Investments | $721.0M | $786.0M |
YoY Change | -8.27% | -44.49% |
Cash & Equivalents | $443.0M | $546.0M |
Short-Term Investments | $278.0M | $240.0M |
Other Short-Term Assets | $771.0M | $616.0M |
YoY Change | 25.16% | 297.42% |
Inventory | $1.462B | $1.173B |
Prepaid Expenses | ||
Receivables | $1.855B | $1.860B |
Other Receivables | $141.0M | $187.0M |
Total Short-Term Assets | $4.648B | $4.374B |
YoY Change | 6.26% | -19.31% |
LONG-TERM ASSETS | ||
Property, Plant & Equipment | $38.13B | $36.42B |
YoY Change | 4.71% | 4.05% |
Goodwill | $90.00M | $76.00M |
YoY Change | 18.42% | 0.0% |
Intangibles | ||
YoY Change | ||
Long-Term Investments | ||
YoY Change | ||
Other Assets | $1.397B | $1.135B |
YoY Change | 23.08% | 24.73% |
Total Long-Term Assets | $11.06B | $10.40B |
YoY Change | 6.41% | 9.74% |
TOTAL ASSETS | ||
Total Short-Term Assets | $4.648B | $4.374B |
Total Long-Term Assets | $11.06B | $10.40B |
Total Assets | $53.84B | $51.19B |
YoY Change | 5.19% | 2.6% |
SHORT-TERM LIABILITIES | ||
YoY Change | ||
Accounts Payable | $988.0M | $1.003B |
YoY Change | -1.5% | 13.46% |
Accrued Expenses | $249.0M | $235.0M |
YoY Change | 5.96% | -7.84% |
Deferred Revenue | ||
YoY Change | ||
Short-Term Debt | $1.216B | $1.279B |
YoY Change | -4.93% | -12.76% |
Long-Term Debt Due | $2.272B | $1.267B |
YoY Change | 79.32% | -1.48% |
Total Short-Term Liabilities | $6.795B | $5.684B |
YoY Change | 19.55% | -7.55% |
LONG-TERM LIABILITIES | ||
Long-Term Debt | $14.96B | $15.18B |
YoY Change | -1.5% | -5.08% |
Other Long-Term Liabilities | $923.0M | $978.0M |
YoY Change | -5.62% | 21.64% |
Total Long-Term Liabilities | $31.74B | $30.79B |
YoY Change | 3.09% | 2.54% |
TOTAL LIABILITIES | ||
Total Short-Term Liabilities | $6.795B | $5.684B |
Total Long-Term Liabilities | $31.74B | $30.79B |
Total Liabilities | $38.54B | $36.47B |
YoY Change | 5.66% | 0.82% |
SHAREHOLDERS EQUITY | ||
Retained Earnings | $6.444B | $5.810B |
YoY Change | 10.91% | 18.89% |
Common Stock | $3.286B | $3.271B |
YoY Change | 0.46% | 0.58% |
Preferred Stock | ||
YoY Change | ||
Treasury Stock (at cost) | ||
YoY Change | ||
Treasury Stock Shares | 20.34M shares | 20.31M shares |
Shareholders Equity | $15.31B | $14.65B |
YoY Change | ||
Total Liabilities & Shareholders Equity | $53.84B | $51.19B |
YoY Change | 5.19% | 2.6% |
Cashflow Statement
Concept | 2012 Q3 | 2011 Q3 |
---|---|---|
OPERATING ACTIVITIES | ||
Net Income | $487.0M | $929.0M |
YoY Change | -47.58% | 67.09% |
Depreciation, Depletion And Amortization | $470.0M | $445.0M |
YoY Change | 5.62% | 4.95% |
Cash From Operating Activities | $1.199B | $1.606B |
YoY Change | -25.34% | 43.39% |
INVESTING ACTIVITIES | ||
Capital Expenditures | -$739.0M | -$747.0M |
YoY Change | -1.07% | 35.08% |
Acquisitions | ||
YoY Change | ||
Other Investing Activities | -$12.00M | $60.00M |
YoY Change | -120.0% | -300.0% |
Cash From Investing Activities | -$751.0M | -$687.0M |
YoY Change | 9.32% | 17.84% |
FINANCING ACTIVITIES | ||
Cash Dividend Paid | ||
YoY Change | ||
Common Stock Issuance & Retirement, Net | ||
YoY Change | ||
Debt Paid & Issued, Net | ||
YoY Change | ||
Cash From Financing Activities | -302.0M | -790.0M |
YoY Change | -61.77% | 177.19% |
NET CHANGE | ||
Cash From Operating Activities | 1.199B | 1.606B |
Cash From Investing Activities | -751.0M | -687.0M |
Cash From Financing Activities | -302.0M | -790.0M |
Net Change In Cash | 146.0M | 129.0M |
YoY Change | 13.18% | -48.81% |
FREE CASH FLOW | ||
Cash From Operating Activities | $1.199B | $1.606B |
Capital Expenditures | -$739.0M | -$747.0M |
Free Cash Flow | $1.938B | $2.353B |
YoY Change | -17.64% | 40.65% |
Facts In Submission
Frame | Concept Type | Concept / XBRL Key | Value | Unit |
---|---|---|---|---|
CY2010Q4 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
13622000000 | USD |
us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
2.55 | ||
CY2012Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
487000000 | USD |
CY2012Q3 | us-gaap |
Other Preferred Stock Dividends And Adjustments
OtherPreferredStockDividendsAndAdjustments
|
0 | USD |
CY2012Q3 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
487000000 | USD |
CY2012Q3 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
484979543 | shares |
CY2012Q3 | us-gaap |
Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle Per Basic Share
IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShare
|
1.00 | |
CY2012Q3 | us-gaap |
Income Loss From Extraordinary Items Net Of Tax Per Basic Share
IncomeLossFromExtraordinaryItemsNetOfTaxPerBasicShare
|
0 | |
CY2012Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.00 | |
CY2012Q3 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
485362858 | shares |
CY2012Q3 | us-gaap |
Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle Per Diluted Share
IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShare
|
1.00 | |
CY2012Q3 | us-gaap |
Income Loss From Extraordinary Items Net Of Tax Per Diluted Share
IncomeLossFromExtraordinaryItemsNetOfTaxPerDilutedShare
|
0 | |
CY2012Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.00 | |
CY2012Q3 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.47 | |
CY2011Q3 | us-gaap |
Electric Utility Revenue
ElectricUtilityRevenue
|
4044000000 | USD |
CY2011Q3 | us-gaap |
Other Sales Revenue Net
OtherSalesRevenueNet
|
289000000 | USD |
CY2011Q3 | us-gaap |
Revenues
Revenues
|
4333000000 | USD |
CY2011Q3 | us-gaap |
Electric Production Expense
ElectricProductionExpense
|
1371000000 | USD |
CY2011Q3 | us-gaap |
Cost Of Purchased Power
CostOfPurchasedPower
|
294000000 | USD |
CY2011Q3 | us-gaap |
Utilities Operating Expense Operations
UtilitiesOperatingExpenseOperations
|
747000000 | USD |
CY2011Q3 | us-gaap |
Utilities Operating Expense Maintenance
UtilitiesOperatingExpenseMaintenance
|
283000000 | USD |
us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
1.41 | ||
CY2011Q3 | us-gaap |
Utilities Operating Expense Depreciation And Amortization
UtilitiesOperatingExpenseDepreciationAndAmortization
|
445000000 | USD |
CY2011Q3 | us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
213000000 | USD |
CY2011Q3 | us-gaap |
Operating Expenses
OperatingExpenses
|
3443000000 | USD |
CY2011Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
890000000 | USD |
CY2011Q3 | us-gaap |
Investment Income Net
InvestmentIncomeNet
|
19000000 | USD |
CY2011Q3 | aep |
Carrying Costs Income
CarryingCostsIncome
|
291000000 | USD |
CY2011Q3 | us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
26000000 | USD |
CY2011Q3 | us-gaap |
Interest Expense
InterestExpense
|
242000000 | USD |
CY2011Q3 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
984000000 | USD |
CY2011Q3 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
334000000 | USD |
CY2011Q3 | us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
7000000 | USD |
CY2011Q3 | us-gaap |
Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
|
1000000 | USD |
CY2011Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
929000000 | USD |
CY2011Q3 | us-gaap |
Other Preferred Stock Dividends And Adjustments
OtherPreferredStockDividendsAndAdjustments
|
1000000 | USD |
us-gaap |
Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
|
3000000 | USD | |
us-gaap |
Electric Utility Revenue
ElectricUtilityRevenue
|
10901000000 | USD | |
us-gaap |
Other Sales Revenue Net
OtherSalesRevenueNet
|
771000000 | USD | |
CY2011Q3 | us-gaap |
Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle Per Basic Share
IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShare
|
1.35 | |
CY2011Q3 | us-gaap |
Income Loss From Extraordinary Items Net Of Tax Per Basic Share
IncomeLossFromExtraordinaryItemsNetOfTaxPerBasicShare
|
0.57 | |
CY2011Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.92 | |
CY2011Q3 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
482796945 | shares |
CY2011Q3 | us-gaap |
Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle Per Diluted Share
IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShare
|
1.35 | |
CY2011Q3 | us-gaap |
Income Loss From Extraordinary Items Net Of Tax Per Diluted Share
IncomeLossFromExtraordinaryItemsNetOfTaxPerDilutedShare
|
0.57 | |
CY2011Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.92 | |
CY2011Q3 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.46 | |
us-gaap |
Electric Utility Revenue
ElectricUtilityRevenue
|
10412000000 | USD | |
us-gaap |
Other Sales Revenue Net
OtherSalesRevenueNet
|
920000000 | USD | |
us-gaap |
Revenues
Revenues
|
11332000000 | USD | |
us-gaap |
Electric Production Expense
ElectricProductionExpense
|
3137000000 | USD | |
us-gaap |
Cost Of Purchased Power
CostOfPurchasedPower
|
