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Fair Value Measurements (Schedule Of Carrying Values And Estimated Fair Values Of Debt Instruments) (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Apr. 30, 2021 | Dec. 31, 2020 | Dec. 31, 2018 | Mar. 31, 2018 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2012
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt |  | $ 544.8 |  |  |  |  |  |  |
Long-term Debt, Excluding Current Maturities | $ 545.3 |  | $ 0.0 |  |  |  |  |  |
Liabilities Subject to Compromise | $ 0.0 | 0.0 | 7,313.7 |  |  |  |  |  |
Long-term Debt, Fair Value |  | $ 544.8 |  |  |  |  |  |  |
Debt Instrument, Convertible, Carrying Amount of Equity Component |  |  | $ 220.0 |  |  |  |  |  |
6.875% Senior notes due 2020 |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 6.875% |  |  |  |  |  |  |  |
6.875% Senior notes due 2020 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  |  |  |  | 6.875% |
4.70% Senior notes due 2021 |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 4.70% |  |  |  |  |  |  |  |
4.70% Senior notes due 2021 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  |  |  |  |  | 4.70%
4.875%SeniorNotesDue2022Member [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 4.875% |  |  |  |  |  |  |  |
4.875%SeniorNotesDue2022Member [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 4.875% |  |  |  |  |  |  |  |
3.00% Exchangeable senior notes due 2024 |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 3.00% |  |  |  |  |  |  |  |
4.50% Senior notes due 2024 |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 4.50% |  |  |  |  |  |  |  |
4.50% Senior notes due 2024 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  |  |  | 4.50% |  |
4.75%SeniorNotesDue2024Member [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 4.75% |  |  |  |  |  |  |  |
4.75%SeniorNotesDue2024Member [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 4.75% |  |  |  |  |  |  |  |
8.00% Senior notes due 2024 |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 8.00% |  |  |  |  |  |  |  |
8.00% Senior notes due 2024 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  | 8.00% |  |  |  |  |
5.20% Senior notes due 2025 |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 5.20% |  |  |  |  |  |  |  |
5.20% Senior notes due 2025 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  |  | 5.20% |  |  |
7.38%SeniorNotesDue2025 [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 7.375% |  |  |  |  |  |  |  |
7.38%SeniorNotesDue2025 [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 7.375% |  |  |  |  |  |  |  |
7.75% Senior notes due 2026 |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 7.75% |  |  |  |  |  |  |  |
7.75% Senior notes due 2026 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  | 7.75% |  |  |  |
7.20% Senior notes due 2027 |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 7.20% |  |  |  |  |  |  |  |
7.20% Senior notes due 2027 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  | 7.20% |  |  |  |  |  |
7.875% Senior notes due 2040 |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 7.875% |  |  |  |  |  |  |  |
5.40%SeniorNotesDue2042 [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 5.40% |  |  |  |  |  |  |  |
5.75% Senior notes due 2044 |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 5.75% |  |  |  |  |  |  |  |
5.75% Senior notes due 2044 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  |  | 5.75% | 5.75% |  |
5.85%SeniorNotesDue2044 [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 5.85% |  |  |  |  |  |  |  |
5.85%SeniorNotesDue2044 [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 5.85% |  |  |  |  |  |  |  |
Reported Value Measurement [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | $ 545.3 |  | $ 7,096.3 |  |  |  |  |  |
Long-term Debt, Excluding Current Maturities | 545.3 |  | 0.0 |  |  |  |  |  |
Liabilities Subject to Compromise | 0.0 |  | 7,096.3 |  |  |  |  |  |
Reported Value Measurement [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Liabilities Subject to Compromise |  |  | 6,500.0 |  |  |  |  |  |
Reported Value Measurement [Member] | Line of Credit [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 581.0 |  |  |  |  |  |
Reported Value Measurement [Member] | Eight Point Two Five Percent Senior Lien Notes Due Two Thousand Twenty Eight Member | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 545.3 |  | 0.0 |  |  |  |  |  |
Reported Value Measurement [Member] | 6.875% Senior notes due 2020 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 122.9 |  |  |  |  |  |
Reported Value Measurement [Member] | 4.70% Senior notes due 2021 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 100.7 |  |  |  |  |  |
Reported Value Measurement [Member] | 4.875%SeniorNotesDue2022Member [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 620.8 |  |  |  |  |  |
Reported Value Measurement [Member] | 3.00% Exchangeable senior notes due 2024 | Convertible Debt [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 849.5 |  |  |  |  |  |
Reported Value Measurement [Member] | 4.50% Senior notes due 2024 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 303.4 |  |  |  |  |  |
Reported Value Measurement [Member] | 4.75%SeniorNotesDue2024Member [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 318.6 |  |  |  |  |  |
Reported Value Measurement [Member] | 8.00% Senior notes due 2024 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 292.3 |  |  |  |  |  |
Reported Value Measurement [Member] | 5.20% Senior notes due 2025 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 333.7 |  |  |  |  |  |
Reported Value Measurement [Member] | 7.38%SeniorNotesDue2025 [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 360.8 |  |  |  |  |  |
Reported Value Measurement [Member] | 7.75% Senior notes due 2026 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 1,000.0 |  |  |  |  |  |
Reported Value Measurement [Member] | 7.20% Senior notes due 2027 | Debentures Due 2027 |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 112.1 |  |  |  |  |  |
Reported Value Measurement [Member] | 7.875% Senior notes due 2040 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 300.0 |  |  |  |  |  |
Reported Value Measurement [Member] | 5.40%SeniorNotesDue2042 [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 400.0 |  |  |  |  |  |
Reported Value Measurement [Member] | 5.75% Senior notes due 2044 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 1,000.5 |  |  |  |  |  |
Reported Value Measurement [Member] | 5.85%SeniorNotesDue2044 [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Long-term Debt | 0.0 |  | 400.0 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 575.7 |  | 940.8 |  |  |  |  |  |
Liabilities Subject to Compromise | 0.0 |  | 940.8 |  |  |  |  |  |
Long-term Debt, Fair Value | 575.7 |  | 0.0 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | Line of Credit [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 581.0 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | Eight Point Two Five Percent Senior Lien Notes Due Two Thousand Twenty Eight Member | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 575.7 |  | 0.0 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 6.875% Senior notes due 2020 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 8.6 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 4.70% Senior notes due 2021 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 4.5 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 4.875%SeniorNotesDue2022Member [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 32.9 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 3.00% Exchangeable senior notes due 2024 | Convertible Debt [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 76.5 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 4.50% Senior notes due 2024 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 13.7 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 4.75%SeniorNotesDue2024Member [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 18.8 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 8.00% Senior notes due 2024 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 12.9 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 5.20% Senior notes due 2025 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 12.7 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 7.38%SeniorNotesDue2025 [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 20.9 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 7.75% Senior notes due 2026 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 44.0 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 7.20% Senior notes due 2027 | Debentures Due 2027 |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 5.7 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 7.875% Senior notes due 2040 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 21.0 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 5.40%SeniorNotesDue2042 [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 23.6 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 5.75% Senior notes due 2044 | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | 0.0 |  | 38.0 |  |  |  |  |  |
Estimate of Fair Value Measurement [Member] | 5.85%SeniorNotesDue2044 [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, Fair Value Disclosure | $ 0.0 |  | $ 26.0 |  |  |  |  |  |

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- Definition The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 + Details
Name: | us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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