Landfill and Environmental Remediation Liabilities (Tables)

6 Months Ended

Jun. 30, 2017

Liabilities for Landfill and Environmental Remediation Costs

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


	June 30, 2017						December 31, 2016
	Landfill		Environmental Remediation		Total		Landfill		Environmental Remediation		Total
Current (in accrued liabilities)	$	138	$	26	$	164	$	119	$	28	$	147
Long-term		1,493		219		1,712		1,457		218		1,675

	$	1,631	$	245	$	1,876	$	1,576	$	246	$	1,822

Changes to Landfill and Environmental Remediation Liabilities

The changes to landfill and environmental remediation liabilities for the six months ended June 30, 2017 are reflected in the table below (in millions):


	Landfill			Environmental Remediation
December 31, 2016	$	1,576		$	246
Obligations incurred and capitalized		33			—
Obligations settled		(38	)		(10	)
Interest accretion		45			2
Revisions in estimates and interest rate assumptions		13			7
Acquisitions, divestitures and other adjustments		2			—

June 30, 2017	$	1,631		$	245