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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:    
Consolidated net income $ 4,464 $ 3,486
Adjustments to reconcile consolidated net income to net cash flows from operating activities:    
Depreciation and amortization 6,711 7,065
Stock compensation expense 360 332
Noncash interest income, net (12) (20)
Deferred income taxes 165 668
Other, net (113) 279
Changes in operating assets and liabilities, net of effects from acquisitions and dispositions:    
Accounts receivable (262) (106)
Prepaid expenses and other assets (96) (127)
Accounts payable, accrued liabilities and other (79) 436
Net cash flows from operating activities 11,138 12,013
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of property, plant and equipment (6,456) (5,563)
Change in accrued expenses related to capital expenditures 284 (51)
Other, net (174) (148)
Net cash flows from investing activities (6,346) (5,762)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Borrowings of long-term debt 21,528 15,263
Repayments of long-term debt (15,659) (9,651)
Payments for debt issuance costs (71) (76)
Purchase of treasury stock (9,245) (10,834)
Proceeds from exercise of stock options 5 43
Purchase of noncontrolling interest (1,379) (1,500)
Distributions to noncontrolling interest (56) (71)
Other, net (36) 40
Net cash flows from financing activities (4,913) (6,786)
NET DECREASE IN CASH AND CASH EQUIVALENTS (121) (535)
CASH AND CASH EQUIVALENTS, beginning of period 601 1,001
CASH AND CASH EQUIVALENTS, end of period 480 466
CASH PAID FOR INTEREST 3,251 3,038
CASH PAID FOR TAXES $ 882 $ 99