PTOI to income from continuing operations before income taxes | 2013 | 2012 | 2011 | ||||||
Total segment PTOI | $ | 5,369 | $ | 5,369 | $ | 5,881 | |||
Non-operating pension and other postretirement employee benefit costs | (539 | ) | (654 | ) | (540 | ) | |||
Net exchange losses, including affiliates | (128 | ) | (215 | ) | (146 | ) | |||
Corporate expenses | (765 | ) | (948 | ) | (869 | ) | |||
Interest expense | (448 | ) | (464 | ) | (447 | ) | |||
Income from continuing operations before income taxes | $ | 3,489 | $ | 3,088 | $ | 3,879 | |||