| **Debt (Details) - USD ($)**                                                                           |         | 3 Months Ended  | 12 Months Ended |              |                 |                 |                   |
|--------------------------------------------------------------------------------------------------------|---------|-----------------|-----------------|--------------|-----------------|-----------------|-------------------|
||
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 7,100,000,000 | $ 7,114,000,000 |         | $ 7,114,000,000 |            |              |   |   |
| Unamortized Discount                                                                                   |    | (22,000,000)    | (23,000,000)    |         | (23,000,000)    |            |              |   |   |
| Debt Instrument, Unamortized Premium                                                                   |    | 15,000,000      | 17,000,000      |         | 17,000,000      |            |              |   |   |
| Total Debt, Net of Discount                                                                            |    | 7,061,000,000   | 7,074,000,000   |         | 7,074,000,000   |            |              |   |   |
| Capital Lease Obligations, Current                                                                     |    | (66,000,000)    | (63,000,000)    |         | (63,000,000)    |            |              |   |   |
| Long-term Debt Due After One Year                                                                      |    | 6,995,000,000   | 7,011,000,000   |         | 7,011,000,000   |            |              |   |   |
| Gain on tendered offers                                                                                |    | 0               |            | $ 80,000,000 |            |            |              |   |   |
| Repayments                                                                                             |    |            | 850,000,000     |         |            |            |              |   |   |
| Leviathan Term Loan                                                                                    |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 0             | $ 0             |         | $ 0             |            |              |   |   |
| Debt stated rate                                                                                       |    | 0.00%           | 0.00%           |         | 0.00%           |            |              |   |   |
| Term Loan Facility [Member]                                                                            |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 550,000,000   | $ 550,000,000   |         | $ 550,000,000   |            |              |   |   |
| Debt stated rate                                                                                       |    | 2.20%           | 2.01%           |         | 2.01%           |            |              |   |   |
| Debt instrument, maturity date                                                                         |    | Jan.  06,  2019 |            |         |            |            |              |   |   |
| Maximum borrowing capacity                                                                             |    |            | $ 1,400,000,000 |         | $ 1,400,000,000 |            |              |   |   |
| Line of Credit                                                                                         |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 0             | $ 0             |         | $ 0             |            |              |   |   |
| Debt stated rate                                                                                       |    | 0.00%           | 0.00%           |         | 0.00%           |            |              |   |   |
| Debt instrument, maturity date                                                                         |    | Aug. 27,  2020  |            |         | Aug. 27,  2020  |            |              |   |   |
| Maximum borrowing capacity                                                                             |    | $ 4,000,000,000 |            |         |            |            |              |   |   |
| Credit facility fee rate basis points, minimum                                                         |    |            |            |         |            |            |              |   | 0.10% |
| Credit facility fee rate basis points, maximum                                                         |    |            |            |         |            |            |              |   | 0.25% |
| Credit facility interest rate, Eurodollar rate plus, minimum                                           |    |            |            |         |            |            |              |   | 0.90% |
| Credit facility interest rate, Eurodollar rate plus, maximum                                           |    |            |            |         |            |            |              |   | 1.50% |
| Noble Midstream Services Revolving Credit Facility, due September 20, 2021                             |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 0             | $ 0             |         | $ 0             |            |              |   |   |
| Debt stated rate                                                                                       |    | 0.00%           | 0.00%           |         | 0.00%           |            |              |   |   |
| Capital Lease and Other Obligations                                                                    |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 361,000,000   | $ 375,000,000   |         | $ 375,000,000   |            |              |   |   |
| Debt stated rate                                                                                       |    | 0.00%           | 0.00%           |         | 0.00%           |            |              |   |   |
| Capital Lease Obligations, Current                                                                     |    | $ (66,000,000)  | $ (63,000,000)  |         | $ (63,000,000)  |            |              |   |   |
| 8.25% Senior Notes, due March 1, 2019                                                                  |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 1,000,000,000 | $ 1,000,000,000 |         | $ 1,000,000,000 |            |              |   |   |