855000000 | USD | |
us-gaap |
Utilities Operating Expense Operations
UtilitiesOperatingExpenseOperations
|
2150000000 | USD | |
us-gaap |
Utilities Operating Expense Maintenance
UtilitiesOperatingExpenseMaintenance
|
769000000 | USD | |
us-gaap |
Utilities Operating Expense Depreciation And Amortization
UtilitiesOperatingExpenseDepreciationAndAmortization
|
1353000000 | USD | |
us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
648000000 | USD | |
us-gaap |
Operating Expenses
OperatingExpenses
|
8925000000 | USD | |
us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
2407000000 | USD | |
us-gaap |
Investment Income Net
InvestmentIncomeNet
|
6000000 | USD | |
aep |
Carrying Costs Income
CarryingCostsIncome
|
42000000 | USD | |
us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
70000000 | USD | |
us-gaap |
Interest Expense
InterestExpense
|
697000000 | USD | |
us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
1828000000 | USD | |
us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
620000000 | USD | |
us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
33000000 | USD | |
us-gaap |
Profit Loss
ProfitLoss
|
1241000000 | USD | |
us-gaap |
Net Income Loss
NetIncomeLoss
|
1238000000 | USD | |
us-gaap |
Other Preferred Stock Dividends And Adjustments
OtherPreferredStockDividendsAndAdjustments
|
0 | USD | |
us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
1238000000 | USD | |
us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
484437875 | shares | |
us-gaap |
Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle Per Basic Share
IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShare
|
2.55 | ||
us-gaap |
Income Loss From Extraordinary Items Net Of Tax Per Basic Share
IncomeLossFromExtraordinaryItemsNetOfTaxPerBasicShare
|
0 | ||
us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
2.55 | ||
us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
484826123 | shares | |
us-gaap |
Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle Per Diluted Share
IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShare
|
2.55 | ||
us-gaap |
Income Loss From Extraordinary Items Net Of Tax Per Diluted Share
IncomeLossFromExtraordinaryItemsNetOfTaxPerDilutedShare
|
0 | ||
us-gaap |
Revenues
Revenues
|
11672000000 | USD | |
us-gaap |
Electric Production Expense
ElectricProductionExpense
|
3407000000 | USD | |
us-gaap |
Cost Of Purchased Power
CostOfPurchasedPower
|
856000000 | USD | |
us-gaap |
Utilities Operating Expense Operations
UtilitiesOperatingExpenseOperations
|
2130000000 | USD | |
us-gaap |
Utilities Operating Expense Maintenance
UtilitiesOperatingExpenseMaintenance
|
864000000 | USD | |
us-gaap |
Utilities Operating Expense Depreciation And Amortization
UtilitiesOperatingExpenseDepreciationAndAmortization
|
1258000000 | USD | |
us-gaap |
Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
|
628000000 | USD | |
us-gaap |
Operating Expenses
OperatingExpenses
|
9233000000 | USD | |
us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
2439000000 | USD | |
us-gaap |
Investment Income Net
InvestmentIncomeNet
|
24000000 | USD | |
aep |
Carrying Costs Income
CarryingCostsIncome
|
323000000 | USD | |
us-gaap |
Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
69000000 | USD | |
us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
1254000000 | USD | |
us-gaap |
Interest Expense
InterestExpense
|
723000000 | USD | |
us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
2132000000 | USD | |
us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
786000000 | USD | |
us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
19000000 | USD | |
us-gaap |
Profit Loss
ProfitLoss
|
1638000000 | USD | |
us-gaap |
Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
|
3000000 | USD | |
us-gaap |
Net Income Loss
NetIncomeLoss
|
1635000000 | USD | |
us-gaap |
Other Preferred Stock Dividends And Adjustments
OtherPreferredStockDividendsAndAdjustments
|
2000000 | USD | |
us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
1633000000 | USD | |
us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
481862128 | shares | |
us-gaap |
Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle Per Basic Share
IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShare
|
2.82 | ||
us-gaap |
Income Loss From Extraordinary Items Net Of Tax Per Basic Share
IncomeLossFromExtraordinaryItemsNetOfTaxPerBasicShare
|
0.57 | ||
us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
3.39 | ||
us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
482126964 | shares | |
us-gaap |
Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle Per Diluted Share
IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShare
|
2.82 | ||
us-gaap |
Income Loss From Extraordinary Items Net Of Tax Per Diluted Share
IncomeLossFromExtraordinaryItemsNetOfTaxPerDilutedShare
|
0.57 | ||
us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
3.39 | ||
us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
1.38 | ||
us-gaap |
Other Asset Impairment Charges
OtherAssetImpairmentCharges
|
13000000 | USD | |
us-gaap |
Other Asset Impairment Charges
OtherAssetImpairmentCharges
|
90000000 | USD | |
CY2011Q3 | us-gaap |
Other Asset Impairment Charges
OtherAssetImpairmentCharges
|
90000000 | USD |
CY2012Q3 | us-gaap |
Other Asset Impairment Charges
OtherAssetImpairmentCharges
|
13000000 | USD |
CY2012Q3 | us-gaap |
Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle
IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciple
|
488000000 | USD |
CY2011Q3 | us-gaap |
Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle
IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciple
|
657000000 | USD |
us-gaap |
Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle
IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciple
|
1241000000 | USD | |
us-gaap |
Income Loss Before Extraordinary Items And Cumulative Effect Of Change In Accounting Principle
IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciple
|
1365000000 | USD | |
us-gaap |
Extraordinary Item Net Of Tax
ExtraordinaryItemNetOfTax
|
273000000 | USD | |
us-gaap |
Extraordinary Item Net Of Tax
ExtraordinaryItemNetOfTax
|
0 | USD | |
CY2011Q3 | us-gaap |
Extraordinary Item Net Of Tax
ExtraordinaryItemNetOfTax
|
273000000 | USD |
CY2012Q3 | us-gaap |
Extraordinary Item Net Of Tax
ExtraordinaryItemNetOfTax
|
0 | USD |
us-gaap |
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
1639000000 | USD | |
us-gaap |
Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
|
3000000 | USD | |
aep |
Comprehensive Income After Preferred Stock Net Of Tax
ComprehensiveIncomeAfterPreferredStockNetOfTax
|
1634000000 | USD | |
CY2012Q3 | us-gaap |
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
509000000 | USD |
CY2012Q3 | us-gaap |
Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
|
1000000 | USD |
CY2012Q3 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
508000000 | USD |
CY2012Q3 | aep |
Comprehensive Income After Preferred Stock Net Of Tax
ComprehensiveIncomeAfterPreferredStockNetOfTax
|
508000000 | USD |
us-gaap |
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
1257000000 | USD | |
CY2011Q3 | us-gaap |
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
912000000 | USD |
CY2011Q3 | us-gaap |
Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
|
1000000 | USD |
us-gaap |
Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
|
3000000 | USD | |
CY2011Q3 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
911000000 | USD |
CY2011Q3 | aep |
Comprehensive Income After Preferred Stock Net Of Tax
ComprehensiveIncomeAfterPreferredStockNetOfTax
|
910000000 | USD |
aep |
Comprehensive Income After Preferred Stock Net Of Tax
ComprehensiveIncomeAfterPreferredStockNetOfTax
|
1254000000 | USD | |
CY2012Q3 | us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
|
13000000 | USD |
CY2011Q3 | us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
|
-20000000 | USD |
us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
|
-8000000 | USD | |
us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
|
-14000000 | USD | |
CY2012Q3 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
1000000 | USD |
CY2011Q3 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
-4000000 | USD |
us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
2000000 | USD | |
us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
-3000000 | USD | |
CY2012Q3 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
21000000 | USD |
CY2011Q3 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
-18000000 | USD |
CY2012Q3 | us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
|
7000000 | USD |
