v3.19.1

Debt (Project Financing, Notes Payable and Others) (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Debt Instrument [Line Items] |  |  |
Long-term Debt |  | $ 10,156 | $ 11,213
Russell City Project [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt |  | $ 341 | $ 401
Debt Instrument, Interest Rate, Effective Percentage | [1] | 6.50% | 6.40%
Steamboat [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt |  | $ 384 | $ 414
Debt Instrument, Interest Rate, Effective Percentage | [1] | 4.50% | 4.70%
OMEC [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt | [2] | $ 218 | $ 294
Debt Instrument, Interest Rate, Effective Percentage | [1] | 7.10% | 7.20%
Los Esteros Project [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt |  | $ 163 | $ 191
Debt Instrument, Interest Rate, Effective Percentage | [1] | 4.70% | 5.30%
Pasadena [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt | [3] | $ 76 | $ 89
Debt Instrument, Interest Rate, Effective Percentage | [1] | 8.90% | 8.90%
Bethpage [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt | [4] | $ 53 | $ 60
Debt Instrument, Interest Rate, Effective Percentage | [1] | 7.10% | 7.10%
Other Debt Obligations [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt |  | $ 29 | $ 49
Debt Instrument, Interest Rate, Effective Percentage | [1] | 0.00% | 0.00%
Project Financing Total [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt |  | $ 1,264 | $ 1,498
[1] | Our weighted average interest rate calculation includes the amortization of debt issuance costs and debt discount.
[2] | On December 19, 2018, we refinanced the project debt associated with OMEC which lowered the aggregate debt balance to $220 million and extended the maturity to August 2024. In the event that the OMEC put option is exercised, the debt will become payable on November 3, 2019. See Note 7 for further information related to the OMEC put option.
[3] | Represents a failed sale-leaseback transaction that is accounted for as financing transaction under U.S. GAAP.
[4] | Represents a weighted average of first and second lien loans for the weighted average effective interest rates.

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