Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2015

Supplemental Cash Flow Information [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information

	Year Ended December 31,
(In millions)	2015			2014			2013
Net cash used in operating activities:
Interest paid (net of amounts capitalized)	$	(325	)	$	(279	)	$	(289	)
Income taxes paid to taxing authorities (a)	(171		)	(1,679		)	(3,904		)
Net cash provided by (used in) financing activities:
Commercial paper, net:
Issuances	$	—		$	2,345		$	10,870
Repayments	—			(2,480		)	(10,935		)
Commercial paper, net	$	—		$	(135	)	$	(65	)
Noncash investing activities, related to continuing operations:
Asset retirement cost increase (decrease)	$	(85	)	$	151		$	290
Increase in capital expenditure accrual	—			335			6
Asset retirement obligations assumed by buyer	251			359			92

^(a)  Income taxes paid to taxing authorities includes $1,312 million and $2,270 million in 2014, and 2013 related to discontinued operations.