|
Debt (Debt Textuals) (Details) (USD $)
|
3 Months Ended |
9 Months Ended |
|
|
Sep. 30, 2012
MW
|
Sep. 30, 2011
|
Sep. 30, 2012
MW
|
Sep. 30, 2011
|
Dec. 31, 2011
MW
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Gains (Losses) on Extinguishment of Debt |
$ 0 |
$ 4,000,000 |
$ (12,000,000) |
$ (94,000,000) |
|
| Power generation capacity |
10,500 |
|
10,500 |
|
11,391 |
| Letters of Credit Outstanding, Amount |
685,000,000 |
|
685,000,000 |
|
763,000,000 |
|
2019 First Lien Term Loan [Member]
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Redemption amount percentage |
|
|
10.00% |
|
|
| Debt Instrument Redemption Premium Percentage |
|
|
103.00% |
|
|
| Debt Instrument, Face Amount |
835,000,000 |
|
835,000,000 |
|
|
| Gains (Losses) on Extinguishment of Debt |
|
|
18,000,000 |
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
4.50% |
|
4.50% |
|
|
|
First Lien Term Loans [Member]
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Term loan interest rate spread option Federal Funds effective rate |
|
|
0.50% |
|
|
| Term loan interest rate spread option Prime Rate |
|
|
2.25% |
|
|
| Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum |
|
|
3.25% |
|
|
| Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum |
|
|
1.25% |
|
|
| Percentage of principal amount of Term Loan to be paid quarterly |
|
|
0.25% |
|
|
|
BRSP [Member]
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Face Amount |
218,000,000 |
|
218,000,000 |
|
|
|
Russell City Project [Member]
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Face Amount |
845,000,000 |
|
845,000,000 |
|
|
| Power generation capacity |
619 |
|
619 |
|
|
| Long-term Construction Loan, Noncurrent |
700,000,000 |
|
700,000,000 |
|
|
| Project Letter of Credit Facility |
77,000,000 |
|
77,000,000 |
|
|
| Term Loan Period |
10 years |
|
10 years |
|
|
| Debt Service Letter of Credit Facility |
68,000,000 |
|
68,000,000 |
|
|
| Amount Drawn Under Construction Loan |
468,000,000 |
|
468,000,000 |
|
|
| Noncontrolling Interest, Ownership Percentage by Parent |
75.00% |
|
75.00% |
|
|
| Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |
25.00% |
|
25.00% |
|
|
| Applicable Margin Range Percentage Above British Bankers' Association Interest Settlement Rates |
|
|
2.25% |
|
|
| Letters of Credit Outstanding, Amount |
61,000,000 |
|
61,000,000 |
|
|
|
Los Esteros Project [Member]
|
|
|
|
|
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| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Face Amount |
373,000,000 |
|
373,000,000 |
|
|
| Power generation capacity |
188 |
|
188 |
|
|
| Power generation capacity after upgrade |
309 |
|
309 |
|
|
| Long-term Construction Loan, Noncurrent |
305,000,000 |
|
305,000,000 |
|
|
| Project Letter of Credit Facility |
38,000,000 |
|
38,000,000 |
|
|
| Term Loan Period |
10 years |
|
10 years |
|
|
| Debt Service Letter of Credit Facility |
30,000,000 |
|
30,000,000 |
|
|
| Amount Drawn Under Construction Loan |
171,000,000 |
|
171,000,000 |
|
|
| Applicable Margin Range Percentage Above British Bankers' Association Interest Settlement Rates |
|
|
2.25% |
|
|
| Letters of Credit Outstanding, Amount |
30,000,000 |
|
30,000,000 |
|
|
|
Corporate Revolving Facility [Member]
|
|
|
|
|
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| Debt Instrument [Line Items] |
|
|
|
|
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| Percentage added to Federal Funds Effective Rate to arrive at base rate |
|
|
0.50% |
|
|
| Repayment time for drawings under letters of credit |
|
|
2 days |
|
|
| Excess amount of asset sales requiring mandatory prepayments |
|
|
3,000,000,000 |
|
|
|
Corporate Revolving Facility [Member] | One Month [Member]
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest periods for LIBOR rate borrowings |
|
|
1 month |
|
|
|
Corporate Revolving Facility [Member] | Two Months [Member]
|
|
|
|
|
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| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest periods for LIBOR rate borrowings |
|
|
2 months |
|
|
|
Corporate Revolving Facility [Member] | Three Months [Member]
|
|
|
|
|
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| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest periods for LIBOR rate borrowings |
|
|
3 months |
|
|
|
Corporate Revolving Facility [Member] | Six Months [Member]
|
|
|
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| Debt Instrument [Line Items] |
|
|
|
|
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| Interest periods for LIBOR rate borrowings |
|
|
6 months |
|
|
|
Corporate Revolving Facility [Member] | Nine Months [Member]
|
|
|
|
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| Debt Instrument [Line Items] |
|
|
|
|
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| Interest periods for LIBOR rate borrowings |
|
|
9 months |
|
|
|
Corporate Revolving Facility [Member] | Twelve Months [Member]
|
|
|
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| Debt Instrument [Line Items] |
|
|
|
|
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| Interest periods for LIBOR rate borrowings |
|
|
12 months |
|
|
|
Corporate Revolving Facility [Member] | Minimum [Member]
|
|
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| Debt Instrument [Line Items] |
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|
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| Applicable margin range percentage above base rate |
|
|
2.00% |
|
|
| Applicable Margin Range Percentage Above British Bankers' Association Interest Settlement Rates |
|
|
3.00% |
|
|
| Unused commitment fee range percentage |
|
|
0.50% |
|
|
|
Corporate Revolving Facility [Member] | Maximum [Member]
|
|
|
|
|
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| Debt Instrument [Line Items] |
|
|
|
|
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| Applicable margin range percentage above base rate |
|
|
2.25% |
|
|
| Applicable Margin Range Percentage Above British Bankers' Association Interest Settlement Rates |
|
|
3.25% |
|
|
| Unused commitment fee range percentage |
|
|
0.75% |
|
|
|
CDHI [Member]
|
|
|
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| Debt Instrument [Line Items] |
|
|
|
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| Upsize Facility Total |
|
|
$ 300,000,000 |
|
|
|
First Lien Notes 2017 [Member]
|
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| Debt Instrument [Line Items] |
|
|
|
|
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| Debt Instrument, Interest Rate, Stated Percentage |
7.25% |
|
7.25% |
|
|
|
First Lien Notes 2019 [Member]
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| Debt Instrument [Line Items] |
|
|
|
|
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| Debt Instrument, Interest Rate, Stated Percentage |
8.00% |
|
8.00% |
|
|