| Debt stated rate                                                                                       |    | 8.25%           | 8.25%           |         | 8.25%           |            |              |   |   |
| Debt instrument, maturity date                                                                         |    | Mar.  01,  2019 |            |         | Mar.  01,  2019 |            |              |   |   |
| 5.625% Senior Notes, due May 1, 2021                                                                   |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 379,000,000   | $ 379,000,000   |         | $ 379,000,000   |            |              |   |   |
| Debt stated rate                                                                                       |    | 5.625%          | 5.625%          |         | 5.625%          |            |              |   |   |
| Debt instrument, maturity date                                                                         |    | May  01,  2021  |            |         | May  01,  2021  |            |              |   |   |
| 4.15% Senior Notes, due December 15, 2021                                                              |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 1,000,000,000 | $ 1,000,000,000 |         | $ 1,000,000,000 |            |              |   |   |
| Debt stated rate                                                                                       |    | 4.15%           | 4.15%           |         | 4.15%           |            |              |   |   |
| Debt instrument, maturity date                                                                         |    | Dec. 15,  2021  |            |         | Dec. 15,  2021  |            |              |   |   |
| 5.875% Senior Notes, due June 1, 2022                                                                  |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 18,000,000    | $ 18,000,000    |         | $ 18,000,000    |            |              |   |   |
| Debt stated rate                                                                                       |    | 5.875%          | 5.875%          |         | 5.875%          |            |              |   |   |
| Debt instrument, maturity date                                                                         |    | Jun.  01,  2022 |            |         | Jun.  01,  2022 |            |              |   |   |
| 7.25% Senior Notes, due October 15, 2023                                                               |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 100,000,000   | $ 100,000,000   |         | $ 100,000,000   |            |              |   |   |
| Debt stated rate                                                                                       |    | 7.25%           | 7.25%           |         | 7.25%           |            |              |   |   |
| Debt instrument, maturity date                                                                         |    | Oct. 15,  2023  |            |         | Oct. 15,  2023  |            |              |   |   |
| Unamortized Debt Issuance Expense                                                                      |    | $ (32,000,000)  | $ (34,000,000)  |         | $ (34,000,000)  |            |              |   |   |
| 5.875% Senior Notes, due June 1, 2024                                                                  |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 8,000,000     | $ 8,000,000     |         | $ 8,000,000     |            |              |   |   |
| Debt stated rate                                                                                       |    | 5.875%          | 5.875%          |         | 5.875%          |            |              |   |   |
| Debt instrument, maturity date                                                                         |    | Jun.  01,  2024 |            |         | Jun.  01,  2024 |            |              |   |   |
| 3.90% Senior Notes, due November 15, 2024                                                              |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 650,000,000   | $ 650,000,000   |         | $ 650,000,000   |            |              |   |   |
| Debt stated rate                                                                                       |    | 3.90%           | 3.90%           |         | 3.90%           |            |              |   |   |
| Debt instrument, maturity date                                                                         |    | Nov. 15,  2024  |            |         | Nov. 15,  2024  |            |              |   |   |
| 8.00% Senior Notes, due April 1, 2027                                                                  |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 250,000,000   | $ 250,000,000   |         | $ 250,000,000   |            |              |   |   |
| Debt stated rate                                                                                       |    | 8.00%           | 8.00%           |         | 8.00%           |            |              |   |   |
| Debt instrument, maturity date                                                                         |    | Apr.  01,  2027 |            |         | Apr.  01,  2027 |            |              |   |   |
| 6.00% Senior Notes, due March 1, 2041                                                                  |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 850,000,000   | $ 850,000,000   |         | $ 850,000,000   |            |              |   |   |
| Debt stated rate                                                                                       |    | 6.00%           | 6.00%           |         | 6.00%           |            |              |   |   |
| Debt instrument, maturity date                                                                         |    | Mar.  01,  2041 |            |         | Mar.  01,  2041 |            |              |   |   |
| 5.25% Senior Notes, due November 15, 2043                                                              |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 1,000,000,000 | $ 1,000,000,000 |         | $ 1,000,000,000 |            |              |   |   |
| Debt stated rate                                                                                       |    | 5.25%           | 5.25%           |         | 5.25%           |            |              |   |   |
