Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2013

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):



	Nine Months Ended September 30,
	2013			2012
Decrease (increase) in current assets:
Receivables, net	$	(1,135	)	$	1,133
Inventories	(1,335		)	(116		)
Income taxes receivable	(122		)	172
Prepaid expenses and other	8			(25		)
Increase (decrease) in current liabilities:
Accounts payable	2,031			(150		)
Accrued expenses	51			10
Taxes other than income taxes	276			55
Income taxes payable	(5		)	112
Changes in current assets and current liabilities	$	(231	)	$	1,191

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



	Nine Months Ended September 30,
	2013		2012
Interest paid in excess of amount capitalized	$	237	$	206
Income taxes paid, net	347		238