Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2011

Supplemental Cash Flow Information [Abstract]

Changes in current assets and current liabilities

In order to determine net cash provided by operating activities, net income is adjusted by, among other things, changes in current assets and current liabilities as follows (in millions):



	Six Months Ended June 30,
	2011			2010
Decrease (increase) in current assets:
Receivables, net	$	(1,422	)	$	(394	)
Inventories	978			102
Income taxes receivable	175			808
Prepaid expenses and other	(3		)	124
Increase (decrease) in current liabilities:
Accounts payable	1,147			122
Accrued expenses	202			(145		)
Taxes other than income taxes	(52		)	(151		)
Income taxes payable	122			147
Changes in current assets and current liabilities	$	1,147		$	613

Cash flows related to interest and income taxes were as follows (in millions):



	Six Months Ended June 30,
	2011			2010
Interest paid in excess of amount capitalized	$	221		$	225
Income taxes paid, net	(10		)	(797		)

Cash flows related to the discontinued operations of the Paulsboro and Delaware City Refineries have been combined with the cash flows from continuing operations within each category in the consolidated statement of cash flows for the six months ended June 30, 2010 and are summarized as follows (in millions):



Cash provided by (used in) operating activities:
Paulsboro Refinery	$	32
Delaware City Refinery	(76		)
Cash used in investing activities:
Paulsboro Refinery	(28		)
Delaware City Refinery	—