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Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2016

Supplemental Cash Flow Information [Abstract]

Cash Flow Information

	Millions of Dollars
	2016				2015			2014
Cash Payments (Receipts)
Interest	$	311			275			238
Income taxes*	(375		)		1,560			2,185

*2016 reflects a net cash refund position; cash payments for income taxes were $385 million.

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