Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2016

Supplemental Cash Flow Information [Abstract]

Schedule of cash flows, supplemental disclosures

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,
	2016			2015
Decrease (increase) in current assets:
Receivables, net	$	(278	)	$	1,093
Inventories	557			(45		)
Income taxes receivable	165			88
Prepaid expenses and other	(28		)	(11		)
Increase (decrease) in current liabilities:
Accounts payable	494			(1,007		)
Accrued expenses	46			(5		)
Taxes other than income taxes	8			(50		)
Income taxes payable	(11		)	(17		)
Changes in current assets and current liabilities	$	953		$	46

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

	Nine Months Ended September 30,
	2016		2015
Interest paid in excess of amount capitalized	$	312	$	301
Income taxes paid, net	305		1,532