Organization record
NORTHERN ILLINOIS GAS CO /IL/ /NEW/
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_receivable | {"amount": 126000000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2012-09-30 | sec_edgar |
| accounts_receivable | {"amount": 140000000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2012-06-30 | sec_edgar |
| accounts_receivable | {"amount": 255000000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2012-03-31 | sec_edgar |
| accounts_receivable | {"amount": 336000000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2011-12-31 | sec_edgar |
| accounts_receivable | {"amount": 166000000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2011-09-30 | sec_edgar |
| accounts_receivable | {"amount": 212000000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2011-06-30 | sec_edgar |
| accounts_receivable | {"amount": 452000000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2011-03-31 | sec_edgar |
| accounts_receivable | {"amount": 378000000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2010-12-31 | sec_edgar |
| accounts_receivable | {"amount": 148100000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2010-09-30 | sec_edgar |
| accounts_receivable | {"amount": 189000000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2010-06-30 | sec_edgar |
| capex | {"amount": 146000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2012-09-30 | sec_edgar |
| capex | {"amount": 82000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-06-30 | sec_edgar |
| capex | {"amount": 36000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-03-31 | sec_edgar |
| capex | {"amount": 198000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-12-31 | sec_edgar |
| capex | {"amount": 140000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-09-30 | sec_edgar |
| capex | {"amount": 84000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-06-30 | sec_edgar |
| capex | {"amount": 40000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-03-31 | sec_edgar |
| capex | {"amount": 187000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-12-31 | sec_edgar |
| capex | {"amount": 124500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-09-30 | sec_edgar |
| capex | {"amount": 76100000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-06-30 | sec_edgar |
| capex | {"amount": 193000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 6000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 200000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 200000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2008-12-31 | sec_edgar |
| cashflow_financing | {"amount": -308000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2012-09-30 | sec_edgar |
| cashflow_financing | {"amount": -452000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2012-06-30 | sec_edgar |
| cashflow_financing | {"amount": -347000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": -99000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": -221000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2011-09-30 | sec_edgar |
| cashflow_financing | {"amount": -438000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2011-06-30 | sec_edgar |
| cashflow_financing | {"amount": -315000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": -139000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": -206300000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": -448600000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": -296000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": -141000000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2012-09-30 | sec_edgar |
| cashflow_investing | {"amount": -79000000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-06-30 | sec_edgar |
| cashflow_investing | {"amount": -34000000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": -194000000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -136000000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2011-09-30 | sec_edgar |
| cashflow_investing | {"amount": -82000000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-06-30 | sec_edgar |
| cashflow_investing | {"amount": -39000000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": -183000000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": -121400000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": -74500000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": -188000000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": 449000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2012-09-30 | sec_edgar |
| cashflow_operating | {"amount": 537000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2012-06-30 | sec_edgar |
| cashflow_operating | {"amount": 381000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2012-03-31 | sec_edgar |
| cashflow_operating | {"amount": 293000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": 357000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_operating | {"amount": 520000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2011-06-30 | sec_edgar |
| cashflow_operating | {"amount": 354000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 321000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 327300000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 522700000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 483000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2009-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 0, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-10-01 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 15232414000000, "concept": "us-gaap:CommonStockSharesOutstandi | 2012-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 0, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-08-01 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 0, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 15232414000000, "concept": "us-gaap:CommonStockSharesOutstandi | 2011-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 15232414000000, "concept": "us-gaap:CommonStockSharesOutstandi | 2011-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 0, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 15232414, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2010-12-31 | sec_edgar |
| cost_of_revenue | {"amount": 515000000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2012-09-30 | sec_edgar |
| cost_of_revenue | {"amount": 64000000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2012-09-30 | sec_edgar |