CY2011Q3 | us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
|
11000000 | USD |
us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
|
4000000 | USD | |
us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
|
8000000 | USD | |
CY2012Q3 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
|
0 | USD |
CY2011Q3 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
|
2000000 | USD |
us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
|
1000000 | USD | |
us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
|
2000000 | USD | |
CY2012Q3 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
-7000000 | USD |
CY2011Q3 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
-6000000 | USD |
us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
-22000000 | USD | |
us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
-18000000 | USD | |
CY2012Q3 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
|
4000000 | USD |
CY2011Q3 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
|
3000000 | USD |
us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
|
12000000 | USD | |
us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
|
9000000 | USD | |
us-gaap |
Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
|
70000000 | USD | |
us-gaap |
Dividends Common Stock
DividendsCommonStock
|
668000000 | USD | |
us-gaap |
Stockholders Equity Other
StockholdersEquityOther
|
-8000000 | USD | |
aep |
Subtotal Common Shareholders Equity
SubtotalCommonShareholdersEquity
|
13014000000 | USD | |
us-gaap |
Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
|
64000000 | USD | |
us-gaap |
Dividends Common Stock
DividendsCommonStock
|
687000000 | USD | |
us-gaap |
Stockholders Equity Other
StockholdersEquityOther
|
7000000 | USD | |
CY2011Q3 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
14653000000 | USD |
aep |
Subtotal Common Shareholders Equity
SubtotalCommonShareholdersEquity
|
14049000000 | USD | |
us-gaap |
Dividends Preferred Stock Cash
DividendsPreferredStockCash
|
2000000 | USD | |
us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
1000000 | USD | |
us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
16000000 | USD | |
CY2012Q3 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
443000000 | USD |
CY2012Q3 | us-gaap |
Short Term Investments
ShortTermInvestments
|
278000000 | USD |
CY2011Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
221000000 | USD |
CY2011Q4 | us-gaap |
Short Term Investments
ShortTermInvestments
|
294000000 | USD |
CY2012Q3 | us-gaap |
Transfers Accounted For As Secured Borrowings Assets Carrying Amount
TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount
|
909000000 | USD |
CY2012Q3 | us-gaap |
Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
|
40000000 | USD |
CY2012Q3 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
1855000000 | USD |
CY2011Q4 | us-gaap |
Transfers Accounted For As Secured Borrowings Assets Carrying Amount
TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount
|
920000000 | USD |
CY2011Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
|
32000000 | USD |
CY2011Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
1834000000 | USD |
CY2012Q3 | us-gaap |
Other Inventory Supplies
OtherInventorySupplies
|
662000000 | USD |
CY2012Q3 | us-gaap |
Income Taxes Receivable
IncomeTaxesReceivable
|
49000000 | USD |
CY2012Q3 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
103000000 | USD |
CY2012Q3 | us-gaap |
Margin Deposit Assets
MarginDepositAssets
|
74000000 | USD |
CY2012Q3 | us-gaap |
Assets Current
AssetsCurrent
|
4648000000 | USD |
CY2011Q4 | us-gaap |
Other Inventory Supplies
OtherInventorySupplies
|
635000000 | USD |
CY2011Q4 | us-gaap |
Income Taxes Receivable
IncomeTaxesReceivable
|
51000000 | USD |
CY2011Q4 | us-gaap |
Regulatory Assets Current
RegulatoryAssetsCurrent
|
65000000 | USD |
CY2011Q4 | us-gaap |
Margin Deposit Assets
MarginDepositAssets
|
67000000 | USD |
CY2011Q4 | us-gaap |
Assets Current
AssetsCurrent
|
4182000000 | USD |
CY2012Q3 | us-gaap |
Public Utilities Property Plant And Equipment Generation Or Processing
PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing
|
25463000000 | USD |
CY2012Q3 | us-gaap |
Public Utilities Property Plant And Equipment Transmission
PublicUtilitiesPropertyPlantAndEquipmentTransmission
|
9503000000 | USD |
CY2012Q3 | us-gaap |
Public Utilities Property Plant And Equipment Distribution
PublicUtilitiesPropertyPlantAndEquipmentDistribution
|
15359000000 | USD |
CY2011Q4 | us-gaap |
Public Utilities Property Plant And Equipment Generation Or Processing
PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing
|
24938000000 | USD |
CY2011Q4 | us-gaap |
Public Utilities Property Plant And Equipment Transmission
PublicUtilitiesPropertyPlantAndEquipmentTransmission
|
9048000000 | USD |
CY2011Q4 | us-gaap |
Public Utilities Property Plant And Equipment Distribution
PublicUtilitiesPropertyPlantAndEquipmentDistribution
|
14783000000 | USD |
CY2012Q3 | us-gaap |
Public Utilities Property Plant And Equipment Other Property Plant And Equipment
PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment
|
3943000000 | USD |
CY2012Q3 | us-gaap |
Construction In Progress Gross
ConstructionInProgressGross
|
3191000000 | USD |
CY2012Q3 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
57459000000 | USD |
CY2012Q3 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
19326000000 | USD |
CY2012Q3 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
38133000000 | USD |
CY2011Q4 | us-gaap |
Public Utilities Property Plant And Equipment Other Property Plant And Equipment
PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment
|
3780000000 | USD |
CY2011Q4 | us-gaap |
Construction In Progress Gross
ConstructionInProgressGross
|
3121000000 | USD |
CY2011Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
55670000000 | USD |
CY2011Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
18699000000 | USD |
CY2011Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
36971000000 | USD |
CY2012Q3 | us-gaap |
Securitized Regulatory Transition Assets Noncurrent
SecuritizedRegulatoryTransitionAssetsNoncurrent
|
2179000000 | USD |
CY2012Q3 | aep |
Spent Nuclear Fuel And Decommissioning Trusts
SpentNuclearFuelAndDecommissioningTrusts
|
1700000000 | USD |
CY2012Q3 | us-gaap |
Goodwill
Goodwill
|
90000000 | USD |
CY2012Q3 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
1397000000 | USD |
CY2012Q3 | us-gaap |
Assets Noncurrent
AssetsNoncurrent
|
11062000000 | USD |
CY2012Q3 | us-gaap |
Assets
Assets
|
53843000000 | USD |
CY2011Q4 | us-gaap |
Securitized Regulatory Transition Assets Noncurrent
SecuritizedRegulatoryTransitionAssetsNoncurrent
|
1627000000 | USD |
CY2011Q4 | aep |
Spent Nuclear Fuel And Decommissioning Trusts
SpentNuclearFuelAndDecommissioningTrusts
|
1592000000 | USD |
CY2011Q4 | us-gaap |
Goodwill
Goodwill
|
76000000 | USD |
CY2011Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
1346000000 | USD |
CY2011Q4 | us-gaap |
Assets Noncurrent
AssetsNoncurrent
|
11070000000 | USD |
CY2011Q4 | us-gaap |
Assets
Assets
|
52223000000 | USD |
CY2012Q3 | us-gaap |
Long Term Debt Current
LongTermDebtCurrent
|
2272000000 | USD |
CY2012Q3 | us-gaap |
Derivative Liabilities Current
DerivativeLiabilitiesCurrent
|
150000000 | USD |
CY2012Q3 | us-gaap |
Customer Deposits Current
CustomerDepositsCurrent
|
295000000 | USD |
CY2012Q3 | us-gaap |
Taxes Payable Current
TaxesPayableCurrent
|
512000000 | USD |
CY2012Q3 | us-gaap |
Interest Payable Current
InterestPayableCurrent
|
249000000 | USD |
CY2012Q3 | us-gaap |
Regulatory Liability Current
RegulatoryLiabilityCurrent
|
76000000 | USD |
CY2012Q3 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
1037000000 | USD |
CY2012Q3 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
6795000000 | USD |
CY2012Q3 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
988000000 | USD |
CY2011Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
1095000000 | USD |
CY2011Q4 | us-gaap |
Long Term Debt Current
LongTermDebtCurrent
|
1433000000 | USD |
CY2011Q4 | us-gaap |
Derivative Liabilities Current
DerivativeLiabilitiesCurrent
|
150000000 | USD |
CY2011Q4 | us-gaap |
Customer Deposits Current
CustomerDepositsCurrent
|
289000000 | USD |
CY2011Q4 | us-gaap |
Taxes Payable Current
TaxesPayableCurrent
|
717000000 | USD |
CY2011Q4 | us-gaap |
Interest Payable Current
InterestPayableCurrent
|
279000000 | USD |
CY2011Q4 | us-gaap |
Regulatory Liability Current
RegulatoryLiabilityCurrent
|
8000000 | USD |
CY2011Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
990000000 | USD |
CY2011Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
6611000000 | USD |
CY2012Q3 | us-gaap |
Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
|
224000000 | USD |
CY2012Q3 | us-gaap |
Asset Retirement Obligations Noncurrent
AssetRetirementObligationsNoncurrent
|
1535000000 | USD |
CY2012Q3 | aep |
Employee Benefits And Pension Obligations
EmployeeBenefitsAndPensionObligations
|
1611000000 | USD |
CY2012Q3 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
923000000 | USD |
CY2012Q3 | us-gaap |
Liabilities Noncurrent
LiabilitiesNoncurrent
|
31742000000 | USD |
CY2011Q4 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
15083000000 | USD |
CY2011Q4 | us-gaap |
Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
|
195000000 | USD |
CY2011Q4 | us-gaap |
Asset Retirement Obligations Noncurrent
AssetRetirementObligationsNoncurrent
|
1472000000 | USD |
CY2011Q4 | aep |
Employee Benefits And Pension Obligations
EmployeeBenefitsAndPensionObligations
|
1801000000 | USD |
CY2011Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
974000000 | USD |
CY2011Q4 | us-gaap |
Liabilities Noncurrent
LiabilitiesNoncurrent
|
30947000000 | USD |
CY2012Q3 | us-gaap |
Liabilities
Liabilities
|
38537000000 | USD |
CY2011Q4 | us-gaap |
Liabilities
Liabilities
|
37558000000 | USD |
CY2012Q3 | us-gaap |
Common Stock Value
CommonStockValue
|
3286000000 | USD |
CY2012Q3 | us-gaap |
Additional Paid In Capital
AdditionalPaidInCapital
|
6030000000 | USD |
CY2012Q3 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
6444000000 | USD |
CY2012Q3 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
-454000000 | USD |
CY2012Q3 | us-gaap |
Stockholders Equity
StockholdersEquity
|
15306000000 | USD |
CY2012Q3 | us-gaap |
Derivative Assets Noncurrent
DerivativeAssetsNoncurrent
|
390000000 | USD |
CY2011Q4 | us-gaap |
Derivative Assets Current
DerivativeAssetsCurrent
|
193000000 | USD |
CY2011Q4 | us-gaap |
Derivative Assets Noncurrent
DerivativeAssetsNoncurrent
|
403000000 | USD |
CY2011Q4 | us-gaap |
Inventory Raw Materials
InventoryRawMaterials
|
657000000 | USD |
CY2012Q3 | us-gaap |
Unbilled Receivables Current
UnbilledReceivablesCurrent
|
210000000 | USD |
CY2011Q4 | us-gaap |
Unbilled Receivables Current
UnbilledReceivablesCurrent
|
106000000 | USD |
CY2012Q3 | us-gaap |
Minority Interest
MinorityInterest
|
0 | USD |
CY2011Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
3274000000 | USD |
CY2011Q4 | us-gaap |
Additional Paid In Capital
AdditionalPaidInCapital
|
5970000000 | USD |
CY2011Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
5890000000 | USD |
CY2011Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
-470000000 | USD |
CY2011Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
14664000000 | USD |
CY2011Q4 | us-gaap |
Minority Interest
MinorityInterest
|
1000000 | USD |
CY2011Q4 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
14665000000 | USD |
CY2011Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
52223000000 | USD |
CY2012Q3 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
600000000 | shares |
CY2012Q3 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
505552303 | shares |
CY2011Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
600000000 | shares |
CY2011Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
503759460 | shares |
CY2012Q3 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
6.50 | |
CY2012Q3 | us-gaap |
Treasury Stock Shares
TreasuryStockShares
|
20336592 | shares |
CY2011Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
6.50 | |
CY2011Q4 | us-gaap |
Treasury Stock Shares
TreasuryStockShares
|
20336592 | shares |
CY2012Q3 | us-gaap |
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
15306000000 | USD |
CY2011Q4 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
6026000000 | USD |
CY2012Q3 | us-gaap |
Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
|
5306000000 | USD |
CY2012Q3 | aep |
Accounts Receivable Customers
AccountsReceivableCustomers
|
684000000 | USD |
CY2011Q4 | aep |
Accounts Receivable Customers
AccountsReceivableCustomers
|
690000000 | USD |
CY2011Q4 | us-gaap |
Short Term Borrowings
ShortTermBorrowings
|
1650000000 | USD |
CY2012Q3 | us-gaap |
Short Term Borrowings
ShortTermBorrowings
|
1216000000 | USD |
CY2012Q3 | us-gaap |
Derivative Assets Current
DerivativeAssetsCurrent
|
175000000 | USD |
CY2012Q3 | us-gaap |
Inventory Raw Materials
InventoryRawMaterials
|
800000000 | USD |
CY2012Q3 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
14955000000 | USD |
CY2011Q4 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
3195000000 | USD |
CY2012Q3 | us-gaap |
Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
|
3589000000 | USD |
CY2012Q3 | us-gaap |
Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount
TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount
|
696000000 | USD |
CY2011Q4 | us-gaap |
Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount
TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount
|
666000000 | USD |
CY2012Q3 | us-gaap |
Short Term Bank Loans And Notes Payable
ShortTermBankLoansAndNotesPayable
|
520000000 | USD |
CY2011Q4 | us-gaap |
Short Term Bank Loans And Notes Payable
ShortTermBankLoansAndNotesPayable
|
984000000 | USD |
CY2012Q3 | us-gaap |
Deferred Tax Liabilities Noncurrent
DeferredTaxLiabilitiesNoncurrent
|
8905000000 | USD |
CY2011Q4 | us-gaap |
Deferred Tax Liabilities Noncurrent
DeferredTaxLiabilitiesNoncurrent
|
8227000000 | USD |
CY2012Q3 | us-gaap |
Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
|
209000000 | USD |
CY2011Q4 | us-gaap |
Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
|
165000000 | USD |
CY2012Q3 | us-gaap |
Other Receivables
OtherReceivables
|
92000000 | USD |
CY2011Q4 | us-gaap |
Other Receivables
OtherReceivables
|
150000000 | USD |
CY2012Q3 | aep |
Rate Matters
RateMatters
|
USD | |
CY2011Q4 | aep |
Rate Matters
RateMatters
|
USD | |
CY2012Q3 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
CY2011Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
592000000 | USD | |
us-gaap |
Unrealized Gain Loss On Derivatives
UnrealizedGainLossOnDerivatives
|
-70000000 | USD | |
aep |
Amortization Of Nuclear Fuel
AmortizationOfNuclearFuel
|
100000000 | USD | |
us-gaap |
Repayments Of Long Term Capital Lease Obligations
RepaymentsOfLongTermCapitalLeaseObligations
|
53000000 | USD | |
us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-409000000 | USD | |
us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-1119000000 | USD | |
CY2010Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
294000000 | USD |
CY2011Q3 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
546000000 | USD |
us-gaap |
Amortization Of Deferred Property Taxes
AmortizationOfDeferredPropertyTaxes
|
181000000 | USD | |
aep |
Fuel Over Under Recovery Net
FuelOverUnderRecoveryNet
|
-133000000 | USD | |
us-gaap |
Increase Decrease In Accounts And Other Receivables
IncreaseDecreaseInAccountsAndOtherReceivables
|
4000000 | USD | |
us-gaap |
Increase Decrease In Inventories
IncreaseDecreaseInInventories
|
169000000 | USD | |
us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
-135000000 | USD | |
us-gaap |
Payments For Construction In Process
PaymentsForConstructionInProcess
|
2108000000 | USD | |
us-gaap |
Payments For Construction In Process
PaymentsForConstructionInProcess
|
1849000000 | USD | |
aep |
Change In Other Temporary Investments Net
ChangeInOtherTemporaryInvestmentsNet
|
-19000000 | USD | |
aep |
Change In Other Temporary Investments Net
ChangeInOtherTemporaryInvestmentsNet
|
-62000000 | USD | |
us-gaap |
Payments To Acquire Investments
PaymentsToAcquireInvestments
|
745000000 | USD | |
us-gaap |
Payments To Acquire Investments
PaymentsToAcquireInvestments
|
1024000000 | USD | |
us-gaap |
Proceeds From Sale Maturity And Collections Of Investments
ProceedsFromSaleMaturityAndCollectionsOfInvestments
|
699000000 | USD | |
us-gaap |
Proceeds From Sale Maturity And Collections Of Investments
ProceedsFromSaleMaturityAndCollectionsOfInvestments
|
1094000000 | USD | |
us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
13000000 | USD | |
us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
116000000 | USD | |
us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
57000000 | USD | |
us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
38000000 | USD | |
us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-2281000000 | USD | |
us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-1967000000 | USD | |
us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
64000000 | USD | |
us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
70000000 | USD | |
us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
1118000000 | USD | |
us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
