Inventories

6 Months Ended

Jun. 30, 2013

Note 5—Inventories

Inventories consisted of the following:

	Millions of Dollars
	June 30		December 31
		2013	2012

Crude oil and petroleum products	$	392	244
Materials, supplies and other		742	721
	$	1,134	965

Inventories valued on the last-in, first-out (LIFO) basis totaled $252 million and $147 million at June 30, 2013, and December 31, 2012, respectively. The estimated excess of current replacement cost over LIFO cost of inventories was approximately $168 million at June 30, 2013, and $200 million at December 31, 2012.

- Definition

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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