Annual report pursuant to Section 13 and 15(d)

Debt - Other (Details)

v3.3.1.900
Debt - Other (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
May. 31, 2013
Debt Instrument [Line Items]        
Interest Costs Incurred $ 707,700,000 $ 580,200,000 $ 414,000,000  
Interest Costs Capitalized 523,100,000 403,200,000 $ 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
Maximum Borrowing Capacity $ 400,000,000     $ 400,000,000.0