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	$ 3,097	$ 2,079
Adjustments to reconcile consolidated net income to net cash flows from operating activities:
Depreciation and amortization	4,534	4,795
Stock compensation expense	251	234
Noncash interest income, net	(7)	(15)
Deferred income taxes	115	371
Other, net	(153)	124
Changes in operating assets and liabilities, net of effects from acquisitions and dispositions:
Accounts receivable	(200)	(44)
Prepaid expenses and other assets	(133)	(113)
Accounts payable, accrued liabilities and other	(123)	319
Net cash flows from operating activities	7,381	7,750
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(4,050)	(3,702)
Change in accrued expenses related to capital expenditures	128	(125)
Other, net	(160)	(145)
Net cash flows from investing activities	(4,082)	(3,972)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	16,631	10,958
Repayments of long-term debt	(11,947)	(5,759)
Payments for debt issuance costs	(57)	(58)
Purchase of treasury stock	(7,020)	(7,168)
Proceeds from exercise of stock options	5	26
Purchase of noncontrolling interest	(994)	(1,090)
Distributions to noncontrolling interest	(7)	(71)
Other, net	(28)	94
Net cash flows from financing activities	(3,417)	(3,068)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(118)	710
CASH AND CASH EQUIVALENTS, beginning of period	601	1,001
CASH AND CASH EQUIVALENTS, end of period	483	1,711
CASH PAID FOR INTEREST	2,150	1,996
CASH PAID FOR TAXES	$ 470	$ 69