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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Cash flows from operating activities:    
Consolidated net income $ 1,101 $ 772
Adjustments to reconcile consolidated net income to net cash provided by operating activities:    
Depreciation and amortization 990 972
Deferred income tax expense (benefit) (64) (67)
Interest accretion on landfill and environmental remediation liabilities 55 53
Provision for bad debts 24 17
Equity-based compensation expense 51 45
Net gain on disposal of assets (10) (12)
(Gain) loss from divestitures, asset impairments and other, net 17 17
Equity in net losses of unconsolidated entities, net of dividends 32 22
Loss on early extinguishment of debt   220
Change in operating assets and liabilities, net of effects of acquisitions and divestitures:    
Receivables (88) (24)
Other current assets (26) (22)
Other assets 36 9
Accounts payable and accrued liabilities 250 213
Deferred revenues and other liabilities (63) (52)
Net cash provided by operating activities 2,305 2,163
Cash flows from investing activities:    
Acquisitions of businesses, net of cash acquired (10) (10)
Capital expenditures (968) (666)
Proceeds from divestitures of businesses and other assets, net of cash divested 11 17
Other, net (133) (49)
Net cash used in investing activities (1,100) (708)
Cash flows from financing activities:    
New borrowings 5,360 1,707
Debt repayments (4,683) (2,326)
Premiums and other paid on early extinguishment of debt   (211)
Common stock repurchase program (520) (500)
Cash dividends (544) (489)
Exercise of common stock options 21 41
Tax payments associated with equity-based compensation transactions (35) (28)
Other, net (6) (4)
Net cash used in financing activities (407) (1,810)
Effect of exchange rate changes on cash, cash equivalents and restricted cash and cash equivalents 1 4
Increase (decrease) in cash, cash equivalents and restricted cash and cash equivalents 799 (351)
Cash, cash equivalents and restricted cash and cash equivalents at beginning of period 194 648
Cash, cash equivalents and restricted cash and cash equivalents at end of period $ 993 $ 297