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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):

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.