Consolidated Statement of Cash Flows - Williams - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
OPERATING ACTIVITIES:
Net income (loss)	$ 2,346	$ 3,303	$ 2,117
Adjustments to reconcile to net cash provided (used) by operating activities:
Depreciation and amortization	2,219	2,071	2,009
Provision (benefit) for deferred income taxes	506	951	431
Equity (earnings) losses	(560)	(589)	(637)
Distributions from equity-method investees (Note 8)	789	796	865
Net unrealized (gain) loss from commodity derivative instruments	367	(660)	249
Gain on sale of business (Note 3)	0	(129)	0
Gain on disposition of equity-method investments (Note 8)	(149)	0	0
Gain on remeasurement of equity-method investments (Note 3)	(127)	(30)	0
Inventory write-downs	10	30	161
Amortization of stock-based awards	99	77	73
Cash provided (used) by changes in current assets and liabilities:
Accounts receivable	(169)	1,089	(733)
Inventories	(9)	13	(110)
Other current assets and deferred charges	9	60	(33)
Accounts payable	139	(1,009)	410
Other current liabilities	35	(19)	209
Changes in current and noncurrent commodity derivative assets and liabilities	(286)	200	94
Other, including changes in noncurrent assets and liabilities	(245)	(216)	(216)
Net cash provided (used) by operating activities	4,974	5,938	4,889
FINANCING ACTIVITIES:
Proceeds from (payments of) commercial paper – net	(269)	372	345
Proceeds from long-term debt	3,594	2,755	1,755
Payments of long-term debt	(2,946)	(634)	(2,876)
Payments for debt issuance costs	(32)	(23)	(17)
Proceeds from issuance of common stock	10	6	54
Purchases of treasury stock	0	(130)	(9)
Common dividends paid	(2,316)	(2,179)	(2,071)
Dividends and distributions paid to noncontrolling interests	(242)	(213)	(204)
Contributions from noncontrolling interests	36	18	18
Other – net	(36)	(21)	(37)
Net cash provided (used) by financing activities	(2,201)	(49)	(3,042)
INVESTING ACTIVITIES:
Capital expenditures (1)	(2,573)	(2,516)	(2,253)
Dispositions – net	(105)	(51)	(30)
Proceeds from sale of business (Note 3)	0	346	0
Purchases of businesses, net of cash acquired (Note 3)	(2,244)	(1,568)	(933)
Proceeds from dispositions of equity-method investments (Note 8)	161	0	0
Purchases of and contributions to equity-method investments (Note 8)	(114)	(141)	(166)
Other – net	12	39	7
Net cash provided (used) by investing activities	(4,863)	(3,891)	(3,375)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total	(2,090)	1,998	(1,528)
Cash and cash equivalents at beginning of year	2,150	152	1,680
Cash and cash equivalents at end of year	60	2,150	152
Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract]
(1)  Increases to property, plant, and equipment	(2,581)	(2,564)	(2,394)
Changes in related accounts payable and accrued liabilities	8	48	141
Capital expenditures	$ (2,573)	$ (2,516)	$ (2,253)