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Unaudited Consolidated Statements of Cash Flows - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Cash provided by operating activities:    
Net income $ 1,595 $ 1,531
Adjustments to reconcile net income to cash provided by operating activities:    
Depreciation, depletion, amortization and accretion 1,442 1,314
Non-cash interest expense 57 54
Stock-based compensation 33 31
Deferred tax provision 130 70
Provision for doubtful accounts, net of adjustments 27 20
Loss on extinguishment of debt 0 2
Loss on disposition of assets and asset impairments, net 0 6
Loss from unconsolidated equity method investments 72 116
Other non-cash items (6) (11)
Change in assets and liabilities, net of effects from business acquisitions and divestitures:    
Accounts receivable (78) (100)
Prepaid expenses and other assets (93) (59)
Accounts payable 23 (26)
Capping, closure and post-closure expenditures (38) (35)
Remediation expenditures (31) (45)
Other liabilities 182 22
Proceeds for retirement of certain hedging relationships 0 24
Cash provided by operating activities 3,315 2,914
Cash used in investing activities:    
Purchases of property and equipment (1,310) (1,357)
Proceeds from sales of property and equipment 10 9
Cash used in acquisitions and investments, net of cash and restricted cash acquired (1,259) (400)
Cash received from business divestitures 7 2
Purchases of restricted marketable securities (15) (18)
Sales of restricted marketable securities 13 16
Other (17) (1)
Cash used in investing activities (2,571) (1,749)
Cash used in financing activities:    
Proceeds from credit facilities and notes payable, net of fees 26,896 15,616
Proceeds from issuance of senior notes, net of discount and fees 1,183 889
Payments of credit facilities and notes payable (27,639) (16,835)
Issuances of common stock, net (10) (18)
Purchases of common stock for treasury (599) (321)
Cash dividends paid (544) (505)
Distributions paid to non-controlling interests in consolidated subsidiary (1) 0
Contingent consideration payments (9) (14)
Cash used in financing activities (723) (1,188)
Effect of foreign exchange rate changes on cash 1 1
Increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents 22 (22)
Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period 203 228
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period $ 225 $ 206