|
Condensed Consolidated Statements of Cash Flows (Parenthetical) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Condensed Consolidated Statements of Cash Flows | ||
| Interest capitalized | $ 11.5 | $ 21.1 |