Consolidated Statement of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
OPERATING ACTIVITIES:
Net income (loss)	$ 2,117	$ 1,562	$ 198
Adjustments to reconcile to net cash provided (used) by operating activities:
Depreciation and amortization	2,009	1,842	1,721
Provision (benefit) for deferred income taxes	431	509	108
Equity (earnings) losses	(637)	(608)	(328)
Distributions from equity-method investees (Note 8)	865	757	653
Impairment of goodwill (Note 15)	0	0	187
Impairment of equity-method investments (Note 15)	0	0	1,046
Impairment of certain assets (Note 15)	0	2	182
Net unrealized (gain) loss from derivative instruments	249	109	0
Inventory write-downs	161	15	17
Amortization of stock-based awards	73	81	52
Cash provided (used) by changes in current assets and liabilities:
Accounts receivable	(733)	(545)	(2)
Inventories	(110)	(139)	(28)
Other current assets and deferred charges	(33)	(63)	11
Accounts payable	410	643	(7)
Accrued and other current liabilities	209	58	(309)
Changes in current and noncurrent derivative assets and liabilities	94	(277)	(4)
Other, including changes in noncurrent assets and liabilities	(216)	(1)	(1)
Net cash provided (used) by operating activities	4,889	3,945	3,496
FINANCING ACTIVITIES:
Proceeds from (payments of) commercial paper – net	345	0	0
Proceeds from long-term debt	1,755	2,155	3,899
Payments of long-term debt	(2,876)	(894)	(3,841)
Proceeds from issuance of common stock	54	9	9
Common dividends paid	(2,071)	(1,992)	(1,941)
Dividends and distributions paid to noncontrolling interests	(204)	(187)	(185)
Contributions from noncontrolling interests	18	9	7
Payments for debt issuance costs	(17)	(26)	(20)
Other – net	(46)	(16)	(13)
Net cash provided (used) by financing activities	(3,042)	(942)	(2,085)
INVESTING ACTIVITIES:
Capital expenditures (1)	(2,253)	(1,239)	(1,239)
Dispositions – net	(30)	(8)	(36)
Contributions in aid of construction	12	52	37
Purchases of businesses, net of cash acquired (Note 3)	(933)	(151)	0
Purchases of and contributions to equity-method investments (Note 8)	(166)	(115)	(325)
Other – net	(5)	(4)	5
Net cash provided (used) by investing activities	(3,375)	(1,465)	(1,558)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total	(1,528)	1,538	(147)
Cash and cash equivalents at beginning of year	1,680	142	289
Cash and cash equivalents at end of year	152	1,680	142
Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract]
(1) Increases to property, plant, and equipment	(2,394)	(1,305)	(1,160)
Changes in related accounts payable and accrued liabilities	141	66	(79)
Capital expenditures	$ (2,253)	$ (1,239)	$ (1,239)