1600000000 | USD | |
us-gaap |
Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less
ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess
|
-417000000 | USD | |
us-gaap |
Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less
ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess
|
290000000 | USD | |
us-gaap |
Repayments Of Long Term Capital Lease Obligations
RepaymentsOfLongTermCapitalLeaseObligations
|
53000000 | USD | |
us-gaap |
Interest Paid Net
InterestPaidNet
|
698000000 | USD | |
us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
-44000000 | USD | |
us-gaap |
Capital Lease Obligations Incurred
CapitalLeaseObligationsIncurred
|
46000000 | USD | |
us-gaap |
Interest Paid Net
InterestPaidNet
|
716000000 | USD | |
us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
-119000000 | USD | |
us-gaap |
Capital Lease Obligations Incurred
CapitalLeaseObligationsIncurred
|
39000000 | USD | |
us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
1520000000 | USD | |
us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
687000000 | USD | |
us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
668000000 | USD | |
us-gaap |
Payments Of Dividends Preferred Stock And Preference Stock
PaymentsOfDividendsPreferredStockAndPreferenceStock
|
0 | USD | |
us-gaap |
Payments Of Dividends Preferred Stock And Preference Stock
PaymentsOfDividendsPreferredStockAndPreferenceStock
|
2000000 | USD | |
us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
904000000 | USD | |
us-gaap |
Increase Decrease In Accounts And Other Receivables
IncreaseDecreaseInAccountsAndOtherReceivables
|
-51000000 | USD | |
us-gaap |
Increase Decrease In Inventories
IncreaseDecreaseInInventories
|
-275000000 | USD | |
us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
-66000000 | USD | |
us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
3338000000 | USD | |
us-gaap |
Unrealized Gain Loss On Derivatives
UnrealizedGainLossOnDerivatives
|
-84000000 | USD | |
aep |
Amortization Of Nuclear Fuel
AmortizationOfNuclearFuel
|
108000000 | USD | |
us-gaap |
Amortization Of Deferred Property Taxes
AmortizationOfDeferredPropertyTaxes
|
173000000 | USD | |
aep |
Fuel Over Under Recovery Net
FuelOverUnderRecoveryNet
|
94000000 | USD | |
us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
764000000 | USD | |
us-gaap |
Payments To Acquire Oil And Gas Property
PaymentsToAcquireOilAndGasProperty
|
214000000 | USD | |
us-gaap |
Gain Loss Related To Litigation Settlement
GainLossRelatedToLitigationSettlement
|
0 | USD | |
us-gaap |
Gain Loss Related To Litigation Settlement
GainLossRelatedToLitigationSettlement
|
51000000 | USD | |
us-gaap |
Payments For Legal Settlements
PaymentsForLegalSettlements
|
0 | USD | |
us-gaap |
Payments For Legal Settlements
PaymentsForLegalSettlements
|
211000000 | USD | |
us-gaap |
Payments To Acquire Oil And Gas Property
PaymentsToAcquireOilAndGasProperty
|
0 | USD | |
us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
222000000 | USD | |
us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
252000000 | USD | |
us-gaap |
Proceeds From Short Term Debt Maturing In More Than Three Months
ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths
|
21000000 | USD | |
us-gaap |
Proceeds From Short Term Debt Maturing In More Than Three Months
ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths
|
462000000 | USD | |
us-gaap |
Repayments Of Short Term Debt Maturing In More Than Three Months
RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths
|
38000000 | USD | |
us-gaap |
Repayments Of Short Term Debt Maturing In More Than Three Months
RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths
|
819000000 | USD | |
us-gaap |
Construction In Progress Expenditures Incurred But Not Yet Paid
ConstructionInProgressExpendituresIncurredButNotYetPaid
|
304000000 | USD | |
us-gaap |
Construction In Progress Expenditures Incurred But Not Yet Paid
ConstructionInProgressExpendituresIncurredButNotYetPaid
|
325000000 | USD | |
us-gaap |
Payments For Nuclear Fuel
PaymentsForNuclearFuel
|
13000000 | USD | |
us-gaap |
Payments For Nuclear Fuel
PaymentsForNuclearFuel
|
104000000 | USD | |
us-gaap |
Increase Decrease In Other Noncurrent Assets
IncreaseDecreaseInOtherNoncurrentAssets
|
195000000 | USD | |
us-gaap |
Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
|
119000000 | USD | |
us-gaap |
Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
|
225000000 | USD | |
us-gaap |
Increase Decrease In Accrued Taxes Payable
IncreaseDecreaseInAccruedTaxesPayable
|
-130000000 | USD | |
us-gaap |
Increase Decrease In Accrued Taxes Payable
IncreaseDecreaseInAccruedTaxesPayable
|
-42000000 | USD | |
us-gaap |
Increase Decrease In Other Current Assets
IncreaseDecreaseInOtherCurrentAssets
|
28000000 | USD | |
us-gaap |
Increase Decrease In Other Current Assets
IncreaseDecreaseInOtherCurrentAssets
|
-13000000 | USD | |
us-gaap |
Increase Decrease In Other Current Liabilities
IncreaseDecreaseInOtherCurrentLiabilities
|
16000000 | USD | |
us-gaap |
Increase Decrease In Other Current Liabilities
IncreaseDecreaseInOtherCurrentLiabilities
|
15000000 | USD | |
us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
10000000 | USD | |
us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
89000000 | USD | |
us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
5000000 | USD | |
us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
3000000 | USD | |
us-gaap |
Pension Contributions
PensionContributions
|
150000000 | USD | |
us-gaap |
Pension Contributions
PensionContributions
|
100000000 | USD | |
aep |
Noncash Acquisition Of Fort Wayne Property Through Recording Of Long Term Debt
NoncashAcquisitionOfFortWaynePropertyThroughRecordingOfLongTermDebt
|
0 | USD | |
aep |
Noncash Acquisition Of Fort Wayne Property Through Recording Of Long Term Debt
NoncashAcquisitionOfFortWaynePropertyThroughRecordingOfLongTermDebt
|
27000000 | USD | |
us-gaap |
Increase Decrease In Interest Payable Net
IncreaseDecreaseInInterestPayableNet
|
-32000000 | USD | |
us-gaap |
Increase Decrease In Interest Payable Net
IncreaseDecreaseInInterestPayableNet
|
-46000000 | USD | |
aep |
Acquisition Of Nuclear Fuel Included In Current Liabilities
AcquisitionOfNuclearFuelIncludedInCurrentLiabilities
|
43000000 | USD | |
aep |
Acquisition Of Nuclear Fuel Included In Current Liabilities
AcquisitionOfNuclearFuelIncludedInCurrentLiabilities
|
0 | USD | |
us-gaap |
Liabilities Assumed1
LiabilitiesAssumed1
|
0 | USD | |
us-gaap |
Liabilities Assumed1
LiabilitiesAssumed1
|
56000000 | USD | |
aep |
Percentage Of Ownership In Subsidiary
PercentageOfOwnershipInSubsidiary
|
1 | pure | |
CY2012Q3 | aep |
Income Before Discontinued Operations And Extraordinary Loss
IncomeBeforeDiscontinuedOperationsAndExtraordinaryLoss
|
487000000 | USD |
CY2011Q3 | aep |
Income Before Discontinued Operations And Extraordinary Loss
IncomeBeforeDiscontinuedOperationsAndExtraordinaryLoss
|
655000000 | USD |
aep |
Income Before Discontinued Operations And Extraordinary Loss
IncomeBeforeDiscontinuedOperationsAndExtraordinaryLoss
|
1238000000 | USD | |
aep |
Income Before Discontinued Operations And Extraordinary Loss
IncomeBeforeDiscontinuedOperationsAndExtraordinaryLoss
|
1360000000 | USD | |
CY2012Q3 | us-gaap |
Extraordinary Item Gain Or Loss Net Of Tax Attributable To Reporting Entity
ExtraordinaryItemGainOrLossNetOfTaxAttributableToReportingEntity
|
0 | USD |
CY2011Q3 | us-gaap |
Extraordinary Item Gain Or Loss Net Of Tax Attributable To Reporting Entity
ExtraordinaryItemGainOrLossNetOfTaxAttributableToReportingEntity
|
273000000 | USD |
us-gaap |
Extraordinary Item Gain Or Loss Net Of Tax Attributable To Reporting Entity
ExtraordinaryItemGainOrLossNetOfTaxAttributableToReportingEntity
|
0 | USD | |
us-gaap |
Extraordinary Item Gain Or Loss Net Of Tax Attributable To Reporting Entity
ExtraordinaryItemGainOrLossNetOfTaxAttributableToReportingEntity
|
273000000 | USD | |
us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
0 | shares | |
us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
10000 | shares | |
us-gaap |
Extraordinary Items Gross
ExtraordinaryItemsGross
|
421000000 | USD | |
CY2012Q3 | us-gaap |
Revenues From Transactions With Other Operating Segments Of Same Entity
RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity
|
0 | USD |
CY2012Q3 | us-gaap |
Segment Reporting Information Revenue
SegmentReportingInformationRevenue
|
4156000000 | USD |
CY2011Q3 | us-gaap |
Revenues From Transactions With Other Operating Segments Of Same Entity
RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity
|
0 | USD |
CY2011Q3 | us-gaap |
