Organization record
QUICKSILVER RESOURCES 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": 19528000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| accounts_payable | {"amount": 16350000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_payable | {"amount": 10657000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_payable | {"amount": 22586000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| accounts_payable | {"amount": 13587000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| accounts_payable | {"amount": 13985000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_payable | {"amount": 20782000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_payable | {"amount": 28822000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_payable | {"amount": 12745000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_payable | {"amount": 16074000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_payable | {"amount": 17857000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_payable | {"amount": 37131000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_payable | {"amount": 48143000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_payable | {"amount": 111941000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_payable | {"amount": 88750000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_payable | {"amount": 142672000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_payable | {"amount": 113248000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_payable | {"amount": 105696000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_payable | {"amount": 141532000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| accounts_payable | {"amount": 147108000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| accounts_payable | {"amount": 113509000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| accounts_payable | {"amount": 122400000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| accounts_payable | {"amount": 149766000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2009-12-31 | sec_edgar |
| accounts_receivable | {"amount": 27537000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| accounts_receivable | {"amount": 29689000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_receivable | {"amount": 50026000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_receivable | {"amount": 65158000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| accounts_receivable | {"amount": 59491000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| accounts_receivable | {"amount": 69556000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_receivable | {"amount": 63426000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_receivable | {"amount": 58645000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_receivable | {"amount": 55242000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_receivable | {"amount": 44885000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_receivable | {"amount": 57419000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_receivable | {"amount": 64149000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_receivable | {"amount": 67951000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_receivable | {"amount": 64667000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_receivable | {"amount": 62686000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_receivable | {"amount": 95282000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_receivable | {"amount": 61270000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_receivable | {"amount": 72044000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_receivable | {"amount": 76694000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| accounts_receivable | {"amount": 63380000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| accounts_receivable | {"amount": 35757000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| accounts_receivable | {"amount": 42595000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| accounts_receivable | {"amount": 63738000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2009-12-31 | sec_edgar |
| capex | {"amount": 25007000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-09-30 | sec_edgar |
| capex | {"amount": 19668000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-06-30 | sec_edgar |
| capex | {"amount": 15187000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-03-31 | sec_edgar |
| capex | {"amount": 133481000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2014-12-31 | sec_edgar |
| capex | {"amount": 111444000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2014-09-30 | sec_edgar |
| capex | {"amount": 87992000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-06-30 | sec_edgar |
| capex | {"amount": 38729000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-03-31 | sec_edgar |
| capex | {"amount": 101288000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2013-12-31 | sec_edgar |
| capex | {"amount": 78549000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-09-30 | sec_edgar |
| capex | {"amount": 55849000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-06-30 | sec_edgar |
| capex | {"amount": 27442000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-03-31 | sec_edgar |
| capex | {"amount": 485479000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2012-12-31 | sec_edgar |
| capex | {"amount": 437172000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2012-09-30 | sec_edgar |
| capex | {"amount": 307169000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2012-06-30 | sec_edgar |
| capex | {"amount": 174922000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2012-03-31 | sec_edgar |
| capex | {"amount": 690607000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-12-31 | sec_edgar |
| capex | {"amount": 690607000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-12-31 | sec_edgar |
| capex | {"amount": 550954000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-09-30 | sec_edgar |
| capex | {"amount": 396156000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-06-30 | sec_edgar |
| capex | {"amount": 196547000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-03-31 | sec_edgar |
| capex | {"amount": 695114000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-12-31 | sec_edgar |
| capex | {"amount": 695114000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-12-31 | sec_edgar |
| capex | {"amount": 494338000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-09-30 | sec_edgar |
| capex | {"amount": 356402000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-06-30 | sec_edgar |
| capex | {"amount": 129331000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-03-31 | sec_edgar |
| capex | {"amount": 693838000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2009-12-31 | sec_edgar |
| capex | {"amount": 561120000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2009-09-30 | sec_edgar |
| capex | {"amount": 441184000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2009-06-30 | sec_edgar |
| capex | {"amount": 1286715000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "c | 2008-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 175673000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2015-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 200209000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2015-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 291840000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2015-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 223529000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 248325000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 22284000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 69254000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 89103000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 56478000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 96793000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 9850000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4951000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7436000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 14003000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 13032000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 13146000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 6602000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 2000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": " | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 2000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": " | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 54937000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 15136000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3308000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 601000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2010-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1785000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1568000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2009-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 657000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2009-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 2848000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2008-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 28226000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2007-12-31 | sec_edgar |