| cost_of_revenue | {"amount": 451000000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2012-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 80000000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2012-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 915000000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2011-09-30 | sec_edgar |
| cost_of_revenue | {"amount": 93000000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2011-09-30 | sec_edgar |
| cost_of_revenue | {"amount": 182000000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2011-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 822000000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2011-06-30 | sec_edgar |
| current_assets | {"amount": 396000000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| current_assets | {"amount": 287000000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| current_assets | {"amount": 394000000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| current_assets | {"amount": 576000000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| current_assets | {"amount": 491000000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| current_assets | {"amount": 341000000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| current_assets | {"amount": 581000000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| current_assets | {"amount": 663000000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| current_assets | {"amount": 529300000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| current_assets | {"amount": 357800000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| current_liabilities | {"amount": 631000000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| current_liabilities | {"amount": 496000000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| current_liabilities | {"amount": 611000000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| current_liabilities | {"amount": 846000000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| current_liabilities | {"amount": 755000000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| current_liabilities | {"amount": 605000000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| current_liabilities | {"amount": 844000000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| current_liabilities | {"amount": 977000000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| current_liabilities | {"amount": 921900000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| current_liabilities | {"amount": 755400000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| debt_current | {"amount": 173000000, "concept": "us-gaap:DebtCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| debt_current | {"amount": 0, "concept": "us-gaap:DebtCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| debt_current | {"amount": 452000000, "concept": "us-gaap:DebtCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| debt_current | {"amount": 310000000, "concept": "us-gaap:DebtCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| debt_current | {"amount": 66000000, "concept": "us-gaap:DebtCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2012-10-01 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2012-08-01 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2012-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2011-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2011-09-30 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2011-06-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2012-03-31 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2011-12-31 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2011-09-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2011-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 49000000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency" | 2012-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 189000000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency | 2011-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 141300000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency | 2011-09-30 | sec_edgar |
| depreciation_amortization | {"amount": 94200000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency" | 2011-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 47000000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency" | 2011-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 184000000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency | 2010-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 137800000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency | 2010-09-30 | sec_edgar |
| depreciation_amortization | {"amount": 91900000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency" | 2010-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 177000000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency | 2009-12-31 | sec_edgar |
| dividends_paid | {"amount": 0, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2012-03-31 | sec_edgar |
| dividends_paid | {"amount": 82000000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2011-12-31 | sec_edgar |
| dividends_paid | {"amount": 63800000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2011-09-30 | sec_edgar |
| dividends_paid | {"amount": 45800000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2011-06-30 | sec_edgar |
| dividends_paid | {"amount": 25000000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2011-03-31 | sec_edgar |
| dividends_paid | {"amount": 106000000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "US | 2010-12-31 | sec_edgar |
| dividends_paid | {"amount": 81900000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2010-09-30 | sec_edgar |
| dividends_paid | {"amount": 58000000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2010-06-30 | sec_edgar |
| dividends_paid | {"amount": 70000000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2009-12-31 | sec_edgar |
| income_tax_expense | {"amount": 24000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-09-30 | sec_edgar |
| income_tax_expense | {"amount": 4000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-09-30 | sec_edgar |
| income_tax_expense | {"amount": 4000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-06-30 | sec_edgar |
| income_tax_expense | {"amount": 20000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-06-30 | sec_edgar |
| income_tax_expense | {"amount": 16000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-03-31 | sec_edgar |
| income_tax_expense | {"amount": 28000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-12-31 | sec_edgar |
| income_tax_expense | {"amount": 35000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-09-30 | sec_edgar |
