Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
OPERATING ACTIVITIES:
Net income (loss)	$ 1,451	$ 799
Adjustments to reconcile to net cash provided (used) by operating activities:
Depreciation and amortization	1,021	1,004
Provision (benefit) for deferred income taxes	427	90
Equity (earnings) losses	(307)	(299)
Distributions from equity-method investees	418	414
Net unrealized (gain) loss from derivative instruments	(410)	364
Inventory write-downs	23	12
Amortization of stock-based awards	40	36
Cash provided (used) by changes in current assets and liabilities:
Accounts receivable	1,423	(797)
Inventories	41	(11)
Other current assets and deferred charges	24	(15)
Accounts payable	(1,220)	690
Accrued and other current liabilities	(72)	(24)
Changes in current and noncurrent derivative assets and liabilities	119	49
Other, including changes in noncurrent assets and liabilities	(87)	(132)
Net cash provided (used) by operating activities	2,891	2,180
FINANCING ACTIVITIES:
Proceeds from (payments of) commercial paper – net	(352)	1,037
Proceeds from long-term debt	1,503	5
Payments of long-term debt	(14)	(2,012)
Proceeds from issuance of common stock	4	48
Purchases of treasury stock	(130)	0
Common dividends paid	(1,091)	(1,035)
Dividends and distributions paid to noncontrolling interests	(112)	(95)
Contributions from noncontrolling interests	18	8
Payments for debt issuance costs	(13)	0
Other – net	(17)	(31)
Net cash provided (used) by financing activities	(204)	(2,075)
INVESTING ACTIVITIES:
Capital expenditures (1)	(1,155)	(606)
Dispositions – net	(21)	(11)
Contributions in aid of construction	18	6
Purchases of businesses, net of cash acquired (Note 3)	(1,053)	(933)
Purchases of and contributions to equity-method investments	(69)	(100)
Other – net	(8)	(8)
Net cash provided (used) by investing activities	(2,288)	(1,652)
Increase (decrease) in cash and cash equivalents	399	(1,547)
Cash and cash equivalents at beginning of year	152	1,680
Cash and cash equivalents at end of period	551	133
Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract]
(1) Increases to property, plant, and equipment	(1,168)	(642)
Changes in related accounts payable and accrued liabilities	13	36
Capital expenditures	$ (1,155)	$ (606)