| Debt instrument, maturity date                                                                         |    | Nov. 15,  2043  |            |         | Nov. 15,  2043  |            |              |   |   |
| 5.05% Senior Notes, due November 15, 2044                                                              |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 850,000,000   | $ 850,000,000   |         | $ 850,000,000   |            |              |   |   |
| Debt stated rate                                                                                       |    | 5.05%           | 5.05%           |         | 5.05%           |            |              |   |   |
| Debt instrument, maturity date                                                                         |    | Nov. 15,  2044  |            |         | Nov. 15,  2044  |            |              |   |   |
| 7.25% Senior Debentures, due August 1, 2097                                                            |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt                                                                                                   |    | $ 84,000,000    | $ 84,000,000    |         | $ 84,000,000    |            |              |   |   |
| Debt stated rate                                                                                       |    | 7.25%           | 7.25%           |         | 7.25%           |            |              |   |   |
| Debt instrument, maturity date                                                                         |    | Aug.  01,  2097 |            |         | Aug.  01,  2097 |            |              |   |   |
| Line of Credit | Term Loan Facility [Member]                                                           |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Proceeds from Lines of Credit                                                                          |    |            |            |         | $ 1,380,000,000 |            |              |   |   |
| Debt Instrument, Term                                                                                  | 3 years |            |            |         |            |            |              |   |   |
| Line of Credit | Credit Facility [Member]                                                              |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Credit facility fee rate basis points, minimum                                                         | 0.10%   |            |            |         |            |            |              |   |   |
| Credit facility fee rate basis points, maximum                                                         | 0.75%   |            |            |         |            |            |              |   |   |
| Line of Credit | Federal Funds Effective Swap Rate [Member] | Term Loan Facility [Member]              |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt instrument, variable rate                                                                         | 0.50%   |            |            |         |            |            |              |   |   |
| Line of Credit | London Interbank Offered Rate (LIBOR) [Member] | Term Loan Facility [Member]          |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt instrument, variable rate                                                                         | 1.00%   |            |            |         |            |            |              |   |   |
| Line of Credit | London Interbank Offered Rate (LIBOR) [Member] | Credit Facility [Member]             |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Credit facility interest rate, Eurodollar rate plus, minimum                                           | 1.00%   |            |            |         |            |            |              |   |   |
| Credit facility interest rate, Eurodollar rate plus, maximum                                           | 1.75%   |            |            |         |            |            |              |   |   |
| Other Operating Income (Expense) [Member] | Line of Credit | Credit Facility [Member]                  |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Gain on tendered offers                                                                                |    |            |            |         | $ 80,000,000    |            |              |   |   |
| Noble Midstream | Line of Credit                                                                       |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Maximum borrowing capacity                                                                             |    |            |            |         |            |            |              | $ 350,000,000 |   |
| Noble Midstream | Line of Credit | Federal Funds Effective Swap Rate [Member]                          |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt instrument, variable rate                                                                         |    |            |            |         | 0.50%           |            |              |   |   |
| Noble Midstream | Line of Credit | London Interbank Offered Rate (LIBOR) [Member]                      |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt instrument, variable rate                                                                         |    |            |            |         | 1.00%           |            |              |   |   |
| Line of Credit | Leviathan Term Loan                                                                   |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Maximum borrowing capacity                                                                             |    |            |            |         |            |            | $ 1,000,000,000.0 |   |   |
| Line of Credit Facility, Unused Capacity, Commitment Fee Percentage                                    |    | 1.00%           |            |         |            |            |              |   |   |
| Long-term Line of Credit                                                                               |    | $ 625,000,000   |            |         |            |            |              |   |   |
| Line of Credit Facility, Maximum Final Balloon Payment Allowable as of Loans Outstanding               |    | 35.00%          |            |         |            |            |              |   |   |