| income_tax_expense | {"amount": 5000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-09-30 | sec_edgar |
| income_tax_expense | {"amount": 7000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-06-30 | sec_edgar |
| income_tax_expense | {"amount": 30000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-06-30 | sec_edgar |
| income_tax_expense | {"amount": 23000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-03-31 | sec_edgar |
| income_tax_expense | {"amount": 59000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-12-31 | sec_edgar |
| income_tax_expense | {"amount": 4300000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": 42800000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": 38500000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": 6800000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": 40000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-12-31 | sec_edgar |
| industry_sic | {"code": "4922", "scheme": "SIC", "description": "Natural Gas Transmission"} | sec_edgar | |
| interest_expense | {"amount": 7000000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-09-30 | sec_edgar |
| interest_expense | {"amount": 23000000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-09-30 | sec_edgar |
| interest_expense | {"amount": 16000000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-06-30 | sec_edgar |
| interest_expense | {"amount": 8000000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-06-30 | sec_edgar |
| interest_expense | {"amount": 8000000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-03-31 | sec_edgar |
| interest_expense | {"amount": 32000000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-12-31 | sec_edgar |
| interest_expense | {"amount": 8000000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-09-30 | sec_edgar |
| interest_expense | {"amount": 23000000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-09-30 | sec_edgar |
| interest_expense | {"amount": 15000000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-06-30 | sec_edgar |
| interest_expense | {"amount": 8000000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-06-30 | sec_edgar |
| interest_expense | {"amount": 7000000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-03-31 | sec_edgar |
| interest_expense | {"amount": 36000000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-12-31 | sec_edgar |
| interest_expense | {"amount": 27300000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-09-30 | sec_edgar |
| interest_expense | {"amount": 9100000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-09-30 | sec_edgar |
| interest_expense | {"amount": 9100000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-06-30 | sec_edgar |
| interest_expense | {"amount": 18200000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-06-30 | sec_edgar |
| interest_expense | {"amount": 37000000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2009-12-31 | sec_edgar |
| inventory | {"amount": 148000000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2012-09-30 | sec_edgar |
| inventory | {"amount": 14000000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2012-06-30 | sec_edgar |
| inventory | {"amount": 123000000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2011-12-31 | sec_edgar |
| inventory | {"amount": 202000000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2011-09-30 | sec_edgar |
| inventory | {"amount": 17000000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2011-06-30 | sec_edgar |
| long_term_debt | {"amount": 499000000, "concept": "us-gaap:LongTermDebt", "currency": "USD"} | 2012-06-30 | sec_edgar |
| long_term_debt | {"amount": 951000000, "concept": "us-gaap:LongTermDebt", "currency": "USD"} | 2011-12-31 | sec_edgar |
| long_term_debt | {"amount": 565000000, "concept": "us-gaap:LongTermDebt", "currency": "USD"} | 2011-06-30 | sec_edgar |
| long_term_debt_current | {"amount": 300000, "concept": "us-gaap:LongTermDebtCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| long_term_debt_current | {"amount": 300000, "concept": "us-gaap:LongTermDebtCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| long_term_debt_current | {"amount": 300000, "concept": "us-gaap:LongTermDebtCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| long_term_debt_current | {"amount": 75300000, "concept": "us-gaap:LongTermDebtCurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| long_term_debt_current | {"amount": 75300000, "concept": "us-gaap:LongTermDebtCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| long_term_debt_noncurrent | {"amount": 499000000, "concept": "us-gaap:LongTermDebtNoncurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| long_term_debt_noncurrent | {"amount": 499000000, "concept": "us-gaap:LongTermDebtNoncurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| long_term_debt_noncurrent | {"amount": 498500000, "concept": "us-gaap:LongTermDebtNoncurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| long_term_debt_noncurrent | {"amount": 498500000, "concept": "us-gaap:LongTermDebtNoncurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| long_term_debt_noncurrent | {"amount": 499000000, "concept": "us-gaap:LongTermDebtNoncurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| long_term_debt_noncurrent | {"amount": 498000000, "concept": "us-gaap:LongTermDebtNoncurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| long_term_debt_noncurrent | {"amount": 423400000, "concept": "us-gaap:LongTermDebtNoncurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| long_term_debt_noncurrent | {"amount": 423300000, "concept": "us-gaap:LongTermDebtNoncurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| net_income | {"amount": 25000000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-03-31 | sec_edgar |
| net_income | {"amount": 50000000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-12-31 | sec_edgar |
| net_income | {"amount": 8200000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-09-30 | sec_edgar |
| net_income | {"amount": 58100000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-09-30 | sec_edgar |
| net_income | {"amount": 49900000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-06-30 | sec_edgar |
| net_income | {"amount": 12500000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-06-30 | sec_edgar |
| net_income | {"amount": 37000000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-03-31 | sec_edgar |
| net_income | {"amount": 101000000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-12-31 | sec_edgar |
| net_income | {"amount": 7700000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-09-30 | sec_edgar |