Segment Reporting Information Revenue
SegmentReportingInformationRevenue
|
4333000000 | USD |
us-gaap |
Revenues From Transactions With Other Operating Segments Of Same Entity
RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity
|
0 | USD | |
us-gaap |
Segment Reporting Information Revenue
SegmentReportingInformationRevenue
|
11332000000 | USD | |
us-gaap |
Revenues From Transactions With Other Operating Segments Of Same Entity
RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity
|
0 | USD | |
us-gaap |
Segment Reporting Information Revenue
SegmentReportingInformationRevenue
|
11672000000 | USD | |
CY2012Q3 | us-gaap |
Notional Amount Of Interest Rate Derivatives
NotionalAmountOfInterestRateDerivatives
|
258000000 | USD |
CY2011Q4 | us-gaap |
Notional Amount Of Interest Rate Derivatives
NotionalAmountOfInterestRateDerivatives
|
226000000 | USD |
CY2012Q3 | aep |
Notional Amount Of Interest Rate And Foreign Currency Derivative Contracts
NotionalAmountOfInterestRateAndForeignCurrencyDerivativeContracts
|
703000000 | USD |
CY2011Q4 | aep |
Notional Amount Of Interest Rate And Foreign Currency Derivative Contracts
NotionalAmountOfInterestRateAndForeignCurrencyDerivativeContracts
|
907000000 | USD |
CY2012Q3 | aep |
Volume Of Power Derivative Contracts
VolumeOfPowerDerivativeContracts
|
617000000 | MWh |
CY2011Q4 | aep |
Volume Of Power Derivative Contracts
VolumeOfPowerDerivativeContracts
|
609000000 | MWh |
CY2011Q4 | aep |
Volume Of Coal Derivative Contracts
VolumeOfCoalDerivativeContracts
|
21000000 | |
CY2012Q3 | aep |
Volume Of Coal Derivative Contracts
VolumeOfCoalDerivativeContracts
|
15000000 | |
CY2012Q3 | aep |
Volume Of Natural Gas Derivative Contracts
VolumeOfNaturalGasDerivativeContracts
|
123000000 | MMBTU |
CY2011Q4 | aep |
Volume Of Natural Gas Derivative Contracts
VolumeOfNaturalGasDerivativeContracts
|
100000000 | MMBTU |
CY2011Q4 | aep |
Volume Of Heating Oil And Gasoline Derivative Contracts
VolumeOfHeatingOilAndGasolineDerivativeContracts
|
6000000 | |
CY2012Q3 | aep |
Volume Of Heating Oil And Gasoline Derivative Contracts
VolumeOfHeatingOilAndGasolineDerivativeContracts
|
5000000 | |
CY2012Q3 | us-gaap |
Securities Received As Collateral
SecuritiesReceivedAsCollateral
|
18000000 | USD |
CY2011Q4 | us-gaap |
Securities Received As Collateral
SecuritiesReceivedAsCollateral
|
26000000 | USD |
CY2012Q3 | us-gaap |
Obligation To Return Securities Received As Collateral
ObligationToReturnSecuritiesReceivedAsCollateral
|
48000000 | USD |
CY2011Q4 | us-gaap |
Obligation To Return Securities Received As Collateral
ObligationToReturnSecuritiesReceivedAsCollateral
|
133000000 | USD |
CY2012Q3 | us-gaap |
Derivative Assets
DerivativeAssets
|
565000000 | USD |
CY2012Q3 | us-gaap |
Derivative Liabilities
DerivativeLiabilities
|
374000000 | USD |
CY2012Q3 | us-gaap |
Derivative Assets Liabilities At Fair Value Net
DerivativeAssetsLiabilitiesAtFairValueNet
|
191000000 | USD |
CY2011Q4 | us-gaap |
Derivative Assets Liabilities At Fair Value Net
DerivativeAssetsLiabilitiesAtFairValueNet
|
251000000 | USD |
CY2011Q4 | us-gaap |
Derivative Liabilities
DerivativeLiabilities
|
345000000 | USD |
CY2011Q4 | us-gaap |
Derivative Assets
DerivativeAssets
|
596000000 | USD |
CY2012Q3 | us-gaap |
Gain Loss On Derivative Instruments Net Pretax
GainLossOnDerivativeInstrumentsNetPretax
|
13000000 | USD |
CY2011Q3 | us-gaap |
Gain Loss On Derivative Instruments Net Pretax
GainLossOnDerivativeInstrumentsNetPretax
|
9000000 | USD |
us-gaap |
Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
|
3000000 | USD | |
CY2012Q3 | us-gaap |
Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
|
1000000 | USD |
CY2012Q3 | aep |
Loss On Fair Value Portion Of Long Term Debt
LossOnFairValuePortionOfLongTermDebt
|
1000000 | USD |
aep |
Loss On Fair Value Portion Of Long Term Debt
LossOnFairValuePortionOfLongTermDebt
|
3000000 | USD | |
CY2011Q3 | aep |
Loss On Fair Value Portion Of Long Term Debt
LossOnFairValuePortionOfLongTermDebt
|
3000000 | USD |
aep |
Loss On Fair Value Portion Of Long Term Debt
LossOnFairValuePortionOfLongTermDebt
|
6000000 | USD | |
us-gaap |
Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
|
3000000 | USD | |
CY2011Q3 | us-gaap |
Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
|
1000000 | USD |
us-gaap |
Gain Loss On Derivative Instruments Net Pretax
GainLossOnDerivativeInstrumentsNetPretax
|
24000000 | USD | |
us-gaap |
Gain Loss On Derivative Instruments Net Pretax
GainLossOnDerivativeInstrumentsNetPretax
|
72000000 | USD | |
CY2012Q2 | us-gaap |
Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax
AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
|
-44000000 | USD |
CY2012Q3 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
|
13000000 | USD |
CY2012Q3 | us-gaap |
Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax
AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
|
-31000000 | USD |
CY2011Q2 | us-gaap |
Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax
AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
|
17000000 | USD |
CY2011Q3 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
|
-19000000 | USD |
CY2011Q3 | us-gaap |
Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax
AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
|
-3000000 | USD |
us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
|
-22000000 | USD | |
CY2010Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax
AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
|
11000000 | USD |
us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
|
-15000000 | USD | |
CY2011Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax
AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
|
-23000000 | USD |
CY2012Q3 | aep |
Hedging Assets
HedgingAssets
|
33000000 | USD |
CY2012Q3 | aep |
Hedging Liabilities
HedgingLiabilities
|
71000000 | USD |
CY2011Q4 | aep |
Hedging Assets
HedgingAssets
|
20000000 | USD |
CY2011Q4 | aep |
Hedging Liabilities
HedgingLiabilities
|
67000000 | USD |
us-gaap |
Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months
CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
|
-4000000 | USD | |
CY2011 | us-gaap |
Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months
CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
|
-5000000 | USD |
us-gaap |
Maximum Length Of Time Hedged In Price Risk Cash Flow Hedge1
MaximumLengthOfTimeHedgedInPriceRiskCashFlowHedge1
|
P36M | ||
CY2012Q3 | us-gaap |
Derivative Net Liability Position Aggregate Fair Value
DerivativeNetLiabilityPositionAggregateFairValue
|
7000000 | USD |
CY2011Q4 | us-gaap |
Derivative Net Liability Position Aggregate Fair Value
DerivativeNetLiabilityPositionAggregateFairValue
|
32000000 | USD |
CY2012Q3 | us-gaap |
Additional Collateral Aggregate Fair Value
AdditionalCollateralAggregateFairValue
|
44000000 | USD |
CY2011Q4 | us-gaap |
Additional Collateral Aggregate Fair Value
AdditionalCollateralAggregateFairValue
|
39000000 | USD |
CY2012Q3 | aep |
Amount Attributable To Rto And Iso Activities
AmountAttributableToRtoAndIsoActivities
|
42000000 | USD |
CY2011Q4 | aep |
Amount Attributable To Rto And Iso Activities
AmountAttributableToRtoAndIsoActivities
|
38000000 | USD |
CY2012Q3 | aep |
Fair Value Of Derivative Liabilities Subject To Cross Default Provisions
FairValueOfDerivativeLiabilitiesSubjectToCrossDefaultProvisions
|
519000000 | USD |
CY2011Q4 | aep |
Fair Value Of Derivative Liabilities Subject To Cross Default Provisions
FairValueOfDerivativeLiabilitiesSubjectToCrossDefaultProvisions
|
515000000 | USD |
CY2012Q3 | us-gaap |
Collateral Already Posted Aggregate Fair Value
CollateralAlreadyPostedAggregateFairValue
|
3000000 | USD |
CY2011Q4 | us-gaap |
Collateral Already Posted Aggregate Fair Value
CollateralAlreadyPostedAggregateFairValue
|
56000000 | USD |
CY2012Q3 | us-gaap |
Assets Needed For Immediate Settlement Aggregate Fair Value
AssetsNeededForImmediateSettlementAggregateFairValue
|
329000000 | USD |
CY2011Q4 | us-gaap |
Assets Needed For Immediate Settlement Aggregate Fair Value
AssetsNeededForImmediateSettlementAggregateFairValue
|
291000000 | USD |
CY2011Q4 | us-gaap |
Long Term Debt
LongTermDebt
|
16516000000 | USD |
CY2012Q3 | us-gaap |
Long Term Debt
LongTermDebt
|
17227000000 | USD |
aep |
Gross Realized Losses On Investment Sales On Short Term Investment
GrossRealizedLossesOnInvestmentSalesOnShortTermInvestment
|
0 | USD | |
CY2011Q3 | us-gaap |
Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
|
21000000 | USD |
CY2011Q3 | us-gaap |
Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
|
0 | USD |
aep |
Gross Realized Losses On Investment Sales On Short Term Investment
