Landfill and Environmental Remediation Liabilities (Tables)

6 Months Ended

Jun. 30, 2014

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Liabilities for Landfill and Environmental Remediation Costs

Liabilities for landfill and environmental remediation costs are presented in the table below (in millions):

	June 30, 2014						December 31, 2013
	Landfill		Environmental Remediation		Total		Landfill		Environmental Remediation		Total
Current (in accrued liabilities)	$	92	$	35	$	127	$	95	$	35	$	130
Long-term		1,352		188		1,540		1,326		192		1,518
	$	1,444	$	223	$	1,667	$	1,421	$	227	$	1,648

Changes to Landfill and Environmental Remediation Liabilities

The changes to landfill and environmental remediation liabilities are reflected in the table below (in millions):

	Landfill			Environmental Remediation
December 31, 2012	$	1,338		$	253
Obligations incurred and capitalized		59			—
Obligations settled		(71	)		(20	)
Interest accretion		87			4
Revisions in estimates and interest rate assumptions		6			(6	)
Acquisitions, divestitures and other adjustments		2			(4	)
December 31, 2013		1,421			227
Obligations incurred and capitalized		26			—
Obligations settled		(23	)		(9	)
Interest accretion		43			3
Revisions in estimates and interest rate assumptions		(6	)		2
Acquisitions, divestitures and other adjustments		(17	)		—
June 30, 2014	$	1,444		$	223