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Inventories

6 Months Ended

Jun. 30, 2011


4.	INVENTORIES

Inventories consisted of the following (in millions):



	June 30, 2011		December 31, 2010
Refinery feedstocks	$	2,188	$	2,225
Refined products and blendstocks	1,314		2,233
Ethanol feedstocks and products	182		201
Convenience store merchandise	109		101
Materials and supplies	195		187
Inventories	$	3,988	$	4,947

As of June 30, 2011 and December 31, 2010, the replacement cost (market value) of LIFO inventories exceeded their LIFO carrying amounts by approximately $7.9 billion and $6.1 billion, respectively.

- 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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