Nine Months Ended September 30, | Years Ended December 31, | |||||||||||||||||||||||
(in millions) | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | ||||||||||||||||||
Earnings as defined for fixed charges calculation | ||||||||||||||||||||||||
Add: | ||||||||||||||||||||||||
Pretax income (loss) from continuing operations | $ | 464 | $ | 581 | $ | (123 | ) | $ | 242 | $ | 441 | $ | 317 | |||||||||||
Fixed charges | 136 | 185 | 184 | 178 | 161 | 165 | ||||||||||||||||||
Total earnings | $ | 600 | $ | 766 | $ | 61 | $ | 420 | $ | 602 | $ | 482 | ||||||||||||
Fixed charges: | ||||||||||||||||||||||||
Interest on debt, including capitalized portions | $ | 131 | $ | 179 | $ | 178 | $ | 171 | $ | 154 | $ | 157 | ||||||||||||
Estimate of interest within rental expense | 5 | 6 | 6 | 7 | 7 | 8 | ||||||||||||||||||
Total fixed charges | $ | 136 | $ | 185 | $ | 184 | $ | 178 | $ | 161 | $ | 165 | ||||||||||||
Ratio of earnings to fixed charges | 4.4 | 4.1 | 0.3 | (a) | 2.4 | 3.7 | 2.9 |
(a) | Earnings insufficient to cover fixed charges by approximately $123 million during the year ended December 31, 2012 due primarily to a non-cash impairment charge. |