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Inventories	12 Months Ended
Inventories	Dec. 31, 2014
Inventory Disclosure [Abstract]
Inventories	Note 4 – Inventories Inventory costs are determined using the LIFO method for substantially all U.S. inventories. The current cost of this inventory under the FIFO method was $432,906 and $419,977 at December 31, 2013 and 2014, respectively. These FIFO values have been reduced by approximately $161,436 and $126,231 at December 31, 2013 and 2014, respectively, to arrive at the LIFO value reported on the Consolidated Balance Sheets. The remaining inventories have been valued under the FIFO or average cost method. All inventories are stated at the lower of cost or market.

The entire disclosure for inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income.

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