| Line of Credit | LIBOR Prior to Production Startup [Member] | Leviathan Term Loan                      |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt instrument, variable rate                                                                         |    | 3.50%           |            |         |            |            |              |   |   |
| Line of Credit | LIBOR After Startup Prior to Two Years Before Maturity [Member] | Leviathan Term Loan |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt instrument, variable rate                                                                         |    | 3.25%           |            |         |            |            |              |   |   |
| Line of Credit | LIBOR Last Two years Until Maturity [Member] | Leviathan Term Loan                    |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Debt instrument, variable rate                                                                         |    | 3.75%           |            |         |            |            |              |   |   |
| Clayton Williams Energy | Subsequent Event [Member]                                                    |    |            |            |         |            |            |              |   |   |
| **Debt Instrument [Line Items]**                                                                       |    |            |            |         |            |            |              |   |   |
| Long-term Line of Credit                                                                               |    |            |            |         |            | $ 1,300,000,000 |              |   |   |
|                                                                                                        |
| [1].                                                                                                   |

| X                                                                                                                                                                                                                                                                                                                  |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the fee for available but unused credit capacity under the credit facility, maximum
+ References
No definition available.
+ Details**Name:**nbl_CreditFacilityFeeRateBasisPointsMaximum**Namespace Prefix:**nbl_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                  |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the fee for available but unused credit capacity under the credit facility, minimum
+ References
No definition available.
+ Details**Name:**nbl_CreditFacilityFeeRateBasisPointsMinimum**Namespace Prefix:**nbl_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                       |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Adjustment maximum made to the stated Eurodollar rate to determine the effective rate.
+ References
No definition available.
+ Details**Name:**nbl_CreditFacilityInterestRateEurodollarRatePlusMaximum**Namespace Prefix:**nbl_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                       |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Adjustment minimum made to the stated Eurodollar rate to determine the effective rate.
+ References
No definition available.
+ Details**Name:**nbl_CreditFacilityInterestRateEurodollarRatePlusMinimum**Namespace Prefix:**nbl_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                  |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Line of Credit Facility, Maximum Final Balloon Payment Allowable as of Loans Outstanding
+ References
No definition available.
+ Details**Name:**nbl_LineofCreditFacilityMaximumFinalBalloonPaymentAllowableasofLoansOutstanding**Namespace Prefix:**nbl_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of capital lease obligation due within one year or the normal operating cycle, if longer.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45023-112735
+ Details**Name:**us-gaap_CapitalLeaseObligationsCurrent**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Percentage points added to the reference rate to compute the variable rate on the debt instrument.
+ References
No definition available.
+ Details**Name:**us-gaap_DebtInstrumentBasisSpreadOnVariableRate1**Namespace Prefix:**us-gaap_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878
+ Details**Name:**us-gaap_DebtInstrumentCarryingAmount**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Contractual interest rate for funds borrowed, under the debt agreement.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682
+ Details**Name:**us-gaap_DebtInstrumentInterestRateStatedPercentage**Namespace Prefix:**us-gaap_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                               |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
+ Details**Name:**us-gaap_DebtInstrumentLineItems**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682
+ Details**Name:**us-gaap_DebtInstrumentMaturityDate**Namespace Prefix:**us-gaap_**Data Type:**xbrli:dateItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                         |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
+ References
No definition available.
+ Details**Name:**us-gaap_DebtInstrumentTerm**Namespace Prefix:**us-gaap_**Data Type:**xbrli:durationItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount, after accumulated amortization, of debt discount.
+ References
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| - Definition
Amount, after accumulated amortization, of debt premium.
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.
+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.
+ References
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| - Definition
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.
+ References
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| - Definition
The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.
+ References
No definition available.
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.
+ References
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.
+ References
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| - Definition
The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.
+ References
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