Consolidated Statement of Income - Williams - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues:
Revenues	$ 10,503	$ 10,907	$ 10,965
Costs and expenses:
Operating and maintenance expenses	2,179	1,984	1,817
Depreciation and amortization expenses	2,219	2,071	2,009
Selling, general, and administrative expenses	708	665	636
Gain on sale of business (Note 3)	0	(129)	0
Other (income) expense – net	(60)	(30)	28
Total costs and expenses	7,164	6,596	7,947
Operating income (loss)	3,339	4,311	3,018
Equity earnings (losses)	560	589	637
Other investing income (loss) – net	343	108	16
Interest Expense, Nonoperating	(1,364)	(1,236)	(1,147)
Gain (Loss) Related to Litigation Settlement	0	534	0
Other income (expense) – net	108	99	18
Income (loss) before income taxes	2,986	4,405	2,542
Less: Provision (benefit) for income taxes	640	1,005	425
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	2,346	3,400	2,117
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	(97)	0
Net income (loss)	2,346	3,303	2,117
Less: Net income (loss) attributable to noncontrolling interests	121	124	68
Net income (loss) attributable to The Williams Companies, Inc.	2,225	3,179	2,049
Less: Preferred stock dividends	3	3	3
Net income (loss) available to common stockholders	2,222	3,176	2,046
Amounts attributable to The Williams Companies, Inc. available to common stockholders:
Income (loss) from continuing operations	2,222	3,273	2,046
Income (loss) from discontinued operations (Note 1)	$ 0	$ (97)	$ 0
Basic earnings (loss) per common share:
Income (Loss) from Continuing Operations, Per Basic Share	$ 1.82	$ 2.69	$ 1.68
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	0	(0.08)	0
Net income (loss) available to common stockholders - Basic	$ 1.82	$ 2.61	$ 1.68
Weighted Average Number of Shares Outstanding, Basic	1,219,184	1,217,784	1,218,362
Diluted earnings (loss) per common share:
Income (Loss) from Continuing Operations, Per Diluted Share	$ 1.82	$ 2.68	$ 1.67
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	0	(0.08)	0
Net income (loss) available to common stockholders - Diluted	$ 1.82	$ 2.60	$ 1.67
Weighted Average Number of Shares Outstanding, Diluted	1,222,954	1,222,715	1,222,672
Service [Member]
Revenues:
Revenues	$ 7,628	$ 7,026	$ 6,536
NonRegulated Service Commodity Consideration [Member]
Revenues:
Revenues	134	146	260
Product [Member]
Revenues:
Revenues	2,991	2,779	4,556
Energy Commodities and Service
Revenues:
Revenues	(250)	956	(387)
Oil and Gas, Purchased [Member]
Costs and expenses:
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization	2,075	1,884	3,369
Natural Gas Purchased For Shrink [Member]
Costs and expenses:
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization	$ 43	$ 151	$ 88