|
Debt (Details) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2011
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Dec. 31, 2010
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt Instrument [Line Items] | ||||||||||||||||
| Long-term Debt | $ 10,425 | $ 10,256 | ||||||||||||||
| Debt, Current | 104 | 152 | ||||||||||||||
| Debt, net of current portion | 10,321 | 10,104 | ||||||||||||||
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Corporate Debt Securities [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||
| Long-term Debt | 5,892 | [1] | 4,691 | [1] | ||||||||||||
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First Lien Notes 2017 [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||
| Long-term Debt | 1,200 | 1,200 | ||||||||||||||
| Debt Instrument, Interest Rate, Effective Percentage | 7.50% | [2] | 7.50% | [2] | ||||||||||||
|
First Lien Notes 2019 [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||
| Long-term Debt | 400 | 400 | ||||||||||||||
| Debt Instrument, Interest Rate, Effective Percentage | 8.20% | [2] | 8.20% | [2] | ||||||||||||
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First Lien Notes 2020 [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||
| Long-term Debt | 1,092 | 1,091 | ||||||||||||||
| Debt Instrument, Interest Rate, Effective Percentage | 8.10% | [2] | 8.10% | [2] | ||||||||||||
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First Lien Notes 2021 [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||
| Long-term Debt | 2,000 | 2,000 | ||||||||||||||
| Debt Instrument, Interest Rate, Effective Percentage | 7.70% | [2] | 7.70% | [2] | ||||||||||||
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First Lien Notes 2023 [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||
| Long-term Debt | 1,200 | [3] | 0 | [3] | ||||||||||||
| Debt Instrument, Interest Rate, Effective Percentage | 8.00% | [2] | 0.00% | [2] | ||||||||||||
| Debt Instrument, Interest Rate, Stated Percentage | 7.875% | |||||||||||||||
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Total First Lien Notes [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||
| Long-term Debt | 5,892 | 4,691 | ||||||||||||||
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Notes Payable, Other Payables [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||
| Long-term Debt | 1,691 | [4],[5] | 1,922 | [4],[5] | ||||||||||||
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Loans Payable [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||
| Long-term Debt | 1,646 | [4],[6] | 0 | [4],[6] | ||||||||||||
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Line of Credit [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||
| Long-term Debt | 0 | [1] | 1,184 | [1] | ||||||||||||
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Secured Debt [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||
| Long-term Debt | 972 | 965 | ||||||||||||||
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Capital Lease Obligations [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||
| Long-term Debt | 224 | 236 | ||||||||||||||
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NDH Project Debt Credit Facility [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||
| Long-term Debt | $ 0 | [6] | $ 1,258 | [6] | ||||||||||||
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