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Landfill and Environmental Remediation Liabilities
12 Months Ended
Dec. 31, 2023
Landfill and Environmental Remediation Liabilities  
Landfill and Environmental Remediation Liabilities

3.    Landfill and Environmental Remediation Liabilities

Liabilities for landfill and environmental remediation costs as of December 31 are presented in the table below (in millions):

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

2023

​

2022

​

​

​

​

​

Environmental

​

​

​

​

​

​

​

Environmental

​

​

​

​

    

Landfill

    

Remediation

    

Total

    

Landfill

    

Remediation

    

Total

Current (in accrued liabilities)

 

$

143

​

$

31

​

$

174

​

$

137

​

$

31

​

$

168

Long-term

​

 

2,710

​

 

178

​

 

2,888

  

 

2,527

​

 

173

​

 

2,700

​

 

$

2,853

​

$

209

​

$

3,062

​

$

2,664

​

$

204

​

$

2,868

​

The changes to landfill and environmental remediation liabilities for the year ended December 31, 2023 are reflected in the table below (in millions):

​

​

​

​

​

​

​

​

​

​

​

​

Environmental

​

    

Landfill

    

Remediation

December 31, 2022

​

$

2,664

​

$

204

Obligations incurred and capitalized

​

 

79

  

 

—

Obligations settled

​

 

(147)

  

 

(27)

Interest accretion

​

 

124

  

 

6

Revisions in estimates and interest rate assumptions

​

 

131

  

 

26

Acquisitions, divestitures and other adjustments

​

 

2

  

 

—

December 31, 2023

​

$

2,853

​

$

209

​

Our recorded liabilities as of December 31, 2023 include the impacts of inflating certain of these costs based on our expectations of the timing of cash settlement.