At December 31 | ||||||||
2013 | 2012 | |||||||
Deferred tax liabilities | ||||||||
Properties, plant and equipment | $ | 25,936 | $ | 24,295 | ||||
Investments and other | 2,272 | 2,276 | ||||||
Total deferred tax liabilities | 28,208 | 26,571 | ||||||
Deferred tax assets | ||||||||
Foreign tax credits | (11,572 | ) | (10,817 | ) | ||||
Abandonment/environmental reserves | (6,279 | ) | (5,728 | ) | ||||
Employee benefits | (3,825 | ) | (5,100 | ) | ||||
Deferred credits | (2,768 | ) | (2,891 | ) | ||||
Tax loss carryforwards | (1,016 | ) | (738 | ) | ||||
Other accrued liabilities | (533 | ) | (381 | ) | ||||
Inventory | (358 | ) | (281 | ) | ||||
Miscellaneous | (1,439 | ) | (1,835 | ) | ||||
Total deferred tax assets | (27,790 | ) | (27,771 | ) | ||||
Deferred tax assets valuation allowance | 17,171 | 15,443 | ||||||
Total deferred taxes, net | $ | 17,589 | $ | 14,243 | ||||