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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Cash flows from operating activities:    
Consolidated net income $ 1,311 $ 1,058
Adjustments to reconcile consolidated net income to net cash provided by operating activities:    
Depreciation and amortization 1,489 1,235
Deferred income tax (benefit) expense (91) 61
Interest accretion on landfill and environmental remediation liabilities 82 75
Provision for bad debts 28 40
Equity-based compensation expense 81 74
Net gain on disposal of assets (16) (10)
(Gain) loss from divestitures, asset impairments and other, net (17) 76
Equity in net losses of unconsolidated entities, net of dividends 36 48
Loss on early extinguishment of debt 220 52
Change in operating assets and liabilities, net of effects of acquisitions and divestitures:    
Receivables (56) 76
Other current assets (35) (47)
Other assets 32 41
Accounts payable and accrued liabilities 389 (62)
Deferred revenues and other liabilities (106) (67)
Net cash provided by operating activities 3,347 2,650
Cash flows from investing activities:    
Acquisitions of businesses, net of cash acquired (11) (3)
Capital expenditures (1,130) (1,238)
Proceeds from divestitures of businesses and other assets, net of cash divested 70 20
Other, net (35) (20)
Net cash used in investing activities (1,106) (1,241)
Cash flows from financing activities:    
New borrowings 6,428 2,650
Debt repayments (7,237) (5,764)
Premiums and other paid on early extinguishment of debt (211) (30)
Common stock repurchase program (1,000) (402)
Cash dividends (730) (696)
Exercise of common stock options 60 49
Tax payments associated with equity-based compensation transactions (28) (34)
Other, net 32 (17)
Net cash used in financing activities (2,686) (4,244)
Effect of exchange rate changes on cash, cash equivalents and restricted cash and cash equivalents 2 1
Decrease in cash, cash equivalents and restricted cash and cash equivalents (443) (2,834)
Cash, cash equivalents and restricted cash and cash equivalents at beginning of period 648 3,647
Cash, cash equivalents and restricted cash and cash equivalents at end of period $ 205 $ 813