Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2014

Supplemental Cash Flow Elements

Supplemental Cash Flow Information

(Millions)	2014		2013		2012
Cash income tax payments, net of refunds	$	1,968	$	1,803	$	1,717
Cash interest payments		178		169		166
Capitalized interest		15		21		23