Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Other (Details)

v3.3.0.814
Long-Term Debt - Other (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
May. 31, 2013
Debt Instrument [Line Items]          
Interest Costs Incurred $ 185.2 $ 154.8 $ 520.1 $ 423.8  
Interest Costs Capitalized 135.8 $ 107.9 377.7 $ 292.8  
CTPL [Member] | CTPL Term Loan [Member]          
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity $ 400.0   $ 400.0   $ 400.0