v3.25.0.1
Summary of Significant Accounting Policies (Narrative) (Details)
12 Months Ended
Dec. 31, 2024
USD ($)
reportingUnit
segment
landfill
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Concentration Risk [Line Items]      
Net book credit balances in our primary disbursement accounts $ 121,000,000 $ 148,000,000  
Restricted cash and marketable securities 208,000,000 164,000,000 $ 128,000,000
Insurance 149,000,000 121,000,000  
Capitalized interest $ 11,000,000 $ 8,000,000 $ 5,000,000
Post-closure period 30 years    
Number of closed landfills | landfill 125    
Asset retirement obligation, costs to discharge, inflation rate 2.00% 2.00% 2.00%
Years of historical moving average increase of the U.S. Consumer Price Index used as our basis for inflation rate 20 years 10 years 10 years
Number of operating segments | segment 3    
Number of reporting units | reportingUnit 3    
Goodwill impairment losses $ 0 $ 0 $ 0
Impairment losses for long-lived assets $ 0 $ 0 $ 0
Minimum      
Concentration Risk [Line Items]      
Amortization period for other intangible assets 1 year    
Maximum      
Concentration Risk [Line Items]      
Amortization period for other intangible assets 15 years