Organization record
ALLEGHENY ENERGY, INC
All evidence-backed facts for this organization, identity resolved across official registers.
Facts on record
Newest first; every row links to its evidence page.
| Fact | Value | Period | Source |
|---|---|---|---|
| accounts_payable | {"amount": 383400000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| accounts_payable | {"amount": 360000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| accounts_payable | {"amount": 357800000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| accounts_payable | {"amount": 412700000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-03-31 | sec_edgar |
| accounts_payable | {"amount": 411400000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2009-12-31 | sec_edgar |
| accounts_payable | {"amount": 346100000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2009-09-30 | sec_edgar |
| accounts_payable | {"amount": 368000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2008-12-31 | sec_edgar |
| capex | {"amount": 950500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-12-31 | sec_edgar |
| capex | {"amount": 726600000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-09-30 | sec_edgar |
| capex | {"amount": 511000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-06-30 | sec_edgar |
| capex | {"amount": 266900000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-03-31 | sec_edgar |
| capex | {"amount": 1166200000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "c | 2009-12-31 | sec_edgar |
| capex | {"amount": 870100000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2009-09-30 | sec_edgar |
| capex | {"amount": 550200000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2009-06-30 | sec_edgar |
| capex | {"amount": 254100000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2009-03-31 | sec_edgar |
| capex | {"amount": 994100000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2008-12-31 | sec_edgar |
| capex | {"amount": 714300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2008-09-30 | sec_edgar |
| capex | {"amount": 478391000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2008-06-30 | sec_edgar |
| capex | {"amount": 848400000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2007-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 490200000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 463600000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 477600000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 185900000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 286600000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 278300000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2009-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 232000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2009-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 205900000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2009-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 362100000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2008-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 112000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2008-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 120620000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2008-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 258800000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2007-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 114100000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2006-12-31 | sec_edgar |
| cashflow_financing | {"amount": 13200000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": -93700000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": -2200000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": -31400000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-03-31 | sec_edgar |
| cashflow_financing | {"amount": 209700000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_financing | {"amount": 175200000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2009-09-30 | sec_edgar |
| cashflow_financing | {"amount": 75700000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2009-06-30 | sec_edgar |
| cashflow_financing | {"amount": 32900000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2009-03-31 | sec_edgar |
| cashflow_financing | {"amount": 64200000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2008-12-31 | sec_edgar |
| cashflow_financing | {"amount": -145500000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2008-09-30 | sec_edgar |
| cashflow_financing | {"amount": 18948000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2008-06-30 | sec_edgar |
| cashflow_financing | {"amount": 420300000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2007-12-31 | sec_edgar |
| cashflow_investing | {"amount": -625600000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": -376600000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": -170800000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": -247900000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2010-03-31 | sec_edgar |
| cashflow_investing | {"amount": -1084800000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", " | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": -742700000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2009-09-30 | sec_edgar |
| cashflow_investing | {"amount": -446800000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2009-06-30 | sec_edgar |
| cashflow_investing | {"amount": -196500000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2009-03-31 | sec_edgar |
| cashflow_investing | {"amount": -822300000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2008-12-31 | sec_edgar |
| cashflow_investing | {"amount": -590400000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2008-09-30 | sec_edgar |
| cashflow_investing | {"amount": -471215000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2008-06-30 | sec_edgar |
| cashflow_investing | {"amount": -1231400000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", " | 2007-12-31 | sec_edgar |
| cashflow_operating | {"amount": 816000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 647300000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 364000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 178600000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-03-31 | sec_edgar |
| cashflow_operating | {"amount": 799600000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": 483700000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2009-09-30 | sec_edgar |
| cashflow_operating | {"amount": 241000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2009-06-30 | sec_edgar |
| cashflow_operating | {"amount": 7400000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2009-03-31 | sec_edgar |
| cashflow_operating | {"amount": 861400000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2008-12-31 | sec_edgar |
