v3.26.1
Business Acquisitions, Investments and Restructuring Charges - Acquisitions (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Purchase price:      
Cash used in acquisitions, net of cash acquired of $2 and $7, respectively $ 865 $ 963  
Excess purchase price allocated as follows:      
Goodwill 17,186   $ 16,715
Business Combination, Series of Individually Immaterial Business Combinations      
Purchase price:      
Cash used in acquisitions, net of cash acquired of $2 and $7, respectively 850 862  
Cash acquired 2 7  
Holdbacks 10 11  
Total 860 873  
Allocated as follows:      
Restricted cash 1 0  
Accounts receivable 12 27  
Property and equipment 287 136  
Other assets 4 21  
Accounts payable (3) (5)  
Accrued landfill and environmental costs (10) (12)  
Deferred income tax liabilities (4) (16)  
Other liabilities (7) (20)  
Fair value of tangible assets acquired and liabilities assumed 280 131  
Excess purchase price to be allocated 580 742  
Excess purchase price allocated as follows:      
Other intangible assets 101 110  
Goodwill 479 632  
Total allocated $ 580 $ 742