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Property and Equipment, Net
 12 Months Ended
Dec. 31, 2024
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net PROPERTY AND EQUIPMENT, NET
A summary of property and equipment, net as of December 31 follows:
20242023
Land$897 $878 
Landfill development costs10,518 9,911 
Vehicles and equipment10,998 10,232 
Buildings and improvements2,119 1,922 
Construction-in-progress – landfill
437 350 
Construction-in-progress – other
575 554 
$25,544 $23,847 
Less: accumulated depreciation, depletion and amortization
Landfill development costs$(6,031)$(5,516)
Vehicles and equipment(6,692)(6,148)
Buildings and improvements(944)(832)
(13,667)(12,496)
Property and equipment, net$11,877 $11,351 
Depreciation, depletion and amortization of property and equipment was $1,517 million, $1,368 million and $1,246 million for the years ended December 31, 2024, 2023 and 2022, respectively.