| cashflow_operating | {"amount": 589100000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2008-09-30 | sec_edgar |
| cashflow_operating | {"amount": 314137000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2008-06-30 | sec_edgar |
| cashflow_operating | {"amount": 955800000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2007-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 170028499, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 169990965, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 169666019, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 169629317, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 169620917, "concept": "us-gaap:CommonStockSharesIssued"} | 2009-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 169571717, "concept": "us-gaap:CommonStockSharesIssued"} | 2009-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 169532084, "concept": "us-gaap:CommonStockSharesIssued"} | 2009-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 169413887, "concept": "us-gaap:CommonStockSharesIssued"} | 2008-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 169973542, "concept": "dei:EntityCommonStockSharesOutstanding" | 2010-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 169939233, "concept": "dei:EntityCommonStockSharesOutstanding" | 2010-10-29 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 169615021, "concept": "dei:EntityCommonStockSharesOutstanding" | 2010-07-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 169578804, "concept": "dei:EntityCommonStockSharesOutstanding" | 2010-04-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 169569604, "concept": "dei:EntityCommonStockSharesOutstanding" | 2009-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 169562824, "concept": "dei:EntityCommonStockSharesOutstanding" | 2009-10-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 169482591, "concept": "dei:EntityCommonStockSharesOutstanding" | 2009-07-31 | sec_edgar |
| current_assets | {"amount": 1515600000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| current_assets | {"amount": 1400400000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| current_assets | {"amount": 1447500000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| current_assets | {"amount": 1279300000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-03-31 | sec_edgar |
| current_assets | {"amount": 1345300000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2009-12-31 | sec_edgar |
| current_assets | {"amount": 1372600000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2009-09-30 | sec_edgar |
| current_assets | {"amount": 1404150000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2009-06-30 | sec_edgar |
| current_assets | {"amount": 1495700000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2008-12-31 | sec_edgar |
| current_liabilities | {"amount": 790900000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| current_liabilities | {"amount": 749900000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| current_liabilities | {"amount": 861200000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| current_liabilities | {"amount": 959000000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-03-31 | sec_edgar |
| current_liabilities | {"amount": 985600000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2009-12-31 | sec_edgar |
| current_liabilities | {"amount": 952000000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2009-09-30 | sec_edgar |
| current_liabilities | {"amount": 923922000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2009-06-30 | sec_edgar |
| current_liabilities | {"amount": 1003600000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2008-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 169973542} | 2010-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 169939233} | 2010-10-29 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 169615021} | 2010-07-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 169578804} | 2010-04-30 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 169569604} | 2009-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 169562824} | 2009-10-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 169482591} | 2009-07-31 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 3440110307, "currency": "USD"} | 2010-06-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 3552483204, "currency": "USD"} | 2009-06-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 8405810288, "currency": "USD"} | 2008-06-30 | sec_edgar |
| dividends_paid | {"amount": 101800000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "US | 2010-12-31 | sec_edgar |
| dividends_paid | {"amount": 76300000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2010-09-30 | sec_edgar |
| dividends_paid | {"amount": 50900000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2010-06-30 | sec_edgar |
| dividends_paid | {"amount": 25400000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2010-03-31 | sec_edgar |
| dividends_paid | {"amount": 101700000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "US | 2009-12-31 | sec_edgar |
| dividends_paid | {"amount": 76200000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2009-09-30 | sec_edgar |
| dividends_paid | {"amount": 50800000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2009-06-30 | sec_edgar |
| dividends_paid | {"amount": 25400000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2009-03-31 | sec_edgar |
| dividends_paid | {"amount": 101100000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "US | 2008-12-31 | sec_edgar |
| dividends_paid | {"amount": 75700000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2008-09-30 | sec_edgar |
| dividends_paid | {"amount": 50413000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2008-06-30 | sec_edgar |
| dividends_paid | {"amount": 25000000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2007-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 2.42, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.91, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.68, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.23, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.71, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.52, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 2.32, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.67, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.45, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.43, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.22, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.79, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 2.35, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2008-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.53, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2008-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 