v3.6.0.2
Debt (Project Financing, Notes Payable and Others) (Details) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Long-term Debt $ 12,046 $ 11,292
Russell City Project [Member]    
Debt Instrument [Line Items]    
Long-term Debt [1] $ 462 $ 522
Debt Instrument, Interest Rate, Effective Percentage [2] 6.50% 6.40%
Steamboat [Member]    
Debt Instrument [Line Items]    
Long-term Debt [3] $ 444 $ 448
Debt Instrument, Interest Rate, Effective Percentage [2] 5.40% 6.80%
OMEC [Member]    
Debt Instrument [Line Items]    
Long-term Debt $ 303 $ 313
Debt Instrument, Interest Rate, Effective Percentage [2] 7.20% 7.10%
Los Esteros Project [Member]    
Debt Instrument [Line Items]    
Long-term Debt $ 217 $ 242
Debt Instrument, Interest Rate, Effective Percentage [2] 3.70% 3.10%
Pasadena [Member]    
Debt Instrument [Line Items]    
Long-term Debt [4] $ 91 $ 107
Debt Instrument, Interest Rate, Effective Percentage [2] 8.90% 8.90%
Bethpage [Member]    
Debt Instrument [Line Items]    
Long-term Debt [5] $ 66 $ 73
Debt Instrument, Interest Rate, Effective Percentage [2],[5] 7.20% 7.20%
Other Debt Obligations [Member]    
Debt Instrument [Line Items]    
Long-term Debt $ 14 $ 10
Debt Instrument, Interest Rate, Effective Percentage [2] 0.00% 0.00%
Project Financing Total [Member]    
Debt Instrument [Line Items]    
Long-term Debt $ 1,597 $ 1,715
[1] We refinanced our Russell City project debt during the fourth quarter of 2016 which lowered the interest rate.
[2] Our weighted average interest rate calculation includes the amortization of debt issuance costs and debt discount.
[3] We refinanced and upsized our Steamboat project debt during the fourth quarter of 2016 which extended the maturity to November 14, 2025.
[4] Represents a failed sale-leaseback transaction that is accounted for as financing transaction under U.S. GAAP.
[5] Represents a weighted average of first and second lien loans for the weighted average effective interest rates.