GrossRealizedLossesOnInvestmentSalesOnShortTermInvestment
|
0 | USD | |
CY2012Q3 | us-gaap |
Long Term Debt Fair Value
LongTermDebtFairValue
|
20457000000 | USD |
CY2011Q4 | us-gaap |
Long Term Debt Fair Value
LongTermDebtFairValue
|
19259000000 | USD |
CY2011Q4 | us-gaap |
Investment Owned At Cost
InvestmentOwnedAtCost
|
291000000 | USD |
CY2011Q4 | us-gaap |
Investment Owned Unrecognized Unrealized Appreciation
InvestmentOwnedUnrecognizedUnrealizedAppreciation
|
3000000 | USD |
CY2012Q3 | us-gaap |
Investment Owned Unrecognized Unrealized Appreciation
InvestmentOwnedUnrecognizedUnrealizedAppreciation
|
6000000 | USD |
CY2012Q3 | us-gaap |
Investment Owned Unrecognized Unrealized Depreciation
InvestmentOwnedUnrecognizedUnrealizedDepreciation
|
0 | USD |
CY2011Q4 | us-gaap |
Investment Owned Unrecognized Unrealized Depreciation
InvestmentOwnedUnrecognizedUnrealizedDepreciation
|
0 | USD |
CY2012Q3 | us-gaap |
Investment Owned At Cost
InvestmentOwnedAtCost
|
272000000 | USD |
CY2012Q3 | us-gaap |
Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
|
0 | USD |
CY2012Q3 | us-gaap |
Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
|
0 | USD |
CY2012Q3 | aep |
Gross Realized Gains On Investment Sales On Short Term Investment
GrossRealizedGainsOnInvestmentSalesOnShortTermInvestment
|
0 | USD |
CY2011Q3 | aep |
Gross Realized Losses On Investment Sales On Short Term Investment
GrossRealizedLossesOnInvestmentSalesOnShortTermInvestment
|
0 | USD |
CY2012Q3 | aep |
Gross Realized Losses On Investment Sales On Short Term Investment
GrossRealizedLossesOnInvestmentSalesOnShortTermInvestment
|
0 | USD |
us-gaap |
Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
|
0 | USD | |
us-gaap |
Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
|
268000000 | USD | |
us-gaap |
Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
|
153000000 | USD | |
us-gaap |
Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
|
1000000 | USD | |
aep |
Gross Realized Gains On Investment Sales On Short Term Investment
GrossRealizedGainsOnInvestmentSalesOnShortTermInvestment
|
0 | USD | |
aep |
Gross Realized Gains On Investment Sales On Short Term Investment
GrossRealizedGainsOnInvestmentSalesOnShortTermInvestment
|
4000000 | USD | |
CY2011Q3 | aep |
Gross Realized Gains On Investment Sales On Short Term Investment
GrossRealizedGainsOnInvestmentSalesOnShortTermInvestment
|
4000000 | USD |
CY2012Q2 | us-gaap |
Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
3000000 | USD |
CY2012Q3 | aep |
Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease For Items Still Owned
OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecreaseForItemsStillOwned
|
1000000 | USD |
CY2012Q3 | aep |
Amount Of Gain Loss Reclassified From Accumulated Other Comprehensive Income To Interst Income On Statement Of Income
AmountOfGainLossReclassifiedFromAccumulatedOtherComprehensiveIncomeToInterstIncomeOnStatementOfIncome
|
0 | USD |
CY2012Q3 | us-gaap |
Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
4000000 | USD |
aep |
Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease For Items Still Owned
OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecreaseForItemsStillOwned
|
2000000 | USD | |
aep |
Amount Of Gain Loss Reclassified From Accumulated Other Comprehensive Income To Interst Income On Statement Of Income
AmountOfGainLossReclassifiedFromAccumulatedOtherComprehensiveIncomeToInterstIncomeOnStatementOfIncome
|
0 | USD | |
CY2011Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
2000000 | USD |
CY2012Q3 | aep |
Gross Unrealized Gains
GrossUnrealizedGains
|
406000000 | USD |
CY2011Q4 | aep |
Gross Unrealized Gains
GrossUnrealizedGains
|
281000000 | USD |
CY2012Q3 | aep |
Temporary Impairments
TemporaryImpairments
|
-81000000 | USD |
CY2011Q4 | aep |
Temporary Impairments
TemporaryImpairments
|
-85000000 | USD |
aep |
Proceeds From Investment Sales
ProceedsFromInvestmentSales
|
826000000 | USD | |
aep |
Proceeds From Investment Sales
ProceedsFromInvestmentSales
|
699000000 | USD | |
CY2012Q3 | aep |
Proceeds From Investment Sales
ProceedsFromInvestmentSales
|
182000000 | USD |
CY2011Q3 | aep |
Proceeds From Investment Sales
ProceedsFromInvestmentSales
|
361000000 | USD |
CY2011Q3 | aep |
Purchases Of Investments
PurchasesOfInvestments
|
379000000 | USD |
CY2012Q3 | aep |
Purchases Of Investments
PurchasesOfInvestments
|
199000000 | USD |
aep |
Purchases Of Investments
PurchasesOfInvestments
|
744000000 | USD | |
aep |
Purchases Of Investments
PurchasesOfInvestments
|
871000000 | USD | |
CY2012Q3 | aep |
Gross Realized Gains On Investment Sales
GrossRealizedGainsOnInvestmentSales
|
2000000 | USD |
CY2011Q3 | aep |
Gross Realized Gains On Investment Sales
GrossRealizedGainsOnInvestmentSales
|
18000000 | USD |
aep |
Gross Realized Gains On Investment Sales
GrossRealizedGainsOnInvestmentSales
|
7000000 | USD | |
aep |
Gross Realized Gains On Investment Sales
GrossRealizedGainsOnInvestmentSales
|
30000000 | USD | |
aep |
Gross Realized Losses On Investment Sales
GrossRealizedLossesOnInvestmentSales
|
3000000 | USD | |
aep |
Gross Realized Losses On Investment Sales
GrossRealizedLossesOnInvestmentSales
|
21000000 | USD | |
CY2011Q3 | aep |
Gross Realized Losses On Investment Sales
GrossRealizedLossesOnInvestmentSales
|
12000000 | USD |
CY2012Q3 | aep |
Gross Realized Losses On Investment Sales
GrossRealizedLossesOnInvestmentSales
|
1000000 | USD |
CY2012Q3 | aep |
Adjusted Cost Of Debt Securities
AdjustedCostOfDebtSecurities
|
840000000 | USD |
CY2012Q3 | aep |
Adjusted Cost Of Equity Securities
AdjustedCostOfEquitySecurities
|
441000000 | USD |
CY2011Q4 | aep |
Adjusted Cost Of Debt Securities
AdjustedCostOfDebtSecurities
|
862000000 | USD |
CY2011Q4 | aep |
Adjusted Cost Of Equity Securities
AdjustedCostOfEquitySecurities
|
431000000 | USD |
CY2012Q3 | us-gaap |
Cash And Cash Equivalents Fair Value Disclosure
CashAndCashEquivalentsFairValueDisclosure
|
443000000 | USD |
CY2012Q3 | us-gaap |
Assets Fair Value Disclosure
AssetsFairValueDisclosure
|
2986000000 | USD |
CY2011Q4 | us-gaap |
Assets Fair Value Disclosure
AssetsFairValueDisclosure
|
2703000000 | USD |
CY2011Q4 | us-gaap |
Cash And Cash Equivalents Fair Value Disclosure
CashAndCashEquivalentsFairValueDisclosure
|
221000000 | USD |
CY2012Q2 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
|
97000000 | USD |
CY2012Q3 | aep |
Unrealized Gain Loss Included In Net Income Relating To Assets Still Held At Reporting Date
UnrealizedGainLossIncludedInNetIncomeRelatingToAssetsStillHeldAtReportingDate
|
7000000 | USD |
CY2012Q3 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements
|
4000000 | USD |
CY2012Q3 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
|
-3000000 | USD |
CY2012Q3 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
|
1000000 | USD |
CY2012Q3 | aep |
Changes In Fair Value Allocated To Regulated Jurisdiction
ChangesInFairValueAllocatedToRegulatedJurisdiction
|
0 | USD |
CY2012Q3 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
|
104000000 | USD |
CY2012Q3 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
|
-5000000 | USD |
CY2012Q3 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
|
5000000 | USD |
CY2011Q2 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
|
77000000 | USD |
CY2011Q3 | aep |
Unrealized Gain Loss Included In Net Income Relating To Assets Still Held At Reporting Date
UnrealizedGainLossIncludedInNetIncomeRelatingToAssetsStillHeldAtReportingDate
|
-5000000 | USD |
CY2011Q3 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements
|
3000000 | USD |
CY2011Q3 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
|
5000000 | USD |
CY2011Q3 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
|
1000000 | USD |
CY2011Q3 | aep |
Changes In Fair Value Allocated To Regulated Jurisdiction
ChangesInFairValueAllocatedToRegulatedJurisdiction
|
1000000 | USD |
CY2011Q3 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
|
64000000 | USD |
CY2011Q3 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
|
-16000000 | USD |
CY2011Q3 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
|
0 | USD |
CY2011Q4 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
|
69000000 | USD |
aep |
Unrealized Gain Loss Included In Net Income Relating To Assets Still Held At Reporting Date
UnrealizedGainLossIncludedInNetIncomeRelatingToAssetsStillHeldAtReportingDate
|
20000000 | USD | |
us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements
|
33000000 | USD | |
us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
|
10000000 | USD | |
us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
|
21000000 | USD | |
aep |
Changes In Fair Value Allocated To Regulated Jurisdiction
