Debt - Other (Details) - USD ($)  | 
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2015  | 
Dec. 31, 2014  | 
Dec. 31, 2013  | 
May. 31, 2013  | 
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| Debt Instrument [Line Items] | ||||
| Interest Costs Incurred | $ 997,500,000 | $ 587,000,000 | $ 414,000,000 | |
| Interest Costs Capitalized | 675,300,000 | 405,800,000 | $ 233,000,000 | |
| CTPL Term Loan [Member] | ||||
| Debt Instrument [Line Items] | ||||
| Debt Instrument, Unamortized Discount | 1,429,000 | $ 2,435,000 | ||
| CTPL [Member] | CTPL Term Loan [Member] | ||||
| Debt Instrument [Line Items] | ||||
| Debt Instrument, Unamortized Discount | $ 10,000,000.0 | |||
| Maximum Borrowing Capacity | $ 400,000,000 | $ 400,000,000.0 | ||
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of interest capitalized during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Total interest costs incurred during the period and either capitalized or charged against earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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