| cashflow_financing | {"amount": -143946000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2015-09-30 | sec_edgar |
| cashflow_financing | {"amount": -125988000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2015-06-30 | sec_edgar |
| cashflow_financing | {"amount": -11598000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2015-03-31 | sec_edgar |
| cashflow_financing | {"amount": 5409000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2014-12-31 | sec_edgar |
| cashflow_financing | {"amount": 9769000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2014-09-30 | sec_edgar |
| cashflow_financing | {"amount": -230067000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2014-06-30 | sec_edgar |
| cashflow_financing | {"amount": -31905000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2014-03-31 | sec_edgar |
| cashflow_financing | {"amount": -114218000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2013-12-31 | sec_edgar |
| cashflow_financing | {"amount": -170495000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2013-09-30 | sec_edgar |
| cashflow_financing | {"amount": -122553000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2013-06-30 | sec_edgar |
| cashflow_financing | {"amount": 45824000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2013-03-31 | sec_edgar |
| cashflow_financing | {"amount": 137089000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-12-31 | sec_edgar |
| cashflow_financing | {"amount": 245253000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-09-30 | sec_edgar |
| cashflow_financing | {"amount": 163314000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-06-30 | sec_edgar |
| cashflow_financing | {"amount": 106021000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": 119556000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": 119556000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": 178549000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_financing | {"amount": 82094000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_financing | {"amount": 128409000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": -392144000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": -392144000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": 137077000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": 111225000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": 61877000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-03-31 | sec_edgar |
| cashflow_financing | {"amount": -143391000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2009-12-31 | sec_edgar |
| cashflow_financing | {"amount": -113570000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2009-09-30 | sec_edgar |
| cashflow_financing | {"amount": -104961000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2009-06-30 | sec_edgar |
| cashflow_financing | {"amount": 1796753000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2008-12-31 | sec_edgar |
| cashflow_investing | {"amount": -22029000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2015-09-30 | sec_edgar |
| cashflow_investing | {"amount": -16786000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2015-06-30 | sec_edgar |
| cashflow_investing | {"amount": -13855000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2015-03-31 | sec_edgar |
| cashflow_investing | {"amount": 131463000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2014-12-31 | sec_edgar |
| cashflow_investing | {"amount": 152220000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2014-09-30 | sec_edgar |
| cashflow_investing | {"amount": 163441000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2014-06-30 | sec_edgar |
| cashflow_investing | {"amount": 31309000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2014-03-31 | sec_edgar |
| cashflow_investing | {"amount": 246044000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-12-31 | sec_edgar |
| cashflow_investing | {"amount": 300515000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-09-30 | sec_edgar |
| cashflow_investing | {"amount": 290594000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-06-30 | sec_edgar |
| cashflow_investing | {"amount": -26834000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-03-31 | sec_edgar |
| cashflow_investing | {"amount": -371657000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2012-12-31 | sec_edgar |
| cashflow_investing | {"amount": -392232000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2012-09-30 | sec_edgar |
| cashflow_investing | {"amount": -262700000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2012-06-30 | sec_edgar |
| cashflow_investing | {"amount": -133365000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": -413479000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -413479000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -401436000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2011-09-30 | sec_edgar |
| cashflow_investing | {"amount": -258610000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2011-06-30 | sec_edgar |
| cashflow_investing | {"amount": -194337000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": 48828000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": 48828000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": -470810000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": -355538000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": -128613000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2010-03-31 | sec_edgar |
| cashflow_investing | {"amount": -472864000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": -340082000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2009-09-30 | sec_edgar |
| cashflow_investing | {"amount": -207696000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2009-06-30 | sec_edgar |
| cashflow_investing | {"amount": -2278588000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", " | 2008-12-31 | sec_edgar |
| cashflow_operating | {"amount": 111869000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2015-09-30 | sec_edgar |
| cashflow_operating | {"amount": 112865000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2015-06-30 | sec_edgar |
| cashflow_operating | {"amount": 87990000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2015-03-31 | sec_edgar |
| cashflow_operating | {"amount": -7629000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-12-31 | sec_edgar |
| cashflow_operating | {"amount": -4983000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-09-30 | sec_edgar |
| cashflow_operating | {"amount": -763000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2014-06-30 | sec_edgar |
| cashflow_operating | {"amount": -19984000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2014-03-31 | sec_edgar |
| cashflow_operating | {"amount": -51700000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2013-12-31 | sec_edgar |
| cashflow_operating | {"amount": -81103000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2013-09-30 | sec_edgar |
| cashflow_operating | {"amount": -78106000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2013-06-30 | sec_edgar |
| cashflow_operating | {"amount": -14394000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2013-03-31 | sec_edgar |
| cashflow_operating | {"amount": 227727000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2012-12-31 | sec_edgar |
| cashflow_operating | {"amount": 141376000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2012-09-30 | sec_edgar |
| cashflow_operating | {"amount": 99516000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-06-30 | sec_edgar |
| cashflow_operating | {"amount": 27370000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_operating | {"amount": 253053000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": 253053000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": 174666000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_operating | {"amount": 123352000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2011-06-30 | sec_edgar |
| cashflow_operating | {"amount": 11713000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 397720000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 397720000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 347390000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 246507000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 65772000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-03-31 | sec_edgar |
| cashflow_operating | {"amount": 612303000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": 450593000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2009-09-30 | sec_edgar |
| cashflow_operating | {"amount": 310341000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2009-06-30 | sec_edgar |
| cashflow_operating | {"amount": 456566000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2008-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 191487376, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 191505165, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 191573739, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 187802994, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 187222654, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 184764736, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 184761865, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 183994879, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 183685021, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 182839101, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-06-30 | sec_edgar |