ChangesInFairValueAllocatedToRegulatedJurisdiction
|
7000000 | USD | |
us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
|
-16000000 | USD | |
us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
|
2000000 | USD | |
CY2010Q4 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
|
85000000 | USD |
aep |
Unrealized Gain Loss Included In Net Income Relating To Assets Still Held At Reporting Date
UnrealizedGainLossIncludedInNetIncomeRelatingToAssetsStillHeldAtReportingDate
|
0 | USD | |
us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements
|
5000000 | USD | |
us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
|
9000000 | USD | |
us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
|
12000000 | USD | |
aep |
Changes In Fair Value Allocated To Regulated Jurisdiction
ChangesInFairValueAllocatedToRegulatedJurisdiction
|
-12000000 | USD | |
us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
|
-11000000 | USD | |
us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
|
0 | USD | |
aep |
Significant Unobservable Input Counterparty Credit Risk
SignificantUnobservableInputCounterpartyCreditRisk
|
457 | ||
CY2011Q4 | us-gaap |
Interest Rate Derivatives At Fair Value Net
InterestRateDerivativesAtFairValueNet
|
-7000000 | USD |
CY2012Q3 | us-gaap |
Spent Nuclear Fuel Obligation Noncurrent
SpentNuclearFuelObligationNoncurrent
|
265000000 | USD |
CY2011Q4 | us-gaap |
Longterm Pollution Control Bond Current And Noncurrent
LongtermPollutionControlBondCurrentAndNoncurrent
|
2112000000 | USD |
CY2012Q3 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
121000000 | USD |
aep |
Reduction In Income Tax Original Rate
ReductionInIncomeTaxOriginalRate
|
0.0775 | pure | |
aep |
Reduction In Income Tax New Rate
ReductionInIncomeTaxNewRate
|
0.07 | pure | |
CY2011Q4 | us-gaap |
Unsecured Debt
UnsecuredDebt
|
11737000000 | USD |
CY2011Q4 | us-gaap |
Other Notes Payable
OtherNotesPayable
|
402000000 | USD |
CY2011Q4 | us-gaap |
Junior Subordinated Notes
JuniorSubordinatedNotes
|
315000000 | USD |
CY2011Q4 | us-gaap |
Other Long Term Debt
OtherLongTermDebt
|
29000000 | USD |
CY2011Q4 | us-gaap |
Debt Instrument Unamortized Discount Premium Net
DebtInstrumentUnamortizedDiscountPremiumNet
|
39000000 | USD |
CY2012Q3 | us-gaap |
Unsecured Debt
UnsecuredDebt
|
11883000000 | USD |
CY2012Q3 | us-gaap |
Longterm Pollution Control Bond Current And Noncurrent
LongtermPollutionControlBondCurrentAndNoncurrent
|
1958000000 | USD |
CY2012Q3 | us-gaap |
Other Notes Payable
OtherNotesPayable
|
469000000 | USD |
CY2012Q3 | us-gaap |
Junior Subordinated Notes
JuniorSubordinatedNotes
|
315000000 | USD |
CY2012Q3 | us-gaap |
Other Long Term Debt
OtherLongTermDebt
|
51000000 | USD |
CY2012Q3 | us-gaap |
Debt Instrument Unamortized Discount Premium Net
DebtInstrumentUnamortizedDiscountPremiumNet
|
36000000 | USD |
CY2012Q3 | us-gaap |
Secured Debt
SecuredDebt
|
2316000000 | USD |
CY2011Q4 | us-gaap |
Secured Debt
SecuredDebt
|
1688000000 | USD |
CY2012Q3 | us-gaap |
Interest Rate Derivatives At Fair Value Net
InterestRateDerivativesAtFairValueNet
|
-6000000 | USD |
CY2011Q4 | us-gaap |
Commercial Paper
CommercialPaper
|
967000000 | USD |
CY2011Q4 | us-gaap |
Spent Nuclear Fuel Obligation Noncurrent
SpentNuclearFuelObligationNoncurrent
|
265000000 | USD |
CY2012Q3 | aep |
Trust Fund Assets One Time Fee Obligation For Nuclear Fuel Disposition
TrustFundAssetsOneTimeFeeObligationForNuclearFuelDisposition
|
308000000 | USD |
CY2011Q4 | aep |
Trust Fund Assets One Time Fee Obligation For Nuclear Fuel Disposition
TrustFundAssetsOneTimeFeeObligationForNuclearFuelDisposition
|
308000000 | USD |
us-gaap |
Proceeds From Issuance Of Debt
ProceedsFromIssuanceOfDebt
|
1612000000 | USD | |
CY2012Q3 | aep |
Auction Rate Tax Exempt Long Term Debt Outstanding
AuctionRateTaxExemptLongTermDebtOutstanding
|
583000000 | USD |
aep |
Maximum Percentage Debt To Capitalization
MaximumPercentageDebtToCapitalization
|
0.675 | pure | |
aep |
Period To Defer Interest Payments On Debentures
PeriodToDeferInterestPaymentsOnDebentures
|
10 | ||
CY2012Q3 | us-gaap |
Short Term Debt Weighted Average Interest Rate
ShortTermDebtWeightedAverageInterestRate
|
0.0024 | pure |
CY2011Q4 | us-gaap |
Short Term Debt Weighted Average Interest Rate
ShortTermDebtWeightedAverageInterestRate
|
0.0027 | pure |
CY2011Q4 | us-gaap |
Debt Weighted Average Interest Rate
DebtWeightedAverageInterestRate
|
0.0051 | pure |
CY2012Q3 | us-gaap |
Debt Weighted Average Interest Rate
DebtWeightedAverageInterestRate
|
0.0045 | pure |
CY2012Q3 | us-gaap |
Commercial Paper
CommercialPaper
|
520000000 | USD |
CY2012Q3 | us-gaap |
Lines Of Credit Current
LinesOfCreditCurrent
|
0 | USD |
CY2011Q4 | us-gaap |
Lines Of Credit Current
LinesOfCreditCurrent
|
17000000 | USD |
CY2011Q4 | us-gaap |
Line Of Credit Facility Interest Rate At Period End
LineOfCreditFacilityInterestRateAtPeriodEnd
|
0.0179 | pure |
CY2012Q3 | us-gaap |
Line Of Credit Facility Interest Rate At Period End
LineOfCreditFacilityInterestRateAtPeriodEnd
|
0.00 | pure |
CY2012Q3 | aep |
Total Commitment From Bank Conduits To Finance Receivables
TotalCommitmentFromBankConduitsToFinanceReceivables
|
700000000 | USD |
CY2012Q3 | aep |
Commitment From Bank Conduits That Expire In One Year
CommitmentFromBankConduitsThatExpireInOneYear
|
385000000 | USD |
CY2012Q3 | aep |
Commitment From Bank Conduits That Expire In Three Years
CommitmentFromBankConduitsThatExpireInThreeYears
|
315000000 | USD |
CY2011Q3 | aep |
Net Uncollectible Accounts Receivable Written Off
NetUncollectibleAccountsReceivableWrittenOff
|
11000000 | USD |
CY2011Q3 | aep |
Effective Interest Rates On Securitization Of Accounts Receivable
EffectiveInterestRatesOnSecuritizationOfAccountsReceivable
|
0.0023 | pure |
aep |
Effective Interest Rates On Securitization Of Accounts Receivable
EffectiveInterestRatesOnSecuritizationOfAccountsReceivable
|
0.0027 | pure | |
aep |
Net Uncollectible Accounts Receivable Written Off
NetUncollectibleAccountsReceivableWrittenOff
|
28000000 | USD | |
aep |
Effective Interest Rates On Securitization Of Accounts Receivable
EffectiveInterestRatesOnSecuritizationOfAccountsReceivable
|
0.0026 | pure | |
CY2012Q3 | aep |
Effective Interest Rates On Securitization Of Accounts Receivable
EffectiveInterestRatesOnSecuritizationOfAccountsReceivable
|
0.0026 | pure |
aep |
Net Uncollectible Accounts Receivable Written Off
NetUncollectibleAccountsReceivableWrittenOff
|
21000000 | USD | |
CY2012Q3 | aep |
Net Uncollectible Accounts Receivable Written Off
NetUncollectibleAccountsReceivableWrittenOff
|
8000000 | USD |
CY2012Q3 | aep |
Bad Debt Reserves Related To Securitized Sale Of Accounts Receivable
BadDebtReservesRelatedToSecuritizedSaleOfAccountsReceivable
|
22000000 | USD |
CY2011Q4 | aep |
Bad Debt Reserves Related To Securitized Sale Of Accounts Receivable
BadDebtReservesRelatedToSecuritizedSaleOfAccountsReceivable
|
18000000 | USD |
CY2011Q4 | aep |
Accounts Receivable Retained Interest And Pledged As Collateral Less Uncollectible Accounts
AccountsReceivableRetainedInterestAndPledgedAsCollateralLessUncollectibleAccounts
|
902000000 | USD |
CY2012Q3 | aep |
Accounts Receivable Retained Interest And Pledged As Collateral Less Uncollectible Accounts
AccountsReceivableRetainedInterestAndPledgedAsCollateralLessUncollectibleAccounts
|
887000000 | USD |
CY2012Q3 | aep |
Unbilled Receivables Related To Securitization Sale Of Accounts Receivable
UnbilledReceivablesRelatedToSecuritizationSaleOfAccountsReceivable
|
236000000 | USD |
CY2011Q4 | aep |
Unbilled Receivables Related To Securitization Sale Of Accounts Receivable
UnbilledReceivablesRelatedToSecuritizationSaleOfAccountsReceivable
|
370000000 | USD |
CY2012Q3 | us-gaap |
Principal Amount Outstanding On Loans Held For Sale Or Securitization
PrincipalAmountOutstandingOnLoansHeldForSaleOrSecuritization
|
696000000 | USD |
CY2011Q4 | us-gaap |
Principal Amount Outstanding On Loans Held For Sale Or Securitization
PrincipalAmountOutstandingOnLoansHeldForSaleOrSecuritization
|
666000000 | USD |
CY2012Q3 | us-gaap |
Delinquent Amount At End Of Period On Loans Managed And Securitized
DelinquentAmountAtEndOfPeriodOnLoansManagedAndSecuritized
|
41000000 | USD |
CY2011Q4 | us-gaap |
Delinquent Amount At End Of Period On Loans Managed And Securitized
DelinquentAmountAtEndOfPeriodOnLoansManagedAndSecuritized
|
38000000 | USD |
us-gaap |
Restructuring And Related Cost Cost Incurred To Date
RestructuringAndRelatedCostCostIncurredToDate
|
14000000 | USD | |
us-gaap |
Payments For Restructuring
PaymentsForRestructuring
|
12000000 | USD | |
CY2012Q3 | us-gaap |
Restructuring Reserve
RestructuringReserve
|
2000000 | USD |