2.25, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2008-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.73, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2008-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.92, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2008-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 2.48, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2007-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 2.42, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.68, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.9, "concept": "us-gaap:EarningsPerShareDiluted", "currency": | 2010-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.71, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.23, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.52, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 2.31, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2009-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.45, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2009-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.67, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2009-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.22, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2009-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.43, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2009-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.79, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2009-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 2.33, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2008-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 2.23, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2008-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.52, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2008-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.71, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2008-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.91, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2008-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 2.43, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2007-12-31 | sec_edgar |
| goodwill | {"amount": 367300000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2010-12-31 | sec_edgar |
| goodwill | {"amount": 367300000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2010-09-30 | sec_edgar |
| goodwill | {"amount": 367300000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2010-06-30 | sec_edgar |
| goodwill | {"amount": 367300000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2010-03-31 | sec_edgar |
| goodwill | {"amount": 367300000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2009-12-31 | sec_edgar |
| goodwill | {"amount": 367300000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2009-09-30 | sec_edgar |
| goodwill | {"amount": 367287000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2009-06-30 | sec_edgar |
| goodwill | {"amount": 367300000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2008-12-31 | sec_edgar |
| income_tax_expense | {"amount": 216700000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-12-31 | sec_edgar |
| income_tax_expense | {"amount": 58300000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": 187800000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": 73800000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": 129600000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": 55800000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-03-31 | sec_edgar |
| income_tax_expense | {"amount": 241600000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-12-31 | sec_edgar |
| income_tax_expense | {"amount": 45300000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-09-30 | sec_edgar |
| income_tax_expense | {"amount": 195100000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-09-30 | sec_edgar |
| income_tax_expense | {"amount": 48900000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-06-30 | sec_edgar |
| income_tax_expense | {"amount": 149800000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-06-30 | sec_edgar |
| income_tax_expense | {"amount": 100900000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-03-31 | sec_edgar |
| income_tax_expense | {"amount": 204100000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2008-12-31 | sec_edgar |
| income_tax_expense | {"amount": 192500000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2008-09-30 | sec_edgar |
| income_tax_expense | {"amount": 44300000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2008-09-30 | sec_edgar |
| income_tax_expense | {"amount": 148113000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2008-06-30 | sec_edgar |
| income_tax_expense | {"amount": 89820000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2008-06-30 | sec_edgar |
| income_tax_expense | {"amount": 250800000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2007-12-31 | sec_edgar |
| industry_sic | {"code": "4911", "scheme": "SIC", "description": "Electric Services"} | sec_edgar | |
| interest_expense | {"amount": 316400000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-12-31 | sec_edgar |
| interest_expense | {"amount": 83600000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-09-30 | sec_edgar |
| interest_expense | {"amount": 240100000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-09-30 | sec_edgar |
| interest_expense | {"amount": 79600000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-06-30 | sec_edgar |
| interest_expense | {"amount": 156400000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-06-30 | sec_edgar |
| interest_expense | {"amount": 76900000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-03-31 | sec_edgar |
| interest_expense | {"amount": 291100000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2009-12-31 | sec_edgar |
| interest_expense | {"amount": 85100000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2009-09-30 | sec_edgar |
| interest_expense | {"amount": 201500000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2009-09-30 | sec_edgar |
| interest_expense | {"amount": 116300000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2009-06-30 | sec_edgar |
| interest_expense | {"amount": 59100000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2009-06-30 | sec_edgar |
| interest_expense | {"amount": 57300000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2009-03-31 | sec_edgar |
| interest_expense | {"amount": 231900000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2008-12-31 | sec_edgar |
| interest_expense | {"amount": 57900000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2008-09-30 | sec_edgar |
| interest_expense | {"amount": 175000000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2008-09-30 | sec_edgar |
| interest_expense | {"amount": 58704000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2008-06-30 | sec_edgar |