Six months ended June 30, | Years Ended December 31, | ||||||||||||||||||||||||||
2018 | 2017 | 2017 | 2016 | 2015 | 2014 | 2013 | |||||||||||||||||||||
Earnings | |||||||||||||||||||||||||||
(Loss) income from continuing operations before income taxes | $ | (40 | ) | $ | (55 | ) | $ | (203 | ) | $ | (26 | ) | $ | (4,326 | ) | $ | 1,159 | $ | 8 | ||||||||
Loss from equity investees | — | — | — | — | — | — | 12 | ||||||||||||||||||||
(Loss) income before income taxes before adjustment for loss from equity investees | (40 | ) | (55 | ) | (203 | ) | (26 | ) | (4,326 | ) | 1,159 | 20 | |||||||||||||||
Fixed charges | 177 | 167 | 331 | 318 | 346 | 341 | 375 | ||||||||||||||||||||
Distributed income of equity investees | — | — | — | — | — | — | 24 | ||||||||||||||||||||
Capitalized interest | (3 | ) | (2 | ) | (4 | ) | (4 | ) | (14 | ) | (21 | ) | (19 | ) | |||||||||||||
Total earnings available for fixed charges | $ | 134 | $ | 110 | $ | 124 | $ | 288 | $ | (3,994 | ) | $ | 1,479 | $ | 400 | ||||||||||||
Fixed charges | |||||||||||||||||||||||||||
Interest and debt expense | $ | 176 | $ | 167 | $ | 330 | $ | 316 | $ | 344 | $ | 339 | $ | 373 | |||||||||||||
Interest component of rent | 1 | — | 1 | 2 | 2 | 2 | 2 | ||||||||||||||||||||
Total fixed charges | $ | 177 | $ | 167 | $ | 331 | $ | 318 | $ | 346 | $ | 341 | $ | 375 | |||||||||||||
Ratio of earnings to fixed charges(1) | — | — | — | — | — | 4.35x | 1.07x | ||||||||||||||||||||
(1) | Earnings for the six months ended June 30, 2018 and 2017 were inadequate to cover fixed charges by $43 million and $57 million, respectively. Earnings for the years ended December 31, 2017 and 2016 were inadequate to cover fixed charges by $207 million and $30 million, respectively. Earnings for the year ended December 31, 2015 were inadequate to cover fixed charges by $4,340 million, primarily due to non-cash impairment charges of approximately $4.3 billion associated with proved and unproved oil and natural gas properties related to a decline in commodity prices. |