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Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consisted of the following (in millions):

	March 31, 2013				December 31, 2012
Refinery feedstocks	$	2,580			$	2,458
Refined products and blendstocks	3,832				2,995
Ethanol feedstocks and products	190				191
Convenience store merchandise	111				112
Materials and supplies	224				217
Inventories	$	6,937			$	5,973

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- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 2

-Paragraph 6

-Subparagraph a,b,c

-Article 5

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