Year Ended December 31, | ||||||||||||||||
2016 | 2015 | 2014 | 2013 | 2012 | ||||||||||||
Earnings: | ||||||||||||||||
Income before income taxes | $ | 5,136 | $ | 7,342 | $ | 4,637 | $ | 6,674 | $ | 974 | ||||||
Add: Interest expense | 381 | 341 | 353 | 380 | 393 | |||||||||||
Add: Interest factor in rental expense | 229 | 223 | 225 | 192 | 206 | |||||||||||
Total earnings | $ | 5,746 | $ | 7,906 | $ | 5,215 | $ | 7,246 | $ | 1,573 | ||||||
Fixed charges: | ||||||||||||||||
Interest expense | $ | 381 | $ | 341 | $ | 353 | $ | 380 | $ | 393 | ||||||
Interest capitalized | 14 | 13 | 11 | 14 | 18 | |||||||||||
Interest factor in rental expense | 229 | 223 | 225 | 192 | 206 | |||||||||||
Total fixed charges | $ | 624 | $ | 577 | $ | 589 | $ | 586 | $ | 617 | ||||||
Ratio of earnings to fixed charges | 9.2 | 13.7 | 8.9 | 12.4 | 2.5 | |||||||||||