Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2017

Supplemental Cash Flow Information [Abstract]

Schedule of cash flows, supplemental disclosures

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

	Three Months Ended March 31,
	2017		2016
Interest paid in excess of amount capitalized	$	128	$	95
Income taxes paid, net	96		95

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):

	Three Months Ended March 31,
	2017			2016
Decrease (increase) in current assets:
Receivables, net	$	817		$	(47	)
Inventories	(291		)	147
Income taxes receivable	41			45
Prepaid expenses and other	12			(126		)
Increase (decrease) in current liabilities:
Accounts payable	(306		)	108
Accrued expenses	20			(137		)
Taxes other than income taxes	(123		)	(113		)
Income taxes payable	(19		)	(54		)
Changes in current assets and current liabilities	$	151		$	(177	)