CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income	$ 5,261	$ 5,849	$ 5,320
Adjustments to reconcile consolidated net income to net cash flows from operating activities:
Depreciation and amortization	8,696	8,903	9,345
Stock compensation expense	692	470	430
Noncash interest, net	20	(17)	(23)
Deferred income taxes	(80)	87	826
Other, net	291	29	181
Changes in operating assets and liabilities, net of effects from acquisitions and dispositions:
Accounts receivable	(44)	(342)	(35)
Prepaid expenses and other assets	(572)	(202)	(167)
Accounts payable, accrued liabilities and other	169	148	362
Net cash flows from operating activities	14,433	14,925	16,239
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(11,115)	(9,376)	(7,635)
Change in accrued expenses related to capital expenditures	172	553	80
Other, net	(184)	(291)	(199)
Net cash flows from investing activities	(11,127)	(9,114)	(7,754)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	22,062	25,643	20,976
Repayments of long-term debt	(21,938)	(19,311)	(12,146)
Payments for debt issuance costs	(32)	(71)	(102)
Purchase of treasury stock	(3,215)	(10,277)	(15,431)
Proceeds from exercise of stock options	22	5	44
Purchase of noncontrolling interest	(427)	(1,602)	(2,234)
Distributions to noncontrolling interest	(158)	(111)	(75)
Other, net	444	(43)	83
Net cash flows from financing activities	(3,242)	(5,767)	(8,885)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	64	44	(400)
CASH AND CASH EQUIVALENTS, beginning of period	645	601	1,001
CASH AND CASH EQUIVALENTS, end of period	709	645	601
CASH PAID FOR INTEREST	5,020	4,509	4,043
CASH PAID FOR TAXES	$ 1,470	$ 1,321	$ 157