Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2016

Cash Flow Information [Abstract]

Cash Flow Information

Note 16—Cash Flow Information
	Millions of Dollars
	Three Months Ended
	March 31
		2016	2015
Cash Payments (Receipts)
Interest	$	244	197
Income taxes*		133	(253)
*Net of $556 million in 2015 related to a refund received from the Internal Revenue Service for 2014 overpaid taxes.