Landfill and Environmental Remediation Liabilities (Tables)

9 Months Ended

Sep. 30, 2023

Landfill and Environmental Remediation Liabilities

Liabilities for Landfill and Environmental Remediation Costs

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

	September 30, 2023						December 31, 2022
			Environmental						Environmental
	Landfill		Remediation		Total		Landfill		Remediation		Total
Current (in accrued liabilities)	$	142	$	32	$	174	$	137	$	31	$	168
Long-term		2,574		153		2,727		2,527		173		2,700
	$	2,716	$	185	$	2,901	$	2,664	$	204	$	2,868

Changes to Landfill and Environmental Remediation Liabilities

The changes to landfill and environmental remediation liabilities for the nine months ended September 30, 2023 are reflected in the table below (in millions):

			Environmental
	Landfill		Remediation
December 31, 2022	$	2,664	$	204
Obligations incurred and capitalized		61		—
Obligations settled		(106)		(20)
Interest accretion		92		5
Revisions in estimates and interest rate assumptions		5		(4)
Acquisitions, divestitures and other adjustments		—		—
September 30, 2023